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Medical Wikipedia

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17-beta-hydroxysteroid dehydrogenase deficiency
17q21.31 microdeletion syndrome
1p36 deletion syndrome
2-Hydroxyglutaric aciduria
2q37 monosomy
3 hydroxyisobutyric aciduria
3-hydroxy-3-methylglutaryl-CoA lyase deficiency
3-hydroxyacyl-coenzyme A dehydrogenase deficiency
3-M syndrome
3-Methylcrotonyl-CoA carboxylase deficiency
3-Methylglutaconic aciduria
3C syndrome
48, XXXX
49, XXXXX
49, XXXXY syndrome
5-alpha-reductase deficiency
6-Pyruvoyltetrahydropterin synthase deficiency
8p23.1 duplication syndrome
9q34 deletion syndrome
Aagenaes syndrome
Aarskog–Scott syndrome
Aase syndrome
Abasia
ABCD syndrome
Abdallat–Davis–Farrage syndrome
Abdominal adhesion
Abdominal aortic aneurysm
Abdominal cramps
Abdominal hernia
Abdominal migraine
Abdominal musculature absent with microphthalmia and joint laxity
Abdominal pain
Abdominal wall defect
Abdominoplasty
Aberrant subclavian artery
Ablation
Ablation of atrial fibrillation
Ablative brain surgery
Ablepharon macrostomia syndrome
Abortion
Abrasion
Abrasion (dental)
Abrasion (geology)
Abrasion (mechanical)
Abrasion (medical)
Abruzzo–Erickson syndrome
Abscess
Absence of gluteal muscle
Absence seizure
Abyssinian tea
Acanthocheilonemiasis
Acanthocyte
Acanthosis nigricans
Acatalasia
Accessory navicular bone
Accessory pancreas
Achalasia
Achard syndrome
Achard–Thiers syndrome
Ache
Acheiropodia
Achilles tendon
Achilles tendon rupture
Achondrogenesis
Achondrogenesis type 1B
Achondrogenesis type 2
Achondroplasia
Achondroplastic dwarfism
Achromatopsia
Acitretin
Ackerman syndrome
Acne aestivalis
Acne conglobata
Acne cosmetica
Acne fulminans
Acne keloidalis nuchae
Acne mechanica
Acne medicamentosa
Acne miliaris necrotica
Acne scars
Acne vulgaris
Acne with facial edema
Acneiform eruption
Acneiform rash
Acoustic neuroma
Acquired brain injury
Acquired Epileptic Aphasia (landau-kleffner syndrome)
Acrocallosal syndrome
Acrochordon
Acrocyanosis
Acrodermatitis
Acrodermatitis enteropathica
Acrodysostosis
Acrofrontofacionasal dysostosis
Acrogeria
Acrokeratoelastoidosis of Costa
Acromegaly
Acromicric dysplasia
Acropectoral syndrome
Acrophobia
Acrospiroma
Actinic keratosis
Actinism
Actinomycosis
Activated protein C resistance
Acupuncture
Acute (medicine)
Acute compartment syndrome
Acute hepatitis B
Acute intermittent porphyria
Acute kidney failure
Acute kidney injury
Acute lung injury
Acute lymphoblastic leukemia
Acute lymphocytic leukemia
Acute megakaryoblastic leukemia
Acute monocytic leukemia
Acute myeloblastic leukemia
Acute myeloblastic leukemia with maturation
Acute myeloblastic leukemia without maturation
Acute myeloid leukemia
Acute myeloid leukemia M7
Acute myelomonocytic leukemia
Acute necrotizing ulcerative gingivitis
Acute pancreatitis
Acute porphyria
Acute posterior multifocal placoid pigment epitheliopathy
Acute promyelocytic leukemia
Acute radiation syndrome
Acute respiratory distress syndrome
Acute tubular necrosis
Adams–Nance syndrome
Adams–Oliver syndrome
Addison's disease
Adducted thumb syndrome
Adenine phosphoribosyltransferase deficiency
Adenocarcinoma of the lung
Adenoid
Adenoid basal cell carcinoma
Adenoid cystic carcinoma
Adenoid hypertrophy
Adenoid seborrheic keratosis
Adenoid squamous-cell carcinoma
Adenoidectomy
Adenoiditis
Adenoids
Adenoma
Adenomatous polyposis coli
Adenomyosis
Adenosine
Adenosine deaminase deficiency
Adenosine Monophosphate Deaminase Deficiency type 1
Adenovirus infection
Adenylosuccinate lyase deficiency
Adhesion (medicine)
Adie syndrome
Adiposis dolorosa
Adiposogenital dystrophy
Adolescence
Adrenal gland
Adrenal gland disorder
Adrenal insufficiency
Adrenal tumor
Adrenocortical carcinoma
Adrenocortical hyperfunction
Adrenocorticotropic hormone deficiency
Adrenoleukodystrophy
Adult attention deficit hyperactivity disorder
Adult Brain Tumor
Adult stem cell
Adult-onset diabetes
Adult-onset Still's disease
Advanced sleep phase disorder
Aerosinusitis
Affordable Care Act
African iron overload
African trypanosomiasis
Afro-textured hair
Aganglionosis
Age spots
Age-related macular degeneration
Agenesis of the corpus callosum
Ageusia
Aggressive fibromatosis
Agnosia
Agoraphobia
Agranulocyte
Agranulocytosis
Agraphia
Agraphobia
Aicardi syndrome
Aicardi–Goutières syndrome
Aichmophobia
AIDS-related lymphoma
Ainhum
Airsickness
Airsickness bag
ALAD porphyria
Alagille syndrome
Alanine transaminase
Albinism
Albinism–deafness syndrome
Albright's hereditary osteodystrophy
Alcaptonuria
Alcohol abuse
Alcohol dependence
Alcohol dependence syndrome
Alcohol intoxication
Alcohol poisoning
Alcohol withdrawal syndrome
Alcohol-related dementia
Alcoholic hepatitis
Alcoholism
Aldolase A deficiency
Alice in Wonderland syndrome
Alkaptonuria
Allan–Herndon–Dudley syndrome
Allergen immunotherapy
Allergic asthma
Allergic bronchopulmonary aspergillosis
Allergic conjunctivitis
Allergic contact dermatitis
Allergic granulomatosis
Allergic purpura
Allergic reaction
Allergic reactions to anaesthesia
Allergic rhinitis
Allergy
Allergy shots
Alopecia areata
Alopecia areata totalis
Alopecia areata universalis
Alopecia contractures dwarfism mental retardation
Alopecia totalis
Alopecia universalis
Alpers' disease
Alpha 1-antitrypsin deficiency
Alpha-1 antitrypsin deficiency panniculitis
Alpha-1 proteinase inhibitor
Alpha-1 related emphysema
Alpha-fetoprotein
Alpha-galactosidase
Alpha-galactosidase A deficiency
Alpha-mannosidosis
Alpha-thalassemia
Alpha-thalassemia mental retardation syndrome
Alport syndrome
ALS
Alström syndrome
ALT test
Alternating hemiplegia
Alternating hemiplegia of childhood
Altitude sickness
Alveolar capillary dysplasia
Alveolar hydatid disease
Alveolar osteitis
Alveolar rhabdomyosarcoma
Alveolar soft part sarcoma
Alzheimer's disease
Amblyopia
Amelia (birth defect)
Amelogenesis
Amelogenesis imperfecta
Amenorrhoea
American trypanosomiasis
Amino acid
Aminolevulinic acid dehydratase deficiency porphyria
AML
Amnesia
Amnesic shellfish poisoning
Amniocentesis
Amniotic band constriction
Amniotic fluid
Amoebiasis
Amyloid
Amyloidosis
Amyloidosis, familial
Amyotrophic lateral sclerosis
Anal cancer
Anal fissure
Anal fistula
Anal itching
Anaphylactoid purpura
Anaphylaxis
Anaplasmosis
Anaplastic large-cell lymphoma
Anaplastic thyroid cancer
Androgen insensitivity syndrome
Anemia
Anencephaly
Aneurysm
Aneurysm of heart
Aneurysm of sinus of Valsalva
Angioedema
Angioimmunoblastic T-cell lymphoma
Angiolipoma
Angioma
Angiomatosis
Angiosarcoma
Angiostrongyliasis
Aniridia
Aniridia ataxia renal agenesis psychomotor retardation
Anisakis
Ankylosing spondylitis
Ankylosis
Annular pancreas
Annuloaortic ectasia
Anodontia
Anomic aphasia
Anonychia
Anophthalmia
Anorchia
Anorexia nervosa
Anorgasmia
Anotia
Anterior horn disease
Anterior segment mesenchymal dysgenesis
Anterograde amnesia
Anthrax
Anti-mitochondrial antibody
Anti-nuclear antibody
Antimitochondrial antibody
Antinuclear antibody
Antiphospholipid syndrome
Antisocial personality disorder
Antisynthetase syndrome
Antithrombin
Antley–Bixler syndrome
Anton–Babinski syndrome
Aortic aneurysm
Aortic dissection
Aortic valve stenosis
Aortic window
Apert syndrome
Aphalangia
Aphthous stomatitis
Aplasia
Aplasia cutis congenita
Aplastic anemia
Apparent mineralocorticoid excess syndrome
Appendicitis
Apraxia
Apudoma
Aqueductal stenosis
Arachnodactyly
Arachnoid cyst
Arachnoiditis
Arakawa's syndrome II
Arbovirus
Ardalan–Shoja–Kiuru syndrome
ARDS
AREDYLD syndrome
Argentine hemorrhagic fever
Argininemia
Argininosuccinic aciduria
Arnold–Chiari malformation
Aromatase deficiency
Aromatase excess syndrome
Arrhinia
Arrhythmogenic right ventricular dysplasia
Arsenic poisoning
Arterial tortuosity syndrome
Arteriovenous malformation
Arteritis
Arthritis
Arthrogryposis
Arthrogryposis–renal dysfunction–cholestasis syndrome
Ascariasis
Ascher's syndrome
Ascites
Aseptic meningitis
Asherman's syndrome
Ashman phenomenon
Aspartylglucosaminuria
Asperger syndrome
Aspergillosis
Asphyxiating thoracic dysplasia
Asplenia
Asplenia with cardiovascular anomalies
Astasia-abasia
Astasis
Asthma
Astigmatism (eye)
Astraphobia
Astrocytoma
Astrovirus
Asymmetric crying facies
Ataxia
Ataxia telangiectasia
Atelectasis
Atelosteogenesis, type II
Atherosclerosis
Athetosis
Athlete's foot
Atopic dermatitis
Atresia
Atrial myxoma
Atrial septal defect
Atrioventricular fistula
Atrioventricular septal defect
Atrophic vaginitis
Atrophoderma
Atrophy
Attention deficit hyperactivity disorder
Atypical pneumonia
Auditory brainstem response
Auditory processing disorder
Autism
Autoimmune hemolytic anemia
Autoimmune hepatitis
Autoimmune polyendocrine syndrome
Autoimmune polyendocrine syndrome type 1
Autoimmune polyendocrine syndrome type 2
Autosomal dominant polycystic kidney
Autosomal recessive polycystic kidney
Avascular necrosis
Avoidant personality disorder
Ayazi syndrome
B-cell chronic lymphocytic leukemia
Babesiosis
Bacillus cereus
Bacterial pneumonia
Bacterial vaginosis
Balantidiasis
Bangstad syndrome
Bannayan–Riley–Ruvalcaba syndrome
Banti's syndrome
Barbiturate dependence
Barbiturate overdose
Bardet–Biedl syndrome
Bare lymphocyte syndrome
Bare lymphocyte syndrome 2
Baritosis
Barrett's esophagus
Barth syndrome
Bartonella
Bartter syndrome
Basal ganglia disease
Basal-cell carcinoma
Bathophobia
Batten disease
Bauxite fibrosis
Bazex–Dupré–Christol syndrome
Becker's muscular dystrophy
Becker's nevus
Beckwith–Wiedemann syndrome
Behr syndrome
Behçet's disease
Bell's palsy
Benign familial neonatal seizures
Benign fasciculation syndrome
Benign fibrous histiocytoma
Benign lymphoepithelial lesion
Benign paroxysmal positional vertigo
Benign symmetric lipomatosis
Benzodiazepine dependence
Benzodiazepine overdose
Benzodiazepine withdrawal syndrome
Berdon syndrome
Beriberi
Bernard–Soulier syndrome
Berylliosis
Beta thalassemia
Beta-ketothiolase deficiency
Beta-mannosidosis
Bethlem myopathy
Bhaskar–Jagannathan syndrome
Bicuspid aortic valve
Biemond syndrome
Biliary atresia
Bilirubin
Binder's syndrome
Binswanger's disease
Biotin deficiency
Biotinidase deficiency
Bipolar disorder
Bipolar I disorder
Bipolar II disorder
Birdshot chorioretinopathy
Birt–Hogg–Dubé syndrome
Björnstad syndrome
BK virus
Black Death
Black hairy tongue
Black piedra
Bladder cancer
Bladder exstrophy
Blastoma
Blastomycosis
Blepharitis
Blepharophimosis
Blepharophyma
Blepharospasm
Blood phobia
Bloom syndrome
Blount's disease
Blue diaper syndrome
Blue rubber bleb nevus syndrome
Body dysmorphic disorder
Boil
Bolivian hemorrhagic fever
Bone
Bone marrow failure
Bone tumor
Boomerang dysplasia
Borderline personality disorder
Bothrops lanceolatus
Botulism
Bovine spongiform encephalopathy
Bowen's disease
Bowenoid papulosis
Brachydactyly
Brain tumor
Branchio-oculo-facial syndrome
Branchio-oto-renal syndrome
Brazilian hemorrhagic fever
Breast cancer
Brief psychotic disorder
Bright's disease
Bronchiectasis
Bronchiolitis obliterans
Bronchiolitis obliterans organizing pneumonia
Bronchitis
Bronchopulmonary dysplasia
Brown's syndrome
Brown-Séquard syndrome
Brucellosis
Bruck syndrome
Brunner syndrome
Bubonic plague
Budd–Chiari syndrome
Bulimia nervosa
Bullous pemphigoid
Bunion
Burkitt's lymphoma
Burning mouth syndrome
Bursitis
Buruli ulcer
Buschke–Ollendorff syndrome
Byssinosis
CADASIL syndrome
Caffeine-induced sleep disorder
Café au lait spot
Calcinosis cutis
Calciphylaxis
Calculus (medicine)
CAMFAK syndrome
Campylobacteriosis
Camurati–Engelmann disease
Canavan disease
Cancer
Candida (fungus)
Candidiasis
Canga's bead symptom
Canine distemper
Cannabis dependence
Capillary leak syndrome
Caplan's syndrome
Carcinoid syndrome
Cardiac amyloidosis
Cardiac arrest
Cardiac dysrhythmia
Cardiac tamponade
Cardiofaciocutaneous syndrome
Cardiomyopathy
Caregiver syndrome
Carney complex
Carnitine palmitoyltransferase I deficiency
Carnitine palmitoyltransferase II deficiency
Carnitine-acylcarnitine translocase deficiency
Carnosinemia
Caroli disease
Carotenosis
Carotid artery dissection
Carpal tunnel syndrome
Carpenter syndrome
Cartilage–hair hypoplasia
Castleman's disease
Cat eye syndrome
Cat scratch disease
Cataract
Catecholaminergic polymorphic ventricular tachycardia
Catel–Manzke syndrome
Caudal regression syndrome
Cavernous hemangioma
Cavernous sinus thrombosis
Cenani–Lenz syndactylism
Central core disease
Central serous retinopathy
Centronuclear myopathy
Cerebellar hypoplasia
Cerebral amyloid angiopathy
Cerebral arteriovenous malformation
Cerebral hypoxia
Cerebral palsy
Cerebrotendineous xanthomatosis
Cervical cancer
Chagas disease
Chalazion
Chancroid
Charcot disease
Charcot–Marie–Tooth disease
CHARGE syndrome
Cheilitis
Chemophobia
Cherubism
Chickenpox
Chikungunya
Chilblains
Child abuse
Child sexual abuse
CHILD syndrome
Childhood amnesia
Childhood disintegrative disorder
Chimera (genetics)
Chlamydia infection
Chlamydia trachomatis
Chlamydophila pneumoniae
Cholangiocarcinoma
Cholecystitis
Cholemia
Cholera
Cholestasis
Cholesteryl ester storage disease
Chondroblastoma
Chondrocalcinosis
Chondrodysplasia punctata
Chondrodystrophy
Chondroma
Chondromalacia patellae
Chondrosarcoma
Chordoma
Chorea
Chorea acanthocytosis
Choriocarcinoma
Chorioretinitis
Choroid plexus cyst
Choroid plexus papilloma
Choroideremia
Chromhidrosis
Chromoblastomycosis
Chromosome 15q partial deletion
Chromosome 15q trisomy
Chromosome 5q deletion syndrome
Chronic fatigue syndrome
Chronic granulomatous disease
Chronic inflammatory demyelinating polyneuropathy
Chronic kidney disease
Chronic mountain sickness
Chronic myelogenous leukemia
Chronic myelomonocytic leukemia
Chronic obstructive pulmonary disease
Chronic progressive external ophthalmoplegia
Chronic recurrent multifocal osteomyelitis
Churg–Strauss syndrome
Chédiak–Higashi syndrome
Cicatricial pemphigoid
Ciguatera
Cinchonism
Cirrhosis
Citrullinemia
Cleft lip and palate
Cleidocranial dysostosis
Cloacal exstrophy
Clouston's hidrotic ectodermal dysplasia
Club foot
Cluster headache
Coagulopathy
Coalworker's pneumoconiosis
Coarctation of the aorta
Coats' disease
Cocaine dependence
Cocaine intoxication
Coccidioidomycosis
Cockayne syndrome
Coeliac disease
Coffin–Lowry syndrome
Coffin–Siris syndrome
Cogan syndrome
Cohen syndrome
Cold agglutinin disease
Cold antibody hemolytic anemia
Cold urticaria
Colitis
Collagenous colitis
Coloboma
Color blindness
Colorado tick fever
Colorectal cancer
Combined hyperlipidemia
Common cold
Common variable immunodeficiency
Compartment syndrome
Complement component 2
Complement receptor 1
Complex regional pain syndrome
Conduct disorder
Conductive hearing loss
Condylomata lata
Cone dystrophy
Congenital absence of the vas deferens
Congenital adrenal hyperplasia
Congenital adrenal hyperplasia due to 11β-hydroxylase deficiency
Congenital adrenal hyperplasia due to 17 alpha-hydroxylase deficiency
Congenital adrenal hyperplasia due to 21-hydroxylase deficiency
Congenital adrenal hyperplasia due to 3 beta-hydroxysteroid dehydrogenase deficiency
Congenital afibrinogenemia
Congenital amputation
Congenital cataract
Congenital contractural arachnodactyly
Congenital cytomegalovirus infection
Congenital diaphragmatic hernia
Congenital disorder of glycosylation
Congenital dyserythropoietic anemia
Congenital dyserythropoietic anemia type I
Congenital dyserythropoietic anemia type II
Congenital dyserythropoietic anemia type III
Congenital fiber type disproportion
Congenital generalized lipodystrophy
Congenital heart defect
Congenital hemolytic anemia
Congenital hepatic fibrosis
Congenital hyperinsulinism
Congenital hypoplastic anemia
Congenital hypothyroidism
Congenital ichthyosiform erythroderma
Congenital insensitivity to pain with anhidrosis
Congenital lymphedema
Congenital melanocytic nevus
Congenital myopathy
Congenital nephrotic syndrome
Congenital pulmonary airway malformation
Congenital rubella syndrome
Congenital self-healing reticulohistiocytosis
Congenital syphilis
Conjunctivitis
Conn's syndrome
Connective tissue disease
Conradi–Hünermann syndrome
Constitutional growth delay
Contact dermatitis
Conversion disorder
Cooks syndrome
Cor pulmonale
Cor triatriatum
Corneal dystrophy
Cornelia de Lange Syndrome
Corneodermatoosseous syndrome
Coronary artery aneurysm
Coronary artery disease
Cortical dysplasia
Corticobasal degeneration
Costello syndrome
Costochondritis
Cowden syndrome
Cowpox
Crab louse
Cramp
Cramp fasciculation syndrome
Crandall syndrome
Craniodiaphyseal dysplasia
Craniofrontonasal dysplasia
Craniosynostosis
Creatine
CREST syndrome
Cretinism
Creutzfeldt–Jakob disease
Cri du chat
Crigler–Najjar syndrome
CRLF1
Crohn's disease
Crome syndrome
Cronkhite–Canada syndrome
Croup
Crouzon syndrome
Crouzonodermoskeletal syndrome
Cryoglobulinemia
Cryptococcosis
Cryptosporidiosis
Crystal arthropathy
Currarino syndrome
Cushing's syndrome
Cutaneous larva migrans
Cutaneous lymphoid hyperplasia
Cutaneous small-vessel vasculitis
Cutaneous T cell lymphoma
Cutis laxa
Cutis marmorata telangiectatica congenita
Cutis verticis gyrata
Cyclic neutropenia
Cyclic vomiting syndrome
Cyclosporiasis
Cyclothymia
Cystic fibrosis
Cystic hygroma
Cysticercosis
Cystinosis
Cystinuria
Cytochrome c oxidase
Cytomegalovirus
D-Glyceric acidemia
Daentl Towsend Siegel syndrome
Dahlberg Borer Newcomer syndrome
Dandy–Walker syndrome
Darier's disease
De Barsy syndrome
Death anxiety (psychology)
Deep vein thrombosis
Degos disease
Dejerine–Roussy syndrome
Dejerine–Sottas disease
Delayed ejaculation
Delayed sleep phase disorder
Delirium
Delirium tremens
Delusional disorder
Dementia
Dementia pugilistica
Dementia with Lewy bodies
Demyelinating disease
Dengue fever
Dent's disease
Dental abscess
Dental caries
Dental fluorosis
Dental phobia
Dentatorubral-pallidoluysian atrophy
Dentin dysplasia
Dentinogenesis imperfecta
Dependent personality disorder
Depersonalization disorder
Depressive personality disorder
Dermabrasion
Dermatitis
Dermatitis herpetiformis
Dermatographic urticaria
Dermatomyositis
Dermatopathia pigmentosa reticularis
Dermatophytid
Dermatophytosis
Dermoodontodysplasia
DeSanctis–Cacchione syndrome
Desmin-related myofibrillar myopathy
Desmoplastic small-round-cell tumor
Developmental coordination disorder
Dextrocardia
Diabetes insipidus
Diabetes mellitus
Diabetes mellitus and deafness
Diabetes mellitus type 1
Diabetes mellitus type 2
Diabetic angiopathy
Diabetic nephropathy
Diabetic neuropathy
Diabetic retinopathy
Diamond–Blackfan anemia
Diaper rash
Diarrhetic shellfish poisoning
Diastematomyelia
Diastrophic dysplasia
Dicarboxylic aminoaciduria
Diethylstilbestrol
Diffuse idiopathic skeletal hyperostosis
Diffuse large B-cell lymphoma
Diffuse neonatal hemangiomatosis
Diffuse panbronchiolitis
DiGeorge syndrome
Digoxin
Digoxin toxicity
Dihydropyrimidine dehydrogenase deficiency
Dilated cardiomyopathy
Diphallia
Diphtheria
Diphyllobothrium
Diplopia
Disaccharidase
Discoid lupus erythematosus
Disease
Disinhibited attachment disorder
Dislocation of hip
Dissociative disorder
Dissociative identity disorder
Distal 18q-
Distal muscular dystrophy
Distal renal tubular acidosis
Distal Trisomy 10q
Diverticulitis
Diverticulosis
Donnai–Barrow syndrome
Donohue syndrome
DOOR syndrome
Dopamine beta hydroxylase deficiency
Double outlet right ventricle
Down syndrome
Doxorubicin
Dracunculiasis
Drug-induced amnesia
Duane syndrome
Dubin–Johnson syndrome
Dubowitz syndrome
Duchenne muscular dystrophy
Duodenal atresia
Dupuytren's contracture
Dwarfism
Dysautonomia
Dysbarism
Dyscalculia
Dyschromatosis universalis hereditaria
Dysferlinopathy
Dysfibrinogenemia
Dysgerminoma
Dysgeusia
Dysgraphia
Dyskeratosis congenita
Dyskinesia
Dyslexia
Dysostosis
Dyspareunia
Dysplasia
Dysplastic nevus syndrome
Dysthymia
Dystonia
Early-onset Alzheimer's disease
Ebola virus disease
Echinococcosis
Echovirus
Ectodermal dysplasia
Ectopia cordis
Ectopia lentis
Ectopic pregnancy
Ectrodactyly
Ectrodactyly–ectodermal dysplasia–cleft syndrome
Edwards syndrome
EEM syndrome
Effects of cannabis
Egg allergy
Ehlers–Danlos syndrome
Ehrlichiosis
Ehrlichiosis ewingii infection
Eiken syndrome
Eisenmenger's syndrome
Ekbom syndrome
Elective mutism
Elejalde syndrome
Elephantiasis
Ellis–van Creveld syndrome
Emery–Dreifuss muscular dystrophy
Emetophobia
Empty sella syndrome
Encephalitis
Encephalitis lethargica
Encephalocele
Encephalomyelitis
Enchondromatosis
Encopresis
Endocardial fibroelastosis
Endocarditis
Endocrinology
Endodermal sinus tumor
Endometrial ablation
Endometrial stromal sarcoma
Endometriosis
Endosalpingiosis
Enolase deficiency
Enterobiasis
Entomophthoramycosis
Enuresis
Eosinophilia–myalgia syndrome
Eosinophilic cellulitis
Eosinophilic cystitis
Eosinophilic fasciitis
Eosinophilic folliculitis
Eosinophilic gastroenteritis
Eosinophilic granuloma
Eosinophilic pneumonia
Ependymoma
Epicondylitis
Epidermodysplasia verruciformis
Epidermolysis bullosa
Epidermolysis bullosa acquisita
Epidermolysis bullosa dystrophica
Epidermolytic hyperkeratosis
Epididymitis
Epilepsia partialis continua
Epilepsy
Epileptic spasms
Epithelial-myoepithelial carcinoma
Equinophobia
Erb's palsy
Erdheim–Chester disease
Ergophobia
Erosive pustular dermatitis of the scalp
Erysipelas
Erythema multiforme
Erythema nodosum
Erythroblastopenia
Erythroderma
Erythrokeratodermia variabilis
Erythrokeratodermia with ataxia
Erythromelalgia
Erythroplakia
Erythroplasia of Queyrat
Erythropoietic protoporphyria
Erythrotelangiectatic rosacea
Esophageal atresia
Esophageal cancer
Esophageal varices
Esophagus
Esophoria
Esotropia
Essential fatty acid
Essential fructosuria
Essential hypertension
Essential thrombocythaemia
Essential tremor
Esthesioneuroblastoma
Evans syndrome
Ewing's sarcoma
Exanthema subitum
Excoriated acne
Exencephaly
Exophoria
Exophthalmos
Exostosis
Exotropia
Experimental autoimmune encephalomyelitis
Exploding head syndrome
Extramammary Paget's disease
Eye movement
Fabry disease
FACES syndrome
Facial cleft
Facial nerve paralysis
Facioscapulohumeral muscular dystrophy
Factor IX
Factor V
Factor V Leiden
Factor VII
Factor X
Factor XI
Factor XII
Factor XIII
Factor XIII deficiency
Fahr's syndrome
Familial adenomatous polyposis
Familial aortic dissection
Familial British dementia
Familial dysautonomia
Familial dysbetalipoproteinemia
Familial hemiplegic migraine
Familial hypertriglyceridemia
Familial isolated vitamin E deficiency
Familial male-limited precocious puberty
Familial Mediterranean fever
Familial partial lipodystrophy
Fan death
Fanconi anemia
Fanconi syndrome
Farber disease
Farmer's lung
Fasciolosis
Fatal familial insomnia
Fatty liver
Fazio–Londe disease
Fear of bees
Fear of daylight
Fear of fish
Fear of frogs
Fear of mice
Fear of needles
Febrile neutrophilic dermatosis
Febrile seizure
Fechtner syndrome
Feingold syndrome
Felty's syndrome
Female sexual arousal disorder
Femur fibula ulna syndrome
Ferroportin
Fetal alcohol syndrome
Fetal hydantoin syndrome
Fetal trimethadione syndrome
Fetal warfarin syndrome
FG syndrome
Fibrochondrogenesis
Fibrodysplasia ossificans progressiva
Fibroma
Fibromatosis
Fibromuscular dysplasia
Fibromyalgia
Fibrosarcoma
Fibrosis
Fibrous dysplasia of bone
Fifth disease
Filariasis
Fish-eye disease
Fissured tongue
Fitz-Hugh–Curtis syndrome
Fitzsimmons–Guilbert syndrome
Flat feet
Floater
Floating-Harbor syndrome
Fluorosis
Flynn–Aird syndrome
Focal dermal hypoplasia
Focal dystonia
Focal facial dermal dysplasia
Foix–Alajouanine syndrome
Foix–Chavany–Marie syndrome
Folie à deux
Follicular lymphoma
Follicular thyroid cancer
Foodborne illness
Foreign accent syndrome
Formaldehyde
Fountain syndrome
Fournier gangrene
Fox–Fordyce disease
Fragile X syndrome
Franceschetti–Klein syndrome
Fraser syndrome
Frasier syndrome
Freeman–Sheldon syndrome
Freiberg disease
Frey's syndrome
Friedreich's ataxia
Frontonasal dysplasia
Frontotemporal dementia
Fructose 1,6-bisphosphatase
Fucosidosis
Fugue state
Fukuyama congenital muscular dystrophy
Fumarase deficiency
Galactocele
Galactokinase deficiency
Galactorrhea
Galactorrhea hyperprolactinemia
Galactose epimerase deficiency
Galactose-1-phosphate uridylyltransferase deficiency
Galactosemia
Galactosialidosis
Galloway Mowat syndrome
Gallstone
Ganglioglioma
Gangliosidosis
Ganser syndrome
GAPO syndrome
Gardner's syndrome
Gastric antral vascular ectasia
Gastric dumping syndrome
Gastric lymphoma
Gastrocutaneous syndrome
Gastroenteritis
Gastroesophageal reflux disease
Gastrointestinal cancer
Gastrointestinal stromal tumor
Gastroschisis
Gaucher's disease
Gender identity disorder
Generalised epilepsy
Generalized anxiety disorder
Genital wart
Genu varum
Genuphobia
Geographic tongue
Gerodermia osteodysplastica
Gerstmann syndrome
Gestational diabetes
Gestational pemphigoid
Gestational trophoblastic disease
Gianotti–Crosti syndrome
Giant axonal neuropathy
Giant platelet disorder
Giant-cell arteritis
Giardiasis
Gigantism
Gilbert's syndrome
Gingivitis
Gitelman syndrome
GJB2
Glandular rosacea
Glanzmann's thrombasthenia
Glaucoma
Glioblastoma multiforme
Glioma
Gliomatosis cerebri
Gliosarcoma
Glomerulonephritis
Glomerulosclerosis
Glossophobia
Glucagonoma
Glucocorticoid deficiency 1
Glucose-6-phosphate dehydrogenase deficiency
Glucose-galactose malabsorption
Glutamate flavoring
Glutaric aciduria type 1
Glutathione synthetase deficiency
Gluten-sensitive enteropathy-associated conditions
Glycine encephalopathy
Glycogen storage disease
Glycogen storage disease type 0
Glycogen storage disease type I
Glycogen storage disease type II
Glycogen storage disease type III
Glycogen storage disease type IV
Glycogen storage disease type V
Glycogen storage disease type VI
Glycogen storage disease type XI
Glycosuria
GM1 gangliosidoses
GM2 gangliosidoses
GMS syndrome
Gnathophyma
Goitre
Goldenhar syndrome
Gonadal dysgenesis
Goodpasture syndrome
Gorham's disease
Gougerot–Blum syndrome
Gout
Graft-versus-host disease
Gram-negative rosacea
Granulocyte
Granuloma annulare
Granulomatosis with polyangiitis
Granulomatous facial dermatitis
Graves' disease
Gray platelet syndrome
Group B streptococcal infection
Growth hormone deficiency
Guanidinoacetate methyltransferase deficiency
Guillain–Barré syndrome
Gunther disease
Gymnophobia
Gynecomastia
Haemochromatosis type 3
Haemophilia
Haemophilia A
Haemophilia B
Haemophilia C
Hagemoser–Weinstein–Bresnick syndrome
Hailey–Hailey disease
Hair disease
Hair loss
Hairy cell leukemia
Hairy palms and soles
Hajdu–Cheney syndrome
Halal syndrome
Hallermann–Streiff syndrome
Hallucinogen persisting perception disorder
Halogen acne
Hamartoma
Hand, foot and mouth disease
Hand–Schüller–Christian disease
Hantavirus hemorrhagic fever with renal syndrome
Harding ataxia
Harlequin-type ichthyosis
Harpaxophobia
Hartnup disease
Hashimoto's thyroiditis
Hawkinsinuria
Hay–Wells syndrome
Hearing loss
Heart block
Heart failure
Heavy metal (chemistry)
HEC syndrome
Heliophobia
HELLP syndrome
Helminthiasis
Hemangioblastoma
Hemangioendothelioma
Hemangioma
Hemangiopericytoma
Hemifacial microsomia
Hemiplegia
Hemoglobin C
Hemoglobin E
Hemoglobinopathy
Hemoglobinuria
Hemolytic-uremic syndrome
Hemophagocytic lymphohistiocytosis
Hemorrhoid
Hemosiderosis
Hemothorax
Hennekam syndrome
Henoch–Schönlein purpura
Hepadnaviridae
Heparin-induced thrombocytopenia
Hepatic encephalopathy
Hepatic veno-occlusive disease
Hepatitis
Hepatitis A
Hepatitis B
Hepatitis B virus
Hepatitis C
Hepatitis D
Hepatitis E
Hepatoblastoma
Hepatocellular carcinoma
Hepatorenal syndrome
Hereditary angioedema
Hereditary breast–ovarian cancer syndrome
Hereditary coproporphyria
Hereditary elliptocytosis
Hereditary fructose intolerance
Hereditary hemorrhagic telangiectasia
Hereditary inclusion body myopathy
Hereditary mucoepithelial dysplasia
Hereditary multiple exostoses
Hereditary nonpolyposis colorectal cancer
Hereditary pancreatitis
Hereditary pyropoikilocytosis
Hereditary spastic paraplegia
Hereditary spherocytosis
Hereditary stomatocytosis
Hermansky–Pudlak syndrome
Hermaphrodite
Hernia
Herpangina
Herpes B virus
Herpes of the eye
Herpes simplex
Herpes simplex virus
Herpes zoster
Herpesviral encephalitis
Herpesviridae
Herpetophobia
Heterophoria
HFE hereditary haemochromatosis
Hiccup
Hidradenitis suppurativa
High-altitude pulmonary edema
Hip dysplasia (canine)
Hip dysplasia (human)
Hirschsprung's disease
Histidinemia
Histoplasmosis
Histrionic personality disorder
HIV
HIV-associated neurocognitive disorder
HIV/AIDS
Hodgkin's lymphoma
Holocarboxylase synthetase deficiency
Holoprosencephaly
Holt–Oram syndrome
Homocystinuria
Homophobia
Hookworm
Horner's syndrome
Horseshoe kidney
Hot tub folliculitis
Howel–Evans syndrome
HOXA13
Ho–Kaufman–Mcalister syndrome
Human granulocytic anaplasmosis
Human monocytotropic ehrlichiosis
Hunter syndrome
Huntington's disease
Hurler syndrome
Hutchinson's teeth
Hydranencephaly
Hydrocephalus
Hydrolethalus syndrome
Hydronephrosis
Hydrops fetalis
Hydrops-ectopic calcification-moth-eaten skeletal dysplasia
Hymenolepiasis
Hyper IgM syndrome
Hyper-IgD syndrome
Hyperaldosteronism
Hyperammonemia
Hyperandrogenism
Hypercalcaemia
Hypercalciuria
Hypercementosis
Hypercholesterolemia
Hyperekplexia
Hypereosinophilic syndrome
Hypergeusia
Hyperglycemia
Hyperglycerolemia
Hyperglycinemia
Hyperhidrosis
Hyperhomocysteinemia
Hyperimmunoglobulin E syndrome
Hyperkalemia
Hyperkalemic periodic paralysis
Hyperkeratosis
Hyperlipidemia
Hyperlysinemia
Hypermethioninemia
Hypermobility
Hyperopia
Hyperostosis frontalis interna
Hyperoxaluria
Hyperparathyroidism
Hyperphenylalaninemia
Hyperprolactinaemia
Hyperprolinemia
Hyperreflexia
Hypersensitivity
Hypersensitivity pneumonitis
Hypersomnia
Hypertension
Hypertensive nephropathy
Hypertensive retinopathy
Hyperthermia
Hyperthyroidism
Hypertrichosis
Hypertriglyceridemia
Hypertrophic cardiomyopathy
Hypertropia
Hypertryptophanemia
Hyperuricemia
Hypervalinemia
Hypervitaminosis A
Hypervitaminosis D
Hypervitaminosis E
Hypoactive sexual desire disorder
Hypoaldosteronism
Hypobetalipoproteinemia
Hypocalcaemia
Hypochondriasis
Hypochondrogenesis
Hypochondroplasia
Hypodermyasis
Hypodontia
Hypogammaglobulinemia
Hypoglycemia
Hypogonadism
Hypohidrotic ectodermal dysplasia
Hypokalemia
Hypokalemic periodic paralysis
Hypokalemic sensory overstimulation
Hypokinesia
Hypolipoproteinemia
Hypoparathyroidism
Hypophosphatasia
Hypopituitarism
Hypoplastic left heart syndrome
Hypoprothrombinemia
Hypospadias
Hypothermia
Hypothyroidism
Hypotonia
Hypotrichosis
Hypoxia (medical)
I-cell disease
Ichthyoallyeinotoxism
Ichthyosis
Ichthyosis acquisita
Ichthyosis bullosa of Siemens
Ichthyosis follicularis with alopecia and photophobia syndrome
Ichthyosis linearis circumflexa
Ichthyosis vulgaris
Idiopathic facial aseptic granuloma
Idiopathic giant-cell myocarditis
Idiopathic intracranial hypertension
Idiopathic pulmonary fibrosis
Idiopathic pulmonary haemosiderosis
Idiopathic sclerosing mesenteritis
Idiopathic thrombocytopenic purpura
IgA nephropathy
Iminoglycinuria
Immunodeficiency–centromeric instability–facial anomalies syndrome
Imperforate anus
Impetigo
Impossible syndrome
Inborn error of metabolism
Inborn errors of renal tubular transport
Incidentaloma
Inclusion body myositis
Incontinentia pigmenti
Incontinentia pigmenti achromians
Indometacin
Infant respiratory distress syndrome
Infantile acne
Infantile cortical hyperostosis
Infantile digital fibromatosis
Infantile free sialic acid storage disease
Infantile myofibromatosis
Infantile neuroaxonal dystrophy
Infantile neuronal ceroid lipofuscinosis
Infantile Refsum disease
Infectious mononucleosis
Infective endocarditis
Inflammatory breast cancer
Influenza
Ingrown nail
Inguinal hernia
Insulinoma
Intellectual disability
Intermediate uveitis
Interrupted aortic arch
Intersex
Interstitial cystitis
Interstitial lung disease
Intestinal atresia
Intestinal pseudoobstruction
Intestinal spirochetosis
Intoxicative inhalant
Intracranial aneurysm
Intraocular lymphoma
Iodine
Iodine deficiency
Iridocorneal endothelial syndrome
Iridogoniodysgenesis, dominant type
Iron deficiency
Iron overload
Irritable bowel syndrome
Irritant contact dermatitis
Irritant diaper dermatitis
Isosporiasis
Isotretinoin
Isovaleric acidemia
Jackson–Weiss syndrome
Jacobsen syndrome
Jalili syndrome
Jansky–Bielschowsky disease
Japanese encephalitis
Jervell and Lange-Nielsen syndrome
Johanson–Blizzard syndrome
John Langdon Down
Johnson–Munson syndrome
Joubert syndrome
Jumping Frenchmen of Maine
Junctional ectopic tachycardia
Junctional epidermolysis bullosa (medicine)
Juvenile dermatomyositis
Juvenile hemochromatosis
Juvenile hyaline fibromatosis
Juvenile idiopathic arthritis
Juvenile myoclonic epilepsy
Juvenile osteoporosis
Kabuki syndrome
Kallmann syndrome
Kaposi's sarcoma
Kapur–Toriello syndrome
Kasabach–Merritt syndrome
Katz syndrome
Kaufman oculocerebrofacial syndrome
Kawasaki disease
Kearns–Sayre syndrome
Keloid
Keratitis–ichthyosis–deafness syndrome
Keratoacanthoma
Keratoconjunctivitis sicca
Keratoconus
Keratolytic winter erythema
Keratomalacia
Keratosis follicularis spinulosa decalvans
Keratosis pilaris
Keratosis pilaris atrophicans faciei
Kerion
Kernicterus
Keutel syndrome
Khat
Kidney stone
Kikuchi disease
Kimura's disease
Kindler syndrome
Kjer's optic neuropathy
Kleine–Levin syndrome
Klinefelter syndrome
Klippel–Feil syndrome
Klippel–Trénaunay syndrome
Klumpke paralysis
Klüver–Bucy syndrome
Kniest dysplasia
Kocher–Debre–Semelaigne syndrome
Kohlschütter-Tönz syndrome
Koilonychia
Koro (medicine)
Korsakoff's syndrome
Kostmann syndrome
Kowarski syndrome
Krabbe disease
Kuru (disease)
Kwashiorkor
Kyasanur forest disease
Kyphosis
Köhler disease
Labyrinthine fistula
Labyrinthitis
Lachiewicz–Sibley syndrome
Lacunar amnesia
Lafora disease
Lambert–Eaton myasthenic syndrome
Lamellar ichthyosis
Landau–Kleffner syndrome
Langerhans cell histiocytosis
Langer–Giedion syndrome
Large for gestational age
Laron syndrome
Larsen syndrome
Laryngeal cancer
Laryngeal cleft
Laryngeal papillomatosis
Laryngocele
Laryngomalacia
Lassa fever
Late termination of pregnancy
Lattice corneal dystrophy
Lead poisoning
Leaky gut syndrome
Leber's congenital amaurosis
Leber's hereditary optic neuropathy
Lecithin cholesterol acyltransferase deficiency
Left ventricular hypertrophy
Legg–Calvé–Perthes syndrome
Legionnaires' disease
Leigh's disease
Leiner's disease
Leiomyoma
Leiomyosarcoma
Leishmaniasis
Lemierre's syndrome
Lennox–Gastaut syndrome
Lenz microphthalmia syndrome
Leprosy
Leptospirosis
Leri pleonosteosis
Lesch–Nyhan syndrome
Lethal congenital contracture syndrome
Letterer–Siwe disease
Leukemia
Leukocyte adhesion deficiency
Leukodystrophy
Leukoplakia
Levator ani
Levo-Transposition of the great arteries
Lhermitte–Duclos disease
Lichen myxedematosus
Lichen planus
Lichen sclerosus
Lichen spinulosus
Liddle's syndrome
Light chain deposition disease
Limb-girdle muscular dystrophy
Lipid pneumonia
Lipodystrophy
Lipoid congenital adrenal hyperplasia
Lipoprotein lipase deficiency
Liposarcoma
Lissencephaly
List of cutaneous conditions
List of diseases (A)
List of diseases (G)
List of phobias
Listeriosis
Livedoid dermatitis
Liver spot
Li–Fraumeni syndrome
Loa loa filariasis
Locked-in syndrome
Loeys–Dietz syndrome
Loin pain hematuria syndrome
Long QT syndrome
Long-chain 3-hydroxyacyl-coenzyme A dehydrogenase deficiency
Loose anagen syndrome
Lowry–MacLean syndrome
Lucey–Driscoll syndrome
Lujan–Fryns syndrome
Lumbar spinal stenosis
Lung cancer
Lupoid rosacea
Lupus anticoagulant
Lupus erythematosus
Lupus miliaris disseminatus faciei
Lyme disease
Lymphangiectasia
Lymphangioleiomyomatosis
Lymphangioma
Lymphatic filariasis
Lymphedema
Lymphedema–distichiasis syndrome
Lymphoblastic lymphoma
Lymphocytic colitis
Lymphocytopenia
Lymphoma
Lymphomatoid granulomatosis
Lymphomatoid papulosis
Lyngstadaas syndrome
Lysinuric protein intolerance
Lysosomal storage disease
Léri–Weill dyschondrosteosis
Macroglobulinemia
Macroglossia
Macrophagic myofasciitis
Macular corneal dystrophy
Macular degeneration
Macular hypoplasia
Maffucci syndrome
Majewski's polydactyly syndrome
Major depressive disorder
Mal de debarquement
Malakoplakia
Malaria
Malignant hyperthermia
Malignant peripheral nerve sheath tumor
Malignant rhabdoid tumour
Mallory–Weiss syndrome
Malonyl-CoA decarboxylase deficiency
Malouf syndrome
Malpuech facial clefting syndrome
Mandibuloacral dysplasia
Mange
Mannosidosis
Mansonelliasis
Mantle cell lymphoma
Maple syrup urine disease
Marburg virus disease
Marchiafava–Bignami disease
Marcus Gunn phenomenon
Marden–Walker syndrome
Marek's disease
Marfan syndrome
Marfanoid
Marinesco–Sjögren syndrome
Maroteaux–Lamy syndrome
Marshall–Smith syndrome
MASA syndrome
Mass psychogenic illness
Mastocytosis
Mastoiditis
Maturity onset diabetes of the young
May–Hegglin anomaly
McCune–Albright syndrome
McGillivray syndrome
McKusick–Kaufman syndrome
Meadow's syndrome
Measles
Meckel syndrome
Mediastinitis
Medication phobia
Medium-chain acyl-coenzyme A dehydrogenase deficiency
Medullary cystic kidney disease
Medullary sponge kidney
Medullary thyroid cancer
Medulloblastoma
Megaduodenum
Megalencephaly
Megaloblastic anemia
Megaureter
Meige's syndrome
MELAS syndrome
Meleda disease
Melioidosis
Melkersson–Rosenthal syndrome
Melnick–Needles syndrome
Meningioma
Meningitis
Meningococcal disease
Menkes disease
Mercury poisoning
MERRF syndrome
Mesenteric ischemia
Mesoblastic nephroma
Mesothelioma
Metabolic acidosis
Metabolic syndrome
Metachondromatosis
Metachromatic leukodystrophy
Metageria
Methemoglobinemia
Methylmalonic acidemia
Methylmalonyl-CoA mutase deficiency
Methylmercury
Metophyma
Mevalonate kinase deficiency
Michelin tire baby syndrome
Michels Caskey syndrome
Michels syndrome
Mickleson syndrome
Micro syndrome
Microcephaly
Microcephaly lymphoedema chorioretinal dysplasia
Microcoria
Micrognathism
Microphthalmia
Microphthalmia–dermal aplasia–sclerocornea syndrome
Microscopic polyangiitis
Microsporidiosis
Microtia
Microvillous inclusion disease
Migraine
Mild cognitive impairment
Miller syndrome
Miller–Dieker syndrome
Milroy's disease
Minamata disease
Minimally differentiated acute myeloblastic leukemia
Mirhosseini–Holmes–Walton syndrome
Miscarriage
Mismatch repair cancer syndrome
Mitochondrial disease
Mitochondrial trifunctional protein deficiency
Mitral valve prolapse
Mitral valve stenosis
Mixed connective tissue disease
Mixed gonadal dysgenesis
Mixed Müllerian tumor
Mixed receptive-expressive language disorder
MN1 (gene)
Mohr–Tranebjærg syndrome
Molar pregnancy
Molluscum contagiosum
Molybdenum cofactor deficiency
MOMO syndrome
Mondini dysplasia
Mondor's disease
Monilethrix
Monochromacy
Monoclonal gammopathy of undetermined significance
Morel's ear
Morgellons
Morphea
Morquio syndrome
Motor neuron disease
Movement disorder
Moyamoya disease
Muckle–Wells syndrome
Mucolipidosis type IV
Mucopolysaccharidosis
Mucormycosis
Muenke syndrome
Mulibrey nanism
Multicentric reticulohistiocytosis
Multifocal motor neuropathy
Multiple chemical sensitivity
Multiple endocrine neoplasia type 1
Multiple endocrine neoplasia type 2
Multiple epiphyseal dysplasia
Multiple myeloma
Multiple organ dysfunction syndrome
Multiple pterygium syndrome
Multiple sclerosis
Multiple sulfatase deficiency
Multiple system atrophy
Mumps
Muscle atrophy
Muscular dystrophy
Myasthenia gravis
Mycetoma
Mycobacterium avium-intracellulare infection
Mycosis fungoides
Myelin
Myelitis
Myelodysplastic syndrome
Myelofibrosis
Myeloid leukemia
Myeloid sarcoma
Myeloperoxidase deficiency
Myhre syndrome
Myiasis
Myocardial infarction
Myocarditis
Myoclonic dystonia
Myoclonic epilepsy
Myoclonus
Myoglobinuria
Myopathy
Myopathy, X-linked, with excessive autophagy
Myopia
Myositis
Myositis ossificans
Myotonia congenita
Myotonic dystrophy
Mysophobia
Myxedema
Myxoid liposarcoma
Myxozoa
Ménière's disease
Ménétrier's disease
Möbius syndrome
Müllerian agenesis
Münchausen syndrome
Münchausen syndrome by proxy
N-Acetylglutamate synthase deficiency
Naegeli–Franceschetti–Jadassohn syndrome
Nager acrofacial dysostosis
Nail–patella syndrome
Nakajo syndrome
Nance–Horan syndrome
Narcissistic personality disorder
Narcolepsy
Nasodigitoacoustic syndrome
Nasopharynx cancer
Naxos syndrome
Necrophilia
Necrotizing fasciitis
Neisseria gonorrhoeae
Neisseria meningitidis
Nelson's syndrome
Nemaline myopathy
Neonatal acne
Neonatal diabetes mellitus
Neonatal hemochromatosis
Neonatal hepatitis
Neonatal herpes simplex
Neonatal jaundice
Neonatal onset multisystem inflammatory disease
Nephrocalcinosis
Nephrogenic diabetes insipidus
Nephronophthisis
Nephropathy
Nephrotic syndrome
Nerve sheath tumor
Nesidioblastosis
Netherton syndrome
Neural tube defect
Neurasthenia
Neuroacanthocytosis
Neuroblastoma
Neurocutaneous melanosis
Neuroendocrine tumor
Neurofibrillary tangle
Neurofibroma
Neurofibromatosis
Neurofibromatosis type 3
Neurofibromatosis type 4
Neurofibromatosis type I
Neurofibromatosis type II
Neurogenic diabetes insipidus
Neuroleptic malignant syndrome
Neuromyelitis optica
Neuromyotonia
Neuronal ceroid lipofuscinosis
Neurosyphilis
Neurotoxic shellfish poisoning
Neurotoxicity
Neurulation
Neutral lipid storage disease
Neutropenia
Nevoid basal cell carcinoma syndrome
Nevus sebaceous
Nezelof syndrome
Nicolaides–Baraitser syndrome
Nicotine withdrawal
Niemann–Pick disease
Niemann–Pick disease, type C
Nijmegen breakage syndrome
Nissen fundoplication
Nocardiosis
Noise-induced hearing loss
Noma (disease)
Non-24-hour sleep–wake disorder
Non-Hodgkin lymphoma
Non-Langerhans cell histiocytosis
Non-small-cell lung carcinoma
Nonvenereal endemic syphilis
Nonverbal learning disorder
Noonan syndrome
Norman–Roberts syndrome
Norrie disease
Northern epilepsy syndrome
Nose-picking
Notalgia paresthetica
Nyctalopia
Nyctophobia
Nystagmus
Obesophobia
Obsessive–compulsive disorder
Obsessive–compulsive personality disorder
Obstructive sleep apnea
Occipital horn syndrome
Occupational acne
Occupational asthma
Occupational lung disease
Ochronosis
Ocular albinism
Ocular rosacea
Oculocerebrocutaneous syndrome
Oculocerebrorenal syndrome
Oculocutaneous albinism type I
Oculodentodigital dysplasia
Oculomotor nerve palsy
Oculopharyngeal muscular dystrophy
Odontoma
Ogilvie syndrome
Oikophobia
Oil acne
Olfactory reference syndrome
Oligodactyly
Oliver–McFarlane syndrome
Olivopontocerebellar atrophy
Ollier disease
Olney's lesions
Ombrophobia
Omenn syndrome
Omsk hemorrhagic fever
Onchocerciasis
Oncocytoma
Ondine's curse
Oneirophobia
Onychogryphosis
Onycholysis
Onychomadesis
Onychomatricoma
Onychomycosis
Onychophosis
Opioid dependence
Opioid-induced hyperalgesia
Opportunistic infection
Oppositional defiant disorder
Opsismodysplasia
Optic disc drusen
Optic nerve hypoplasia
Optic neuritis
Optic neuropathy
Oral cancer
Oral submucous fibrosis
Organic acidemia
Organic brain syndrome
Organophosphate poisoning
Ornithine aminotransferase deficiency
Ornithine translocase deficiency
Orofaciodigital syndrome 1
Orotic aciduria
Orthomolecular medicine
Orthostatic hypotension
Orthostatic intolerance
Osgood–Schlatter disease
OSLAM syndrome
Osmophobia
Osteoarthritis
Osteochondritis
Osteochondritis dissecans
Osteochondrodysplasia
Osteochondroma
Osteogenesis imperfecta
Osteomalacia
Osteomyelitis
Osteopetrosis
Osteopoikilosis
Osteoporosis
Osteosarcoma
Osteosclerosis
Otitis externa
Otodental syndrome
Otolaryngology
Otophyma
Otosclerosis
Otospondylomegaepiphyseal dysplasia
Ovarian cancer
Overwhelming post-splenectomy infection
Oxycephaly
Pachygyria
Pachyonychia congenita
Pacman dysplasia
Paget's disease of bone
Paget's disease of the breast
Painful bruising syndrome
Palindromic rheumatism
Pallister–Hall syndrome
Pallister–Killian syndrome
Palmoplantar keratoderma
Pancreas
Pancreas divisum
Pancreatic cancer
Pancreatoblastoma
PANDAS
Panic attack
Panic disorder
Panniculitis
Panphobia
Pantothenate kinase-associated neurodegeneration
Papillary thyroid cancer
Papilledema
Papillitis
Papillon–Lefèvre syndrome
Papular mucinosis
Paracetamol
Paracetamol toxicity
Paracoccidioidomycosis
Paraganglioma
Paralytic shellfish poisoning
Paramyotonia congenita
Paranasal sinuses
Paraneoplastic cerebellar degeneration
Paranoid personality disorder
Paraphilia
Paraplegia
Parapsoriasis
Parastremmatic dwarfism
Parathyroid carcinoma
Parathyroid neoplasm
Paratyphoid fever
Paresis
Parkes Weber syndrome
Parkinson's disease
Parkinsonism
Paronychia
Paroxysmal cold hemoglobinuria
Paroxysmal nocturnal hemoglobinuria
Paroxysmal nonkinesigenic dyskinesia
Parry–Romberg syndrome
Parsonage–Turner syndrome
Paruresis
Parvovirus
Parvovirus B19
Pashayan syndrome
Passive-aggressive behavior
Patau syndrome
Patent ductus arteriosus
Pathogenic Escherichia coli
Patient Protection and Affordable Care Act
Patterson syndrome
Peanut allergy
Pediculosis
Pediculosis corporis
Peeling skin syndrome
PEHO syndrome
Pelizaeus–Merzbacher disease
Pellagra
Pelvic inflammatory disease
Pelvic lipomatosis
Pemphigus
Pemphigus foliaceus
Pemphigus vulgaris
Pendred syndrome
Penile agenesis and testicular agenesis
Pentalogy of Cantrell
Pentosuria
Peptic ulcer
Perifolliculitis capitis abscedens et suffodiens
Perinatal asphyxia
Periodic fever, aphthous stomatitis, pharyngitis and adenitis
Periodic limb movement disorder
Periodic paralysis
Periodontal abscess
Periodontal pathology
Periodontitis
Perioral dermatitis
Periorbital dermatitis
Periorificial dermatitis
Peripartum cardiomyopathy
Peripheral neuropathy
Peripheral T-cell lymphoma
Peritonitis
Peritonsillar abscess
Periventricular leukomalacia
Permanent neonatal diabetes mellitus
Pernicious anemia
Peroxisomal disorder
Persistent edema of rosacea
Persistent genital arousal disorder
Persistent truncus arteriosus
Pertussis
Peters-plus syndrome
Peutz–Jeghers syndrome
Peyronie's disease
Pfeiffer syndrome
PHACES Syndrome
Phakomatosis pigmentokeratotica
Phakomatosis pigmentovascularis
Phenylketonuria
Phenytoin
Pheochromocytoma
Phocomelia
Phonophobia
Phosphofructokinase deficiency
Phosphoglucomutase
Phosphoglycerate kinase
Photosensitive epilepsy
Phymatous rosacea
Physical abuse
Physical urticaria
Phytophotodermatitis
Pica (disorder)
Pick's disease
Pickardt syndrome
Piebaldism
Pierre Marie
Pierre Robin syndrome
Pigeon toe
Pigment dispersion syndrome
Pigmented villonodular synovitis
Pili annulati
Pili multigemini
Pili torti
Pilocytic astrocytoma
Pilonidal cyst
Pilotto syndrome
Pinealoma
Pinta (disease)
Pipecolic acidemia
Pira
Pitt–Hopkins syndrome
Pityriasis lichenoides chronica
Pityriasis lichenoides et varioliformis acuta
Pityriasis rubra pilaris
Placental abruption
Placental disease
Plague (disease)
Plantar fibromatosis
Platelet
Pleomorphic undifferentiated sarcoma
Pleural effusion
Pleurisy
Pleuropulmonary blastoma
Plum syndrome
Plummer–Vinson syndrome
Pneumoconiosis
Pneumocystis pneumonia
Pneumocystosis
Pneumonic plague
Pneumonoultramicroscopicsilicovolcanoconiosis
Pneumothorax
POEMS syndrome
Pogosta disease
Poland syndrome
Poliomyelitis
Polyarteritis nodosa
Polyarthritis
Polycystic kidney disease
Polycystic ovary syndrome
Polycythemia vera
Polydactyly
Polymorphous low-grade adenocarcinoma
Polymyalgia rheumatica
Polymyositis
Polyneuropathy
Polyomaviridae
Polyploid
Polyradiculoneuropathy
Popliteal pterygium syndrome
Porencephaly
Porokeratosis
Porphyria
Porphyria cutanea tarda
Portal hypertension
Portal vein thrombosis
Post-polio syndrome
Post-traumatic epilepsy
Posterior urethral valve
Postpartum depression
Posttraumatic stress disorder
Potassium-aggravated myotonia
Potter sequence
Poxviridae
Prader–Willi syndrome
Pre-eclampsia
Precocious puberty
Prekallikrein
Premature ovarian failure
Premature ventricular contraction
Premenstrual dysphoric disorder
Presbycusis
Presbyopia
Presumed ocular histoplasmosis syndrome
Primary aldosteronism
Primary biliary cirrhosis
Primary ciliary dyskinesia
Primary cutaneous amyloidosis
Primary hyperoxaluria
Primary hyperparathyroidism
Primary hypertrophic osteoathropathy
Primary lateral sclerosis
Primary polydipsia
Primary progressive aphasia
Primary sclerosing cholangitis
Primary tumors of the heart
Primitive neuroectodermal tumor
Primordial dwarfism
Primrose syndrome
Prinzmetal's angina
Problem gambling
Procrastination
Proctitis
Progeria
Progeroid syndromes
Progressive familial intrahepatic cholestasis
Progressive multifocal leukoencephalopathy
Progressive muscular atrophy
Progressive myoclonus epilepsy
Progressive osseous heteroplasia
Progressive supranuclear palsy
Progressive systemic sclerosis
Prolidase deficiency
Proliferating trichilemmal cyst
Prolymphocytic leukemia
Promoter (genetics)
Properdin deficiency
Propionic acidemia
Prosopamnesia
Prostate cancer
Prostatitis
Protein C deficiency
Protein S deficiency
Protein–energy malnutrition
Proteus syndrome
Proximal renal tubular acidosis
Prune belly syndrome
Prurigo nodularis
Pruritus ani
Pseudo-Hurler polydystrophy
Pseudoachondroplasia
Pseudocholinesterase deficiency
Pseudohermaphroditism
Pseudohypoaldosteronism
Pseudohypoparathyroidism
Pseudomonas aeruginosa
Pseudomonas infection
Pseudomonas oryzihabitans
Pseudomonas stutzeri
Pseudomyxoma peritonei
Pseudopelade of Brocq
Pseudovaginal perineoscrotal hypospadias
Pseudoxanthoma elasticum
Psittacosis
Psoriasis
Psychogenic amnesia
Psychological abuse
Psychosis
Psychosomatic medicine
Pterygium
Ptosis
Puerperal fever
Pulmonary alveolar proteinosis
Pulmonary hypertension
Pulmonary sequestration
Pulmonary valve stenosis
Pulmonic stenosis
Pure red cell aplasia
Purine nucleoside phosphorylase deficiency
Purpura
Pyaemia
Pycnodysostosis
Pyelonephritis
Pyoderma faciale
Pyoderma gangrenosum
Pyomyositis
Pyridoxine deficiency
Pyrophobia
Pyrosis
Pyruvate carboxylase deficiency
Pyruvate dehydrogenase deficiency
Pyruvate kinase deficiency
Q fever
Qazi–Markouizos syndrome
Quadrantanopia
Quadriceps tendon rupture
Quebec platelet disorder
Queensland tick typhus
Rabies
Rabson–Mendenhall syndrome
Radiofrequency ablation
Radiophobia
Raine syndrome
Ramos-Arroyo syndrome
Ramsay Hunt syndrome
Ramsay Hunt syndrome type II
Raoul Bensaude
Rapadilino syndrome
Rapp–Hodgkin syndrome
Rapunzel syndrome
Rasmussen's encephalitis
Raynaud's phenomenon
Reactive airway disease
Reactive arthritis
Reactive attachment disorder
Reactive hypoglycemia
Refsum disease
Relapsing polychondritis
Renal agenesis
Renal artery stenosis
Renal cell carcinoma
Renal dysplasia-limb defects syndrome
Renal failure
Renal glycosuria
Renal osteodystrophy
Renal tubular acidosis
Renovascular hypertension
Reperfusion injury
Repetitive strain injury
Respiratory acidosis
Restless legs syndrome
Restrictive cardiomyopathy
Reticulated seborrheic keratosis
Reticulocytopenia
Retina
Retinitis pigmentosa
Retinoblastoma
Retinopathy
Retinopathy of prematurity
Retinoschisis
Retrograde amnesia
Retroperitoneal fibrosis
Rett syndrome
Revesz syndrome
Reye syndrome
Reynolds syndrome
Rh disease
Rhabditida
Rhabdomyolysis
Rhabdomyosarcoma
Rheumatic fever
Rheumatism
Rheumatoid arthritis
Rheumatoid factor
Rheumatoid vasculitis
Rhinophyma
Richter's transformation
Rickets
Rickettsialpox
Rickettsiosis
Rift Valley fever
Ring 18
Ring chromosome 20 syndrome
Roberts syndrome
Robinow syndrome
Rocker bottom foot
Rocky Mountain spotted fever
Romano–Ward syndrome
Rombo syndrome
Rosacea
Rosacea conglobata
Rosai–Dorfman disease
Rosselli–Gulienetti syndrome
Rothmund–Thomson syndrome
Rotor syndrome
Roussy–Lévy syndrome
Rubella
Rubinstein–Taybi syndrome
Rudiger syndrome
Rumination syndrome
Ruzicka Goerz Anton syndrome
Saal Bulas syndrome
Saal Greenstein syndrome
Sabinas brittle hair syndrome
Saccharopinuria
Sacral plexus
Sadistic personality disorder
Saethre–Chotzen syndrome
Sakati–Nyhan–Tisdale syndrome
Salivary gland
Salla disease
Salmonellosis
Sandhoff disease
Sanfilippo syndrome
SAPHO syndrome
Sarcoidosis
Sarcoma botryoides
Sarcosinemia
Satoyoshi syndrome
Say–Meyer syndrome
Scabies
Scalp–ear–nipple syndrome
Scar Tissue
Scar tissue
SCARF syndrome
Scarlet fever
Schamberg disease
Scheie syndrome
Scheuermann's disease
Schindler disease
Schinzel–Giedion syndrome
Schistosomiasis
Schizencephaly
Schizoaffective disorder
Schizoid personality disorder
Schizophrenia
Schizophreniform disorder
Schizotypal personality disorder
Schmitt Gillenwater Kelly syndrome
Schwannomatosis
Schwartz–Jampel syndrome
Sciatica
Scimitar syndrome
Scleredema
Scleroderma
Sclerostin
Scoliosis
Scopophobia
Scotoma
Scott syndrome
Scrapie
Scurvy
Sea-blue histiocytosis
Seasonal affective disorder
Seaver Cassidy syndrome
Seborrheic keratosis
Secernentea
Seckel syndrome
Selective immunoglobulin A deficiency
Selective mutism
Selective serotonin reuptake inhibitor
Selenium
Self-defeating personality disorder
Seminoma
Senescence
Senior–Løken syndrome
Sensenbrenner syndrome
Sensorineural hearing loss
Sensory processing disorder
Senter syndrome
Separation anxiety disorder
Sepsis
Septic arthritis
Septic shock
Septicemic plague
Septo-optic dysplasia
Serpentine fibula-polycystic kidney syndrome
Serum sickness
Setleis syndrome
Severe acute respiratory syndrome
Severe combined immunodeficiency
Sex chromosome disorders
Sex linkage
Sexually transmitted disease
Shapiro syndrome
Sheehan's syndrome
Shellfish poisoning
Shigellosis
Shock (circulatory)
Short bowel syndrome
Short QT syndrome
Short rib – polydactyly syndrome
SHORT syndrome
Short-chain acyl-coenzyme A dehydrogenase deficiency
Shwachman–Diamond syndrome
Shwartzman phenomenon
Sialadenitis
Sialidosis
Sialuria
Sickle-cell disease
Sideroblastic anemia
Siderosis
Silent sinus syndrome
Silicosis
Silver–Russell syndrome
Simpson–Golabi–Behmel syndrome
Singleton Merten syndrome
Sirenomelia
Sitosterolemia
Situs ambiguus
Situs inversus
Sixth nerve palsy
Sjögren's syndrome
Sjögren–Larsson syndrome
Sleepwalking
Sly syndrome
Small cleaved cells
Small-cell carcinoma
Smallpox
Smith–Fineman–Myers syndrome
Smith–Lemli–Opitz syndrome
Smith–Magenis syndrome
Sneddon's syndrome
Social anxiety disorder
Soft-tissue sarcoma
Somatization disorder
Somatostatinoma
Sotos syndrome
Source amnesia
Spasmodic dysphonia
Spasmodic torticollis
Specific phobia
Spermatogenesis arrest
Spherocytosis
Sphingolipidoses
Spina bifida
Spinal and bulbar muscular atrophy
Spinal cord injury
Spinal muscular atrophies
Spinal muscular atrophy
Spinal muscular atrophy with progressive myoclonic epilepsy
Spinal shock
Spinal stenosis
Spinal tumor
Spinocerebellar ataxia
Spirochaete
Spirurida
Splenic disease
Splenic flexure syndrome
Splenomegaly
Spondylitis
Spondyloarthropathy
Spondylocostal dysostosis
Spondyloepimetaphyseal dysplasia
Spondyloepiphyseal dysplasia congenita
Sporotrichosis
Spotted fever
Sprengel's deformity
Squamous-cell carcinoma
St. Anthony's fire
Staphylococcal infection
Staphylococcal scalded skin syndrome
Staphylococcus aureus
Staphylococcus epidermidis
Steatocystoma multiplex
Sternal cleft
Steroid rosacea
Stevens–Johnson syndrome
Stickler syndrome
Stiff person syndrome
Stiff skin syndrome
Stimmler syndrome
Stimulant psychosis
Stomach cancer
Stomatitis
Strabismus
Stratton Parker syndrome
Streptococcal pharyngitis
Strongyloidiasis
Strychnine poisoning
Stucco keratosis
Sturge–Weber syndrome
Stye
Subacute sclerosing panencephalitis
Subvalvular aortic stenosis (non-human)
Succinic semialdehyde dehydrogenase deficiency
Succinyl-CoA:3-oxoacid CoA transferase deficiency
Sucrose intolerance
Sudden cardiac death
Sudden infant death syndrome
Sugarman syndrome
Sulfite oxidase
Superior mesenteric artery syndrome
Susac's syndrome
Swine influenza
Sydenham's chorea
Syncope (medicine)
Syndactyly
Syndrome of inappropriate antidiuretic hormone secretion
Synechia (eye)
Synesthesia
Synovial osteochondromatosis
Synovial sarcoma
Synovitis
Synpolydactyly
Syphilis
Syringobulbia
Syringocystadenoma papilliferum
Syringoma
Syringomyelia
Systemic lupus erythematosus
Systemic primary carnitine deficiency
Systemic scleroderma
Sézary's disease
T-cell acute lymphoblastic leukemia
T-cell lymphoma
T-cell prolymphocytic leukemia
Tachycardia
Taeniasis
Takayasu's arteritis
Tangier disease
Tar acne
TAR syndrome
Tardive dyskinesia
Tarsal tunnel syndrome
Taurodontism
Tay–Sachs disease
Telangiectasia
Temporal lobe epilepsy
Temporomandibular joint dysfunction
Teratoma
Testicular cancer
Tetanus
Tethered spinal cord syndrome
Tetrahydrobiopterin deficiency
Tetralogy of Fallot
Tetraplegia
Thalassemia
Thalidomide
Thin basement membrane disease
Thoracic outlet syndrome
Thrombin
Thromboangiitis obliterans
Thrombocytopenia
Thrombocytosis
Thrombotic thrombocytopenic purpura
Thrombus
Thymic carcinoma
Thymoma
Thyroglossal cyst
Thyroid cancer
Thyroid dysgenesis
Thyroid hormone resistance
Tibialis posterior muscle
Tick paralysis
Tick-borne encephalitis
Tietz syndrome
Tietze syndrome
Tinnitus
TNF receptor associated periodic syndrome
Todd's paresis
Togaviridae
Tokophobia
Tolosa–Hunt syndrome
Toluene toxicity
Tooth and nail syndrome
Tooth fusion
Torsades de pointes
Torticollis
Tourette syndrome
Townes–Brocks syndrome
Toxic epidermal necrolysis
Toxic shock syndrome
Toxiphobia
Toxocariasis
Toxoplasmic chorioretinitis
Toxoplasmosis
Tracheal agenesis
Tracheobronchomalacia
Tracheobronchomegaly
Tracheoesophageal fistula
Trachoma
Transient acantholytic dermatosis
Transient erythroblastopenia of childhood
Transient global amnesia
Transient neonatal diabetes mellitus
Transitional cell carcinoma
Transmissible spongiform encephalopathy
Transposition of the great vessels
Transthyretin-related hereditary amyloidosis
Transverse myelitis
Treacher Collins syndrome
Tree nut allergy
Tremor
Treponema pallidum
Trevor disease
Trichinosis
Tricho-hepato-enteric syndrome
Trichofolliculoma
Trichomoniasis
Trichostasis spinulosa
Trichothiodystrophy
Trichotillomania
Tricho–dento–osseous syndrome
Tricuspid atresia
Tricyclic antidepressant overdose
Trigeminal neuralgia
Trigger finger
Trigonocephaly
Trimethylaminuria
Triosephosphate isomerase deficiency
Triple X syndrome
Triple-A syndrome
Triploid syndrome
Trisomy
Trisomy 16
Trisomy 22
Trisomy 8
Trisomy 9
Tropical acne
Tropical spastic paraparesis
Tropical sprue
Tsukuhara syndrome
Tuber cinereum hamartoma
Tuberculosis
Tuberculous meningitis
Tuberous sclerosis
Tufted angioma
Tularemia
Tummy tuck
Tungiasis
Turner syndrome
Twin-to-twin transfusion syndrome
Type I hypersensitivity
Type I tyrosinemia
Type II hypersensitivity
Type III hypersensitivity
Type IV hypersensitivity
Typhoid fever
Typhus
Tyrosinemia
Tyrosinemia type II
Uhl anomaly
Ulcerative colitis
Ulnar–mammary syndrome
Umbilical cord ulceration and intestinal atresia
Uncombable hair syndrome
Uniparental disomy
Unsafe abortion
Unverricht–Lundborg disease
Upington disease
Urachal cancer
Urachal cyst
Urbach–Wiethe disease
Urban–Rogers–Meyer syndrome
Urea cycle disorder
Uremia
Uridine monophosphate synthetase
Urinary system
Urocanic aciduria
Urofacial syndrome
Urticaria
Urticaria pigmentosa
Urticarial vasculitis
Usher syndrome
Uvea
Uveal melanoma
Uveitis
Vaccine controversies
VACTERL association
Vaginismus
Vaginitis
Van der Woude syndrome
Van Goethem syndrome
Vancomycin-resistant Enterococcus
Varicella zoster virus
Variegate porphyria
Vascular dementia
Vasculitis
Vasovagal response
Vein of Galen aneurysmal malformations
Velopharyngeal inadequacy
Ventricular fibrillation
Ventricular septal defect
Ventricular system
Vernal keratoconjunctivitis
Vertically transmitted infection
Very long-chain acyl-coenzyme A dehydrogenase deficiency
Vestibular schwannoma
Vestibulocochlear dysfunction progressive familial
VIPoma
Viral hemorrhagic fever
Visual agnosia
Vitamin B12 deficiency
Vitamin B6
Vitamin E deficiency
Vitelliform macular dystrophy
Vitiligo
VLDLR-associated cerebellar hypoplasia
Vogt–Koyanagi–Harada syndrome
Von Hippel–Lindau disease
Von Willebrand disease
Vulvodynia
Waardenburg syndrome
Wagner's disease
WAGR syndrome
Waldenström's macroglobulinemia
Waldmann disease
Wallerian degeneration
Wallis–Zieff–Goldblatt syndrome
Wandering spleen
Warfarin necrosis
Warkany syndrome
Wart
Waterhouse–Friderichsen syndrome
Watson syndrome
Weaver syndrome
Webbed neck
Weill–Marchesani syndrome
Weissenbacher–Zweymüller syndrome
Werner syndrome
Wernicke's encephalopathy
Wernicke–Korsakoff syndrome
West Nile virus
Western equine encephalitis virus
Wheat allergy
Whipple's disease
White sponge nevus
Wiedemann-Rautenstrauch syndrome
Wildervanck syndrome
Williams syndrome
Wilms' tumor
Wilson's disease
Wilson–Turner syndrome
Winchester syndrome
Wiskott–Aldrich syndrome
Wolcott–Rallison syndrome
Wolff–Parkinson–White syndrome
Wolfram syndrome
Wolf–Hirschhorn syndrome
Wolman disease
Woodhouse–Sakati syndrome
Worster-Drought syndrome
Worth syndrome
Wrinkly skin syndrome
Writer's cramp
X-linked adrenal hypoplasia congenita
X-linked agammaglobulinemia
X-linked congenital stationary night blindness
X-linked dominant inheritance
X-linked hypophosphatemia
X-linked ichthyosis
X-linked intellectual disability
X-linked lymphoproliferative disease
X-linked recessive chondrodysplasia punctata
X-linked severe combined immunodeficiency
Xanthinuria
Xeroderma
Xeroderma pigmentosum
Xerophthalmia
Xerostomia
XX gonadal dysgenesis
XX male syndrome
XXYY syndrome
XY gonadal dysgenesis
XYY syndrome
Y chromosome
Y chromosome microdeletion
Yaws
Yellow fever
Yellow nail syndrome
Yemenite deaf-blind hypopigmentation syndrome
Yersinia enterocolitica
Yersinia pestis
Yersinia pseudotuberculosis
Yersiniosis
Yim–Ebbin syndrome
Young's syndrome
Young–Simpson syndrome
Yunis–Varon syndrome
Yushō disease
Zadik–Barak–Levin syndrome
Zamzam–Sheriff–Phillips syndrome
ZAP70 deficiency
Zellweger syndrome
Zenker's diverticulum
Zieve's syndrome
Zimmermann–Laband syndrome
Zinc deficiency
Zinc toxicity
Zollinger–Ellison syndrome
Zonular cataract and nystagmus
Zori–Stalker–Williams syndrome
Zunich–Kaye syndrome
Zuska's disease
Zygomycosis