User:Drsalmanshah165/Books/Medical Wikipedia 0-pha
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Medical Wikipedia
- Medicine
- Haemophilia
- Haemophilia B
- Factor IX
- Haemophilia A
- Haemophilia C
- Hepatitis A
- Hepatitis E
- Hepatitis B
- Hepatitis C
- Hepatitis D
- Hepatitis
- Abdominal aortic aneurysm
- Alpha 1-antitrypsin deficiency
- Panniculitis
- Alpha-1 antitrypsin deficiency panniculitis
- Adhesion (medicine)
- Abdominal adhesion
- Scar Tissue
- Scar tissue
- Abdominal pain
- Abdominal cramps
- Hernia
- Abdominal hernia
- Abdominal migraine
- Abdominoplasty
- Tummy tuck
- Ablation
- Dermabrasion
- Wolff–Parkinson–White syndrome
- Otolaryngology
- Radiofrequency ablation
- Ablative brain surgery
- Ablation of atrial fibrillation
- Endometrial ablation
- Abortion
- Miscarriage
- Late termination of pregnancy
- Unsafe abortion
- Abrasion
- Abrasion (medical)
- Abrasion (dental)
- Abrasion (geology)
- Abrasion (mechanical)
- Dental abscess
- Periodontal abscess
- Abscess
- Amenorrhoea
- Physical abuse
- Psychological abuse
- Child sexual abuse
- Child abuse
- Khat
- Abyssinian tea
- Ascites
- Paracetamol
- Paracetamol toxicity
- Achalasia
- Ache
- Achilles tendon rupture
- Achilles tendon
- Achondroplasia
- Dwarfism
- Achondroplastic dwarfism
- Gastroesophageal reflux disease
- Acne vulgaris
- List of cutaneous conditions
- Acneiform rash
- Acneiform eruption
- Acne conglobata
- Acne aestivalis
- Acne cosmetica
- Acne fulminans
- Acne keloidalis nuchae
- Acne mechanica
- Acne medicamentosa
- Acne miliaris necrotica
- Acne with facial edema
- Blepharophyma
- Erythrotelangiectatic rosacea
- Excoriated acne
- Glandular rosacea
- Gnathophyma
- Gram-negative rosacea
- Granulomatous facial dermatitis
- Perioral dermatitis
- Halogen acne
- Hidradenitis suppurativa
- Idiopathic facial aseptic granuloma
- Infantile acne
- Lupoid rosacea
- Lupus miliaris disseminatus faciei
- Metophyma
- Neonatal acne
- Occupational acne
- Oil acne
- Ocular rosacea
- Otophyma
- Periorificial dermatitis
- Persistent edema of rosacea
- Phymatous rosacea
- Periorbital dermatitis
- Pyoderma faciale
- Rhinophyma
- Rosacea
- Rosacea conglobata
- SAPHO syndrome
- Steroid rosacea
- Tar acne
- Tropical acne
- Acne scars
- Acquired brain injury
- Landau–Kleffner syndrome
- Acquired Epileptic Aphasia (landau-kleffner syndrome)
- Acrochordon
- Actinic keratosis
- Actinism
- Acupuncture
- Vestibular schwannoma
- Acoustic neuroma
- Bursitis
- Compartment syndrome
- Acute compartment syndrome
- Hepatitis B virus
- Acute hepatitis B
- Acute intermittent porphyria
- Acute kidney injury
- Acute kidney failure
- Acute lung injury
- Acute respiratory distress syndrome
- Acute lymphoblastic leukemia
- Acute (medicine)
- Acute lymphocytic leukemia
- Acute myeloid leukemia
- Acute megakaryoblastic leukemia
- Acute myeloid leukemia M7
- Acute pancreatitis
- Porphyria
- Acute porphyria
- ARDS
- Addison's disease
- Adenoidectomy
- Adenoid
- Adenoids
- Adenomatous polyposis coli
- Gardner's syndrome
- Familial adenomatous polyposis
- Adenoid cystic carcinoma
- Adenoid squamous-cell carcinoma
- Squamous-cell carcinoma
- Adenoid hypertrophy
- Adenoiditis
- Adenoid basal cell carcinoma
- Basal-cell carcinoma
- Adenoid seborrheic keratosis
- Reticulated seborrheic keratosis
- Adenomyosis
- Adenosine
- Adenovirus infection
- Adolescence
- Adrenal gland
- Adrenal insufficiency
- Adult Brain Tumor
- Brain tumor
- Adult-onset diabetes
- Diabetes mellitus type 2
- Adult-onset Still's disease
- Adult stem cell
- Autism
- Patient Protection and Affordable Care Act
- Affordable Care Act
- Alpha-fetoprotein
- Aganglionosis
- Hirschsprung's disease
- Age spots
- Liver spot
- Age-related macular degeneration
- Macular degeneration
- Ageusia
- Agnosia
- Agoraphobia
- Agranulocytosis
- Agranulocyte
- Agraphobia
- Airsickness bag
- Airsickness
- Alkaptonuria
- ALAD porphyria
- Aminolevulinic acid dehydratase deficiency porphyria
- Albinism
- Alcaptonuria
- Alcohol abuse
- Alcoholism
- Alcohol withdrawal syndrome
- Alcohol dependence
- Alcohol dependence syndrome
- Alcohol intoxication
- Alcohol poisoning
- Asthma
- Allergic asthma
- Allergic conjunctivitis
- Allergy
- Allergic granulomatosis
- Churg–Strauss syndrome
- Vasculitis
- Allergic rhinitis
- Henoch–Schönlein purpura
- Allergic purpura
- Allergic reaction
- Allergic reactions to anaesthesia
- Allergy shots
- Allergen immunotherapy
- Alopecia areata
- Alopecia areata universalis
- Alopecia universalis
- Alopecia areata totalis
- Alopecia totalis
- Alpha-thalassemia
- Alpha-thalassemia mental retardation syndrome
- Alpha-1 proteinase inhibitor
- Alpha-1 related emphysema
- Alpha-galactosidase
- Alpha-galactosidase A deficiency
- Fabry disease
- Alport syndrome
- ALS
- Amyotrophic lateral sclerosis
- ALT test
- Alanine transaminase
- Alveolar osteitis
- Alzheimer's disease
- Antimitochondrial antibody
- Anti-mitochondrial antibody
- Amblyopia
- American trypanosomiasis
- Chagas disease
- Amino acid
- AML
- Diaper rash
- Irritant diaper dermatitis
- Dermatitis
- Amniocentesis
- Amniotic fluid
- Amyloidosis
- Amyloidosis, familial
- Amyloid
- Antinuclear antibody
- Anti-nuclear antibody
- Anal cancer
- Anal fissure
- Anal fistula
- Anal itching
- Pruritus ani
- Anaphylactoid purpura
- Anaphylaxis
- List of diseases (A)
- Aagenaes syndrome
- SHORT syndrome
- Aarskog–Scott syndrome
- Aase syndrome
- ABCD syndrome
- Abasia
- Abdallat–Davis–Farrage syndrome
- Lymphangioma
- Abdominal wall defect
- Abdominal musculature absent with microphthalmia and joint laxity
- Aberrant subclavian artery
- Ablepharon macrostomia syndrome
- Abruzzo–Erickson syndrome
- Absence of gluteal muscle
- Lymphocytopenia
- Disease
- Acanthocheilonemiasis
- Chorea acanthocytosis
- Acanthocyte
- Acanthosis nigricans
- Acatalasia
- Accessory navicular bone
- Accessory pancreas
- Triple-A syndrome
- Achard syndrome
- Achard–Thiers syndrome
- Acheiropodia
- Achondrogenesis
- Achondrogenesis type 1B
- Achondrogenesis type 2
- Achromatopsia
- Glycogen storage disease type II
- Isovaleric acidemia
- Propionic acidemia
- Acitretin
- Ackerman syndrome
- HIV/AIDS
- Ichthyosis acquisita
- Syphilis
- Acrofrontofacionasal dysostosis
- Acrocallosal syndrome
- Oxycephaly
- Acrocyanosis
- Acrodermatitis enteropathica
- Acrodermatitis
- Acrodysostosis
- Apert syndrome
- Nager acrofacial dysostosis
- Acrokeratoelastoidosis of Costa
- Acromegaly
- Acromicric dysplasia
- Acropectoral syndrome
- Acrophobia
- Acrospiroma
- Adrenocorticotropic hormone deficiency
- Glucocorticoid deficiency 1
- Atelectasis
- Actinomycosis
- Activated protein C resistance
- Isotretinoin
- Panic attack
- Rheumatism
- Febrile neutrophilic dermatosis
- Gout
- Guillain–Barré syndrome
- Acute monocytic leukemia
- Altitude sickness
- Acute myeloblastic leukemia
- Minimally differentiated acute myeloblastic leukemia
- Acute myeloblastic leukemia with maturation
- Acute myeloblastic leukemia without maturation
- Acute myelomonocytic leukemia
- Acute necrotizing ulcerative gingivitis
- Acute posterior multifocal placoid pigment epitheliopathy
- Acute promyelocytic leukemia
- Acute tubular necrosis
- Medium-chain acyl-coenzyme A dehydrogenase deficiency
- Short-chain acyl-coenzyme A dehydrogenase deficiency
- Very long-chain acyl-coenzyme A dehydrogenase deficiency
- Amniotic band constriction
- Adams–Nance syndrome
- Adams–Oliver syndrome
- Adducted thumb syndrome
- Adenine phosphoribosyltransferase deficiency
- Adenocarcinoma of the lung
- Adenoma
- Adenosine deaminase deficiency
- Adenosine Monophosphate Deaminase Deficiency type 1
- Adenylosuccinate lyase deficiency
- Adie syndrome
- Adiposis dolorosa
- Adrenal tumor
- Adrenal gland disorder
- Adrenocortical hyperfunction
- Congenital adrenal hyperplasia
- Hypertension
- X-linked adrenal hypoplasia congenita
- Incidentaloma
- Adrenocortical carcinoma
- Adrenoleukodystrophy
- Muscular dystrophy
- Adult attention deficit hyperactivity disorder
- Spinal muscular atrophy
- Advanced sleep phase disorder
- Aerosinusitis
- African trypanosomiasis
- Congenital afibrinogenemia
- Senescence
- Aggressive fibromatosis
- Micrognathism
- Visual agnosia
- Agraphia
- Lissencephaly
- Hyperprolactinaemia
- Aicardi syndrome
- Aicardi–Goutières syndrome
- HIV-associated neurocognitive disorder
- Ainhum
- Alagille syndrome
- Albinism–deafness syndrome
- Chédiak–Higashi syndrome
- Albright's hereditary osteodystrophy
- McCune–Albright syndrome
- Fetal alcohol syndrome
- Alcoholic hepatitis
- Cirrhosis
- Aldolase A deficiency
- Allan–Herndon–Dudley syndrome
- Allergic bronchopulmonary aspergillosis
- Hair loss
- Alopecia contractures dwarfism mental retardation
- Alpers' disease
- Alpha-mannosidosis
- Alström syndrome
- Alternating hemiplegia
- Alternating hemiplegia of childhood
- Pneumoconiosis
- Alveolar capillary dysplasia
- Alveolar hydatid disease
- Alveolar soft part sarcoma
- Hypersensitivity pneumonitis
- Early-onset Alzheimer's disease
- Leber's congenital amaurosis
- Hypertrichosis
- Amoebiasis
- Amelia (birth defect)
- Yim–Ebbin syndrome
- Amelogenesis
- Amelogenesis imperfecta
- Amnesia
- Anterograde amnesia
- Childhood amnesia
- Psychogenic amnesia
- Drug-induced amnesia
- Lacunar amnesia
- Retrograde amnesia
- Source amnesia
- Transient global amnesia
- Anaplasmosis
- Anaplastic thyroid cancer
- Androgen insensitivity syndrome
- Anemia
- Diamond–Blackfan anemia
- Congenital hypoplastic anemia
- Sideroblastic anemia
- Anencephaly
- Aneurysm of sinus of Valsalva
- Intracranial aneurysm
- Aneurysm
- Angioimmunoblastic T-cell lymphoma
- Angiolipoma
- Angioma
- Angiomatosis
- Angiosarcoma
- Angiostrongyliasis
- Strongyloidiasis
- Aniridia
- Aniridia ataxia renal agenesis psychomotor retardation
- Anisakis
- Ankylosing spondylitis
- Ankylosis
- Hookworm
- Annular pancreas
- Annuloaortic ectasia
- Anomic aphasia
- Anodontia
- Anonychia
- Microcephaly
- Anophthalmia
- Anorchia
- Imperforate anus
- Anorexia nervosa
- Anorgasmia
- Anotia
- Anterior horn disease
- Anthrax
- Antiphospholipid syndrome
- Antisocial personality disorder
- Antisynthetase syndrome
- Antithrombin
- Antley–Bixler syndrome
- Anton–Babinski syndrome
- Aortic aneurysm
- Interrupted aortic arch
- Coarctation of the aorta
- Aortic dissection
- Aortic valve stenosis
- Aortic window
- Aphalangia
- Aphthous stomatitis
- Fear of bees
- Aplasia cutis congenita
- Aplasia
- Aplastic anemia
- Reticulocytopenia
- Apparent mineralocorticoid excess syndrome
- Roberts syndrome
- Appendicitis
- Apraxia
- Apudoma
- Aqueductal stenosis
- Arachnodactyly
- Arachnoid cyst
- Arachnoiditis
- Arakawa's syndrome II
- Arbovirus
- Arthrogryposis–renal dysfunction–cholestasis syndrome
- Argentine hemorrhagic fever
- AREDYLD syndrome
- Argininemia
- Citrullinemia
- Argininosuccinic aciduria
- Arrhinia
- Arnold–Chiari malformation
- Aromatase deficiency
- Aromatase excess syndrome
- Arrhythmogenic right ventricular dysplasia
- Arsenic poisoning
- Arterial tortuosity syndrome
- Arteriovenous malformation
- Arteritis
- Juvenile idiopathic arthritis
- Arthritis
- Arthrogryposis
- Metachromatic leukodystrophy
- Ascariasis
- Ascher's syndrome
- Aseptic meningitis
- Asherman's syndrome
- Ashman phenomenon
- Aspartylglucosaminuria
- Aspergillosis
- Asperger syndrome
- Perinatal asphyxia
- Asplenia
- Astasis
- Astasia-abasia
- Astigmatism (eye)
- Astrocytoma
- Astrovirus
- Hypertrophic cardiomyopathy
- Ataxia
- Ataxia telangiectasia
- Atelosteogenesis, type II
- Atherosclerosis
- Athetosis
- Athlete's foot
- Atopic dermatitis
- Atresia
- Intestinal atresia
- Atrial myxoma
- Atrioventricular fistula
- Atrioventricular septal defect
- Atrial septal defect
- Atrophic vaginitis
- Atrophoderma
- Atrophy
- Morphea
- Attention deficit hyperactivity disorder
- Lipodystrophy
- Auditory processing disorder
- Autoimmune hemolytic anemia
- Autoimmune hepatitis
- Autoimmune polyendocrine syndrome
- Dysautonomia
- Avoidant personality disorder
- Osteomalacia
- Ayazi syndrome
- Peripheral neuropathy
- Osteosclerosis
- Congenital adrenal hyperplasia due to 11β-hydroxylase deficiency
- Distal Trisomy 10q
- Congenital adrenal hyperplasia due to 17 alpha-hydroxylase deficiency
- 17-beta-hydroxysteroid dehydrogenase deficiency
- 17q21.31 microdeletion syndrome
- Distal 18q-
- 1p36 deletion syndrome
- 2-Hydroxyglutaric aciduria
- Congenital adrenal hyperplasia due to 21-hydroxylase deficiency
- DiGeorge syndrome
- Congenital adrenal hyperplasia due to 3 beta-hydroxysteroid dehydrogenase deficiency
- 3 hydroxyisobutyric aciduria
- 3-Methylcrotonyl-CoA carboxylase deficiency
- 3-hydroxy-3-methylglutaryl-CoA lyase deficiency
- 3-hydroxyacyl-coenzyme A dehydrogenase deficiency
- 3-Methylglutaconic aciduria
- 3C syndrome
- 3-M syndrome
- Hawkinsinuria
- Optic neuropathy
- XX gonadal dysgenesis
- Klinefelter syndrome
- XYY syndrome
- Triple X syndrome
- 48, XXXX
- XXYY syndrome
- 49, XXXXX
- 49, XXXXY syndrome
- 5-alpha-reductase deficiency
- Cri du chat
- Chromosome 5q deletion syndrome
- 6-Pyruvoyltetrahydropterin synthase deficiency
- Smith–Lemli–Opitz syndrome
- 8p23.1 duplication syndrome
- 9q34 deletion syndrome
- Babesiosis
- Bacillus cereus
- Foodborne illness
- Gastroenteritis
- Meningitis
- Bacterial pneumonia
- Bacterial vaginosis
- Auditory brainstem response
- Brachydactyly
- Balantidiasis
- Infective endocarditis
- Neurofibromatosis type II
- Bangstad syndrome
- Bannayan–Riley–Ruvalcaba syndrome
- African iron overload
- Banti's syndrome
- Barbiturate dependence
- Barbiturate overdose
- Bardet–Biedl syndrome
- Bare lymphocyte syndrome
- Baritosis
- Barrett's esophagus
- Barth syndrome
- Bare lymphocyte syndrome 2
- Bartonella
- Multiple pterygium syndrome
- Bartter syndrome
- Basal ganglia disease
- Migraine
- Bathophobia
- Fear of frogs
- Batten disease
- Bazex–Dupré–Christol syndrome
- Lymphoma
- Congenital contractural arachnodactyly
- Myotonia congenita
- Becker's muscular dystrophy
- Becker's nevus
- Short rib – polydactyly syndrome
- Behçet's disease
- Behr syndrome
- Nonvenereal endemic syphilis
- Bell's palsy
- Pilocytic astrocytoma
- Hypotonia
- Blepharospasm
- Essential tremor
- Thin basement membrane disease
- Benign fasciculation syndrome
- Cicatricial pemphigoid
- Benign paroxysmal positional vertigo
- Benzodiazepine dependence
- Benzodiazepine overdose
- Benzodiazepine withdrawal syndrome
- Congenital generalized lipodystrophy
- Berdon syndrome
- IgA nephropathy
- Nijmegen breakage syndrome
- Beriberi
- Berylliosis
- Beta-ketothiolase deficiency
- Beta-mannosidosis
- Beta thalassemia
- Promoter (genetics)
- Bethlem myopathy
- Bhaskar–Jagannathan syndrome
- Glycogen storage disease type XI
- Bicuspid aortic valve
- Biemond syndrome
- Potter sequence
- Renal agenesis
- Biliary atresia
- Primary biliary cirrhosis
- Cholangiocarcinoma
- Binswanger's disease
- Bipolar disorder
- Bipolar I disorder
- Bipolar II disorder
- Biotin deficiency
- Biotinidase deficiency
- Birdshot chorioretinopathy
- Birt–Hogg–Dubé syndrome
- Björnstad syndrome
- BK virus
- Black piedra
- Bladder cancer
- Blastoma
- Blastomycosis
- Blepharitis
- Pashayan syndrome
- Blepharophimosis
- Black Death
- Coagulopathy
- Platelet
- Bloom syndrome
- Blount's disease
- Monochromacy
- Blue diaper syndrome
- Blue rubber bleb nevus syndrome
- Body dysmorphic disorder
- Boil
- Bolivian hemorrhagic fever
- Osteogenesis imperfecta
- Bone marrow failure
- Bone tumor
- Turner syndrome
- Boomerang dysplasia
- Borderline personality disorder
- Lyme disease
- Botulism
- Tuberous sclerosis
- Bowen's disease
- Bowenoid papulosis
- Diphyllobothrium
- Cornelia de Lange Syndrome
- Hypokinesia
- Cavernous hemangioma
- Branchio-oculo-facial syndrome
- Branchio-oto-renal syndrome
- Brazilian hemorrhagic fever
- Breast cancer
- Hereditary breast–ovarian cancer syndrome
- Brief psychotic disorder
- Bright's disease
- Familial dysbetalipoproteinemia
- Olfactory reference syndrome
- Bronchiectasis
- Bronchiolitis obliterans organizing pneumonia
- Bronchitis
- Bronchopulmonary dysplasia
- Brown's syndrome
- Brown-Séquard syndrome
- Brucellosis
- Bruck syndrome
- X-linked agammaglobulinemia
- Bubonic plague
- Budd–Chiari syndrome
- Thromboangiitis obliterans
- Bulimia nervosa
- Bullous pemphigoid
- Burkitt's lymphoma
- Burning mouth syndrome
- Buruli ulcer
- Buschke–Ollendorff syndrome
- Byssinosis
- Angioedema
- Medullary sponge kidney
- Café au lait spot
- Caffeine-induced sleep disorder
- Infantile cortical hyperostosis
- CREST syndrome
- Calciphylaxis
- Calculus (medicine)
- Calcinosis cutis
- CAMFAK syndrome
- Campylobacteriosis
- Camurati–Engelmann disease
- Canavan disease
- Cancer
- Candidiasis
- Canine distemper
- Cannabis dependence
- Effects of cannabis
- Canga's bead symptom
- Caplan's syndrome
- Ornithine translocase deficiency
- Congenital disorder of glycosylation
- Carcinoid syndrome
- Cardiac amyloidosis
- Cardiac arrest
- Cardiac tamponade
- Cardiofaciocutaneous syndrome
- Cardiomyopathy
- Dilated cardiomyopathy
- Restrictive cardiomyopathy
- Caregiver syndrome
- Carney complex
- Systemic primary carnitine deficiency
- Carnitine palmitoyltransferase I deficiency
- Carnitine palmitoyltransferase II deficiency
- Carnitine-acylcarnitine translocase deficiency
- Carnosinemia
- Caroli disease
- Carotenosis
- Carotid artery dissection
- Carpal tunnel syndrome
- Carpenter syndrome
- Eosinophilic pneumonia
- Cartilage–hair hypoplasia
- Castleman's disease
- Cat eye syndrome
- Cat scratch disease
- Cataract
- Congenital cataract
- Catel–Manzke syndrome
- Caudal regression syndrome
- Complex regional pain syndrome
- Cavernous sinus thrombosis
- Asymmetric crying facies
- Ondine's curse
- Gluten-sensitive enteropathy-associated conditions
- Coeliac disease
- Cenani–Lenz syndactylism
- Central core disease
- Neurogenic diabetes insipidus
- Central serous retinopathy
- Centronuclear myopathy
- Farber disease
- Astraphobia
- Cerebellar hypoplasia
- Cerebral amyloid angiopathy
- CADASIL syndrome
- Sotos syndrome
- Cerebral hypoxia
- Cerebral palsy
- Thrombus
- Ventricular system
- Cockayne syndrome
- Neuronal ceroid lipofuscinosis
- Cervical cancer
- Spinal stenosis
- Klippel–Feil syndrome
- Chalazion
- Neutral lipid storage disease
- Chancroid
- Iridocorneal endothelial syndrome
- Tachycardia
- Charcot disease
- Charcot–Marie–Tooth disease
- CHARGE syndrome
- Fahr's syndrome
- Cheilitis
- Paraganglioma
- Chemophobia
- Ho–Kaufman–Mcalister syndrome
- Cherubism
- Chickenpox
- Chikungunya
- CHILD syndrome
- Childhood disintegrative disorder
- Psoriasis
- Chimera (genetics)
- Glutamate flavoring
- Chlamydia trachomatis
- Chlamydia infection
- Chlamydophila pneumoniae
- Primary sclerosing cholangitis
- Cholecystitis
- Gallstone
- Cholemia
- Cholera
- Progressive familial intrahepatic cholestasis
- Cholestasis
- Cholesteryl ester storage disease
- Lipid pneumonia
- Chondroblastoma
- Chondrocalcinosis
- X-linked recessive chondrodysplasia punctata
- Chondrodysplasia punctata
- Chondrodystrophy
- Ellis–van Creveld syndrome
- Chondroma
- Chondromalacia patellae
- Chondrosarcoma
- Chordoma
- Sydenham's chorea
- Chorea
- Paroxysmal nonkinesigenic dyskinesia
- Choriocarcinoma
- Chorioretinitis
- Choroid plexus cyst
- Choroid plexus papilloma
- Choroideremia
- Chromhidrosis
- Chromoblastomycosis
- Renal cell carcinoma
- Trisomy
- Chromosome 15q partial deletion
- Chromosome 15q trisomy
- Trisomy 16
- Ring 18
- Edwards syndrome
- 2q37 monosomy
- Ring chromosome 20 syndrome
- Trisomy 22
- Trisomy 8
- Trisomy 9
- Chronic obstructive pulmonary disease
- Peptic ulcer
- Chronic fatigue syndrome
- Chronic granulomatous disease
- Hiccup
- Chronic inflammatory demyelinating polyneuropathy
- B-cell chronic lymphocytic leukemia
- Chronic mountain sickness
- Chronic myelogenous leukemia
- Chronic myelomonocytic leukemia
- Polyradiculoneuropathy
- Chronic recurrent multifocal osteomyelitis
- Chronic kidney disease
- Spasmodic dysphonia
- Neonatal onset multisystem inflammatory disease
- Neutropenia
- Ciguatera
- Cinchonism
- Capillary leak syndrome
- Cleft lip and palate
- Cleidocranial dysostosis
- Cloacal exstrophy
- Clouston's hidrotic ectodermal dysplasia
- Club foot
- Cluster headache
- Cytomegalovirus
- Coalworker's pneumoconiosis
- Coats' disease
- Cocaine dependence
- Cocaine intoxication
- Coccidioidomycosis
- Coffin–Lowry syndrome
- Coffin–Siris syndrome
- Cogan syndrome
- Cohen syndrome
- Cold agglutinin disease
- Cold antibody hemolytic anemia
- Urticaria
- Colitis
- Connective tissue disease
- Collagenous colitis
- Coloboma
- Hereditary nonpolyposis colorectal cancer
- Malakoplakia
- Color blindness
- Colorado tick fever
- Combined hyperlipidemia
- Common cold
- Common variable immunodeficiency
- Complement component 2
- Complement receptor 1
- Conduct disorder
- Conductive hearing loss
- Genital wart
- Condylomata lata
- Cone dystrophy
- Lipoid congenital adrenal hyperplasia
- Congenital amputation
- Congenital pulmonary airway malformation
- Hearing loss
- Congenital diaphragmatic hernia
- Congenital dyserythropoietic anemia
- Gunther disease
- Möbius syndrome
- Congenital fiber type disproportion
- Infantile myofibromatosis
- Megaureter
- Congenital heart defect
- Congenital hemolytic anemia
- Congenital hepatic fibrosis
- Herpes simplex virus
- Congenital hypothyroidism
- Ichthyosis
- Congenital ichthyosiform erythroderma
- Congenital insensitivity to pain with anhidrosis
- Mesoblastic nephroma
- Microvillous inclusion disease
- Mitral valve stenosis
- Mumps
- Congenital myopathy
- Congenital nephrotic syndrome
- Congenital rubella syndrome
- Hereditary spherocytosis
- Congenital syphilis
- Toxoplasmosis
- Heart failure
- Conjunctivitis
- GJB2
- Conn's syndrome
- Conradi–Hünermann syndrome
- Constitutional growth delay
- Bronchiolitis obliterans
- Contact dermatitis
- Allergic contact dermatitis
- Irritant contact dermatitis
- Conversion disorder
- Cooks syndrome
- Thalassemia
- Menkes disease
- Cor pulmonale
- Cor triatriatum
- Corneal dystrophy
- Corneodermatoosseous syndrome
- Coronary artery aneurysm
- Coronary artery disease
- Agenesis of the corpus callosum
- Cortical dysplasia
- Corticobasal degeneration
- Costello syndrome
- Costochondritis
- Tietze syndrome
- Robinow syndrome
- Cystic hygroma
- Cowden syndrome
- Cowpox
- Cramp
- Cramp fasciculation syndrome
- Crandall syndrome
- Craniodiaphyseal dysplasia
- Crouzon syndrome
- Craniofrontonasal dysplasia
- Craniosynostosis
- Creatine
- Spirurida
- Cretinism
- Creutzfeldt–Jakob disease
- Crigler–Najjar syndrome
- CRLF1
- Crohn's disease
- Crome syndrome
- Cronkhite–Canada syndrome
- Croup
- Crouzonodermoskeletal syndrome
- POEMS syndrome
- Cryoglobulinemia
- Cryptococcosis
- Cryptosporidiosis
- Crystal arthropathy
- Currarino syndrome
- Cushing's syndrome
- Cutaneous larva migrans
- Lupus erythematosus
- Cutaneous T cell lymphoma
- Cutaneous small-vessel vasculitis
- Cutis laxa
- De Barsy syndrome
- Cutis marmorata telangiectatica congenita
- Cutis verticis gyrata
- Cyclic neutropenia
- Cyclic vomiting syndrome
- Cyclosporiasis
- Cyclothymia
- Cystic fibrosis
- Cystinosis
- Cystinuria
- Cytochrome c oxidase
- Daentl Towsend Siegel syndrome
- Dahlberg Borer Newcomer syndrome
- Dandy–Walker syndrome
- Darier's disease
- DeSanctis–Cacchione syndrome
- Peeling skin syndrome
- Heterophoria
- Deep vein thrombosis
- Degos disease
- Dejerine–Sottas disease
- Delayed ejaculation
- Delayed sleep phase disorder
- Delirium tremens
- Delusional disorder
- Delirium
- Oculocerebrocutaneous syndrome
- Dementia
- Familial British dementia
- Frontotemporal dementia
- Alcohol-related dementia
- Dementia pugilistica
- Vascular dementia
- Dementia with Lewy bodies
- Demyelinating disease
- Mange
- Dengue fever
- Dent's disease
- Dental caries
- Dental fluorosis
- Dentatorubral-pallidoluysian atrophy
- Dentin dysplasia
- Dentinogenesis imperfecta
- Dental phobia
- Dependent personality disorder
- Depersonalization disorder
- Major depressive disorder
- Depressive personality disorder
- Ectodermal dysplasia
- Dermatitis herpetiformis
- Dermatographic urticaria
- Benign fibrous histiocytoma
- Dermatomyositis
- Dermatopathia pigmentosa reticularis
- Dermatophytid
- Dermatophytosis
- Dermoodontodysplasia
- Larsen syndrome
- Desmin-related myofibrillar myopathy
- Desmoplastic small-round-cell tumor
- Developmental coordination disorder
- Dyslexia
- Neuromyelitis optica
- D-Glyceric acidemia
- Diabetes insipidus
- Nephrogenic diabetes insipidus
- Diabetes mellitus
- Diabetes mellitus type 1
- Diabetic angiopathy
- Diabetic nephropathy
- Diabetic neuropathy
- Diastematomyelia
- Diastrophic dysplasia
- Lysinuric protein intolerance
- Dicarboxylic aminoaciduria
- Diethylstilbestrol
- Diffuse idiopathic skeletal hyperostosis
- Diffuse neonatal hemangiomatosis
- Diffuse panbronchiolitis
- Interstitial lung disease
- Digoxin toxicity
- Dihydropyrimidine dehydrogenase deficiency
- Diphallia
- Diphtheria
- Diplopia
- Disaccharidase
- Discoid lupus erythematosus
- Disinhibited attachment disorder
- Perifolliculitis capitis abscedens et suffodiens
- Dissociative disorder
- Fugue state
- Dissociative identity disorder
- Distal muscular dystrophy
- Fasciolosis
- Diverticulitis
- Diverticulosis
- Phocomelia
- Ichthyosis vulgaris
- Donnai–Barrow syndrome
- DOOR syndrome
- Dopamine beta hydroxylase deficiency
- Transposition of the great vessels
- Double outlet right ventricle
- Down syndrome
- Doxorubicin
- Dracunculiasis
- Duane syndrome
- Dubowitz syndrome
- Duchenne muscular dystrophy
- Dubin–Johnson syndrome
- Duodenal atresia
- Dupuytren's contracture
- Occupational lung disease
- Dysbarism
- Dyscalculia
- Dyschromatosis universalis hereditaria
- Meckel syndrome
- VLDLR-associated cerebellar hypoplasia
- Congenital dyserythropoietic anemia type I
- Congenital dyserythropoietic anemia type II
- Congenital dyserythropoietic anemia type III
- Dysferlinopathy
- Dysfibrinogenemia
- Dysgerminoma
- Dysgraphia
- Dyskeratosis congenita
- Tardive dyskinesia
- Dyskinesia
- Myelin
- Dysostosis
- Dyspareunia
- Trevor disease
- Dysplasia
- Dysplastic nevus syndrome
- Thrombin
- Dysthymia
- Dystonia
- Myotonic dystrophy
- Epidermolysis bullosa dystrophica
- Ebola virus disease
- Echovirus
- Ectopia cordis
- Ectopia lentis
- Ectopic pregnancy
- Ectrodactyly
- Ectrodactyly–ectodermal dysplasia–cleft syndrome
- EEM syndrome
- Egg allergy
- Ehlers–Danlos syndrome
- Ehrlichiosis
- Eiken syndrome
- Eisenmenger's syndrome
- Ekbom syndrome
- Elective mutism
- Elejalde syndrome
- Proteus syndrome
- Elephantiasis
- Emery–Dreifuss muscular dystrophy
- Emetophobia
- Empty sella syndrome
- Encephalitis
- Encephalitis lethargica
- Encephalocele
- Encephalomyelitis
- Sturge–Weber syndrome
- Enchondromatosis
- Encopresis
- Endocardial fibroelastosis
- Endocarditis
- Endocrinology
- Endometrial stromal sarcoma
- Endometriosis
- Hypereosinophilic syndrome
- Aichmophobia
- Enolase deficiency
- Enterobiasis
- Entomophthoramycosis
- Enuresis
- Bothrops lanceolatus
- Eosinophilia–myalgia syndrome
- Eosinophilic cystitis
- Eosinophilic fasciitis
- Eosinophilic gastroenteritis
- Eosinophilic granuloma
- Eosinophilic folliculitis
- Fear of daylight
- Primitive neuroectodermal tumor
- Ependymoma
- Epicondylitis
- Epidermodysplasia verruciformis
- Epidermolysis bullosa acquisita
- Junctional epidermolysis bullosa (medicine)
- Epidermolysis bullosa
- Epidermolytic hyperkeratosis
- Epididymitis
- Epilepsia partialis continua
- Epilepsy
- Benign familial neonatal seizures
- Absence seizure
- Progressive myoclonus epilepsy
- Galactose epimerase deficiency
- Pacman dysplasia
- Epithelial-myoepithelial carcinoma
- Erythropoietic protoporphyria
- Infectious mononucleosis
- Equinophobia
- Erb's palsy
- Erdheim–Chester disease
- Ergophobia
- Erosive pustular dermatitis of the scalp
- Erysipelas
- Erythema multiforme
- Erythema nodosum
- Erythromelalgia
- Erythroblastopenia
- Erythrokeratodermia with ataxia
- Erythrokeratodermia variabilis
- Keratolytic winter erythema
- Erythroplakia
- Erythroplasia of Queyrat
- Pathogenic Escherichia coli
- Esophageal atresia
- Esophagus
- Esophageal cancer
- Esophageal varices
- Esophoria
- Esotropia
- Essential fatty acid
- Essential hypertension
- Thrombocytopenia
- Essential thrombocythaemia
- Esthesioneuroblastoma
- Organic acidemia
- Hypogonadism
- Evans syndrome
- Ewing's sarcoma
- Exencephaly
- Erythroderma
- Serpentine fibula-polycystic kidney syndrome
- Exophoria
- Exophthalmos
- Hereditary multiple exostoses
- Exostosis
- Exotropia
- Experimental autoimmune encephalomyelitis
- Exploding head syndrome
- Bladder exstrophy
- Movement disorder
- FACES syndrome
- Facial cleft
- Seaver Cassidy syndrome
- Facial nerve paralysis
- Facioscapulohumeral muscular dystrophy
- Factor V
- Factor V Leiden
- Factor VII
- Factor X
- Factor XI
- Factor XIII
- Factor XIII deficiency
- Multiple epiphyseal dysplasia
- Tetralogy of Fallot
- Transthyretin-related hereditary amyloidosis
- Familial aortic dissection
- Cold urticaria
- Colorectal cancer
- Familial dysautonomia
- Lipoprotein lipase deficiency
- Hyperlipidemia
- Familial hypertriglyceridemia
- Hypopituitarism
- Familial Mediterranean fever
- Periodic paralysis
- Treacher Collins syndrome
- Catecholaminergic polymorphic ventricular tachycardia
- Fan death
- Fanconi anemia
- Fanconi syndrome
- Farmer's lung
- Fatal familial insomnia
- Fatty liver
- Fazio–Londe disease
- Febrile seizure
- Fechtner syndrome
- Feingold syndrome
- Felty's syndrome
- Intersex
- Female sexual arousal disorder
- Femur fibula ulna syndrome
- Congenital cytomegalovirus infection
- Fetal hydantoin syndrome
- Methylmercury
- Hydrops fetalis
- Thalidomide
- Fetal warfarin syndrome
- FG syndrome
- Fibrochondrogenesis
- Hamartoma
- Fibroma
- Fibromatosis
- Fibromuscular dysplasia
- Fibromyalgia
- Fibrosarcoma
- Idiopathic pulmonary fibrosis
- Mediastinitis
- Fibrosis
- Fibrous dysplasia of bone
- Fibrodysplasia ossificans progressiva
- Fifth disease
- Filariasis
- Lattice corneal dystrophy
- Fish-eye disease
- Fissured tongue
- Fitz-Hugh–Curtis syndrome
- Fitzsimmons–Guilbert syndrome
- Pseudomonas oryzihabitans
- Necrotizing fasciitis
- Floater
- Floating-Harbor syndrome
- Endosalpingiosis
- Fluorosis
- Flynn–Aird syndrome
- Focal dermal hypoplasia
- Focal dystonia
- Focal facial dermal dysplasia
- Foix–Chavany–Marie syndrome
- Foix–Alajouanine syndrome
- Follicular lymphoma
- Glycogen storage disease type III
- Foreign accent syndrome
- Formaldehyde
- Fountain syndrome
- Fournier gangrene
- Fox–Fordyce disease
- Fragile X syndrome
- Franceschetti–Klein syndrome
- Hallermann–Streiff syndrome
- Fraser syndrome
- Frasier syndrome
- Infantile free sialic acid storage disease
- Freeman–Sheldon syndrome
- Freiberg disease
- Frey's syndrome
- Friedreich's ataxia
- Adiposogenital dystrophy
- Frontonasal dysplasia
- Hereditary fructose intolerance
- Fructose 1,6-bisphosphatase
- Essential fructosuria
- Fucosidosis
- Fukuyama congenital muscular dystrophy
- Fumarase deficiency
- Neuroendocrine tumor
- Myiasis
- Tooth fusion
- List of diseases (G)
- Galactorrhea
- Galactocele
- Galactokinase deficiency
- Galactorrhea hyperprolactinemia
- Morquio syndrome
- Galactose-1-phosphate uridylyltransferase deficiency
- Galactosemia
- Galloway Mowat syndrome
- Hyperkalemic periodic paralysis
- Ganglioglioma
- Gangliosidosis
- GM2 gangliosidoses
- GM1 gangliosidoses
- Ganser syndrome
- GAPO syndrome
- Painful bruising syndrome
- Nissen fundoplication
- Gastric dumping syndrome
- Gastric lymphoma
- Gastrocutaneous syndrome
- Gastrointestinal cancer
- Gaucher's disease
- Narcolepsy
- Weill–Marchesani syndrome
- Gender identity disorder
- Miller syndrome
- Generalized anxiety disorder
- Thyroid hormone resistance
- Generalised epilepsy
- Koro (medicine)
- Genu varum
- Genuphobia
- Geographic tongue
- Fetal trimethadione syndrome
- Gerodermia osteodysplastica
- Gerstmann syndrome
- Gestational diabetes
- Gestational pemphigoid
- Gestational trophoblastic disease
- Gianotti–Crosti syndrome
- Giant axonal neuropathy
- Giant-cell arteritis
- Idiopathic giant-cell myocarditis
- Congenital melanocytic nevus
- Giant platelet disorder
- Giardiasis
- Gigantism
- Gilbert's syndrome
- Tourette syndrome
- Gingivitis
- Gitelman syndrome
- Glanzmann's thrombasthenia
- Glaucoma
- Glioblastoma multiforme
- Glioma
- Gliomatosis cerebri
- Gliosarcoma
- Glomerulonephritis
- Glomerulosclerosis
- Glossophobia
- Glucagonoma
- Glucose-6-phosphate dehydrogenase deficiency
- Glucose-galactose malabsorption
- Glutaric aciduria type 1
- Glutathione synthetase deficiency
- Glycogen storage disease
- Glycogen storage disease type I
- Glycogen storage disease type VI
- Phosphofructokinase deficiency
- Glycogen storage disease type V
- Glycogen storage disease type IV
- Glycogen storage disease type 0
- Glycosuria
- GMS syndrome
- Goitre
- Goldenhar syndrome
- Gonadal dysgenesis
- Mixed gonadal dysgenesis
- XY gonadal dysgenesis
- Neisseria gonorrhoeae
- Goodpasture syndrome
- Gorham's disease
- Acrogeria
- Gougerot–Blum syndrome
- Graft-versus-host disease
- Granulocyte
- Granuloma annulare
- Lymphomatoid granulomatosis
- Graves' disease
- Gray platelet syndrome
- Hydrops-ectopic calcification-moth-eaten skeletal dysplasia
- Transient acantholytic dermatosis
- Growth hormone deficiency
- Guanidinoacetate methyltransferase deficiency
- Gymnophobia
- Gynecomastia
- Factor XII
- Hagemoser–Weinstein–Bresnick syndrome
- Hailey–Hailey disease
- Hairy cell leukemia
- Hairy palms and soles
- Black hairy tongue
- Hajdu–Cheney syndrome
- Halal syndrome
- Pantothenate kinase-associated neurodegeneration
- Hallucinogen persisting perception disorder
- Bunion
- Nevus sebaceous
- HOXA13
- Rett syndrome
- Hand, foot and mouth disease
- Hand–Schüller–Christian disease
- Tyrosinemia type II
- Harding ataxia
- Harlequin-type ichthyosis
- Harpaxophobia
- Hartnup disease
- Hashimoto's thyroiditis
- Congenital self-healing reticulohistiocytosis
- Hay–Wells syndrome
- Aneurysm of heart
- Myocardial infarction
- Heart block
- Dextrocardia
- Primary tumors of the heart
- Heavy metal (chemistry)
- HEC syndrome
- Heliophobia
- HELLP syndrome
- Helminthiasis
- Hemangioblastoma
- Hemangioendothelioma
- Kasabach–Merritt syndrome
- Hemangioma
- Hemangiopericytoma
- Hemifacial microsomia
- Megalencephaly
- Hemiplegia
- Familial hemiplegic migraine
- Iron overload
- HFE hereditary haemochromatosis
- Juvenile hemochromatosis
- Haemochromatosis type 3
- Ferroportin
- Hemoglobin C
- Hemoglobin E
- Hemoglobinopathy
- Hemoglobinuria
- Hemolytic-uremic syndrome
- Hemophagocytic lymphohistiocytosis
- Blood phobia
- Hantavirus hemorrhagic fever with renal syndrome
- Hemorrhoid
- Bernard–Soulier syndrome
- Hemosiderosis
- Hemothorax
- Hennekam syndrome
- Hepadnaviridae
- Heparin-induced thrombocytopenia
- Hepatic encephalopathy
- Hepatic veno-occlusive disease
- Hepatoblastoma
- Hepatocellular carcinoma
- Hepatorenal syndrome
- Type I tyrosinemia
- Herpes simplex
- Hereditary angioedema
- Hereditary coproporphyria
- Hereditary elliptocytosis
- Hereditary hemorrhagic telangiectasia
- Hyperuricemia
- Methemoglobinemia
- Hereditary pancreatitis
- Hereditary spastic paraplegia
- Hermansky–Pudlak syndrome
- Hermaphrodite
- Herpangina
- Herpesviral encephalitis
- Herpesviridae
- Neonatal herpes simplex
- Ramsay Hunt syndrome type II
- Herpes zoster
- Herpes B virus
- Herpes of the eye
- Herpetophobia
- Homophobia
- Situs ambiguus
- TNF receptor associated periodic syndrome
- Sprengel's deformity
- Dislocation of hip
- Hip dysplasia (canine)
- Hip dysplasia (human)
- Junctional ectopic tachycardia
- Orthomolecular medicine
- Histidinemia
- Langerhans cell histiocytosis
- Non-Langerhans cell histiocytosis
- Histoplasmosis
- Histrionic personality disorder
- HIV
- Hypermobility
- Hodgkin's lymphoma
- Smith–Fineman–Myers syndrome
- Holocarboxylase synthetase deficiency
- Holoprosencephaly
- Holt–Oram syndrome
- Homocystinuria
- Horner's syndrome
- Horseshoe kidney
- Hot tub folliculitis
- Howel–Evans syndrome
- Ehrlichiosis ewingii infection
- Human granulocytic anaplasmosis
- Human monocytotropic ehrlichiosis
- Parvovirus B19
- Hunter syndrome
- Huntington's disease
- Hurler syndrome
- Progeria
- Hutchinson's teeth
- Phenytoin
- Molar pregnancy
- Echinococcosis
- Hydranencephaly
- Hydrocephalus
- Hydrolethalus syndrome
- Hydronephrosis
- Rabies
- Primary hyperoxaluria
- Hymenolepiasis
- Hyperimmunoglobulin E syndrome
- Hyper IgM syndrome
- Hyperaldosteronism
- Hyperammonemia
- Hyperandrogenism
- Bilirubin
- Hypercalcaemia
- Hypercalciuria
- Hypercementosis
- Hypercholesterolemia
- Hyperekplexia
- Hypergeusia
- Hyperglycemia
- Hyperglycerolemia
- Hyperglycinemia
- Hyperhidrosis
- Hyperhomocysteinemia
- Hyper-IgD syndrome
- Congenital hyperinsulinism
- Hyperkalemia
- Hyperkeratosis
- Hyperlysinemia
- Hyperopia
- Worth syndrome
- Hyperostosis frontalis interna
- Hyperoxaluria
- Hyperparathyroidism
- Hyperphenylalaninemia
- Pipecolic acidemia
- Hyperprolinemia
- Hyperreflexia
- Hypersensitivity
- Type I hypersensitivity
- Type II hypersensitivity
- Type III hypersensitivity
- Type IV hypersensitivity
- Hypersomnia
- Hypertensive retinopathy
- Hyperthermia
- Hyperthyroidism
- Hypertriglyceridemia
- Hypertropia
- Hypertryptophanemia
- Hypervitaminosis A
- Hypervitaminosis D
- Hypervitaminosis E
- Hypoactive sexual desire disorder
- Hypoaldosteronism
- Hypobetalipoproteinemia
- Hypocalcaemia
- Hypochondriasis
- Hypochondrogenesis
- Hypochondroplasia
- Urticarial vasculitis
- Hypodermyasis
- Hypodontia
- Hypoglycemia
- Hypohidrotic ectodermal dysplasia
- Hypokalemia
- Hypokalemic periodic paralysis
- Hypokalemic sensory overstimulation
- Hypolipoproteinemia
- Prader–Willi syndrome
- Hypoparathyroidism
- Hypophosphatasia
- X-linked hypophosphatemia
- Hypoplastic left heart syndrome
- Michels Caskey syndrome
- Hypoprothrombinemia
- Hypospadias
- Pallister–Hall syndrome
- Tuber cinereum hamartoma
- Hypothermia
- Hypothyroidism
- Hypotrichosis
- Hypoxia (medical)
- I-cell disease
- Trichothiodystrophy
- Immunodeficiency–centromeric instability–facial anomalies syndrome
- Ichthyoallyeinotoxism
- Fear of fish
- Ichthyosis bullosa of Siemens
- Ruzicka Goerz Anton syndrome
- Ichthyosis follicularis with alopecia and photophobia syndrome
- Ichthyosis linearis circumflexa
- Netherton syndrome
- Scoliosis
- Juvenile osteoporosis
- Idiopathic pulmonary haemosiderosis
- Idiopathic sclerosing mesenteritis
- Idiopathic thrombocytopenic purpura
- Selective immunoglobulin A deficiency
- Iminoglycinuria
- Impetigo
- Impossible syndrome
- Inborn error of metabolism
- Inborn errors of renal tubular transport
- Urea cycle disorder
- Incontinentia pigmenti
- Incontinentia pigmenti achromians
- Indometacin
- Folie à deux
- Infant respiratory distress syndrome
- Infantile digital fibromatosis
- Epileptic spasms
- Spinal muscular atrophies
- Septic arthritis
- Myocarditis
- Inflammatory breast cancer
- Influenza
- Inguinal hernia
- Intoxicative inhalant
- Insulinoma
- Intraocular lymphoma
- Interstitial cystitis
- Whipple's disease
- Intestinal pseudoobstruction
- Intestinal spirochetosis
- Pigeon toe
- Cerebral arteriovenous malformation
- Vertically transmitted infection
- Iodine
- Iodine deficiency
- Toxiphobia
- Uveitis
- Iridogoniodysgenesis, dominant type
- Iron deficiency
- Irritable bowel syndrome
- Neuromyotonia
- Isosporiasis
- Asplenia with cardiovascular anomalies
- Jackson–Weiss syndrome
- Jacobsen syndrome
- Pachyonychia congenita
- Jalili syndrome
- Spinal muscular atrophy with progressive myoclonic epilepsy
- Jansky–Bielschowsky disease
- Japanese encephalitis
- Spondylocostal dysostosis
- Jervell and Lange-Nielsen syndrome
- Asphyxiating thoracic dysplasia
- Johanson–Blizzard syndrome
- Johnson–Munson syndrome
- Joubert syndrome
- Jumping Frenchmen of Maine
- Juvenile dermatomyositis
- Lesch–Nyhan syndrome
- Juvenile hyaline fibromatosis
- Juvenile myoclonic epilepsy
- Kabuki syndrome
- Kallmann syndrome
- Kaposi's sarcoma
- Kapur–Toriello syndrome
- Primary ciliary dyskinesia
- Katz syndrome
- Kaufman oculocerebrofacial syndrome
- Kawasaki disease
- Kearns–Sayre syndrome
- Keloid
- Spinal and bulbar muscular atrophy
- Keratoacanthoma
- Keratoconjunctivitis sicca
- Keratoconus
- Keratomalacia
- Keratosis follicularis spinulosa decalvans
- Keratosis pilaris
- Seborrheic keratosis
- Kerion
- Kernicterus
- Keutel syndrome
- Anaplastic large-cell lymphoma
- Keratitis–ichthyosis–deafness syndrome
- Kikuchi disease
- Kimura's disease
- Malignant hyperthermia
- Kjer's optic neuropathy
- Kleine–Levin syndrome
- Klippel–Trénaunay syndrome
- Klumpke paralysis
- Klüver–Bucy syndrome
- Kniest dysplasia
- Familial partial lipodystrophy
- Kocher–Debre–Semelaigne syndrome
- Köhler disease
- Kohlschütter-Tönz syndrome
- Koilonychia
- Korsakoff's syndrome
- Kostmann syndrome
- Kowarski syndrome
- Krabbe disease
- Peters-plus syndrome
- Kuru (disease)
- Kwashiorkor
- Kyasanur forest disease
- Kyphosis
- Labyrinthitis
- Lachiewicz–Sibley syndrome
- Lafora disease
- Lambert–Eaton myasthenic syndrome
- Lamellar ichthyosis
- John Langdon Down
- Langer–Giedion syndrome
- Gastroschisis
- Diffuse large B-cell lymphoma
- Laron syndrome
- Laryngeal cancer
- Laryngeal cleft
- Laryngeal papillomatosis
- Laryngocele
- Laryngomalacia
- Lassa fever
- Raoul Bensaude
- Long-chain 3-hydroxyacyl-coenzyme A dehydrogenase deficiency
- Lead poisoning
- Leber's hereditary optic neuropathy
- Lecithin cholesterol acyltransferase deficiency
- Plantar fibromatosis
- 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
- Donohue syndrome
- Leprosy
- Leptospirosis
- Leri pleonosteosis
- Léri–Weill dyschondrosteosis
- Lethal congenital contracture syndrome
- Letterer–Siwe disease
- Maple syrup urine disease
- Myeloid leukemia
- T-cell prolymphocytic leukemia
- Leukemia
- Leukocyte adhesion deficiency
- Leukodystrophy
- Periventricular leukomalacia
- Leukoplakia
- Levator ani
- Neuroacanthocytosis
- Leaky gut syndrome
- Lhermitte–Duclos disease
- Lichen myxedematosus
- Lichen planus
- Lichen sclerosus
- Lichen spinulosus
- Liddle's syndrome
- Li–Fraumeni syndrome
- Light chain deposition disease
- Phonophobia
- Limb-girdle muscular dystrophy
- Urbach–Wiethe disease
- Liposarcoma
- Listeriosis
- Livedoid dermatitis
- Locked-in syndrome
- Loa loa filariasis
- Loin pain hematuria syndrome
- Long QT syndrome
- Loose anagen syndrome
- Oculocerebrorenal syndrome
- Lowry–MacLean syndrome
- Levo-Transposition of the great arteries
- Lucey–Driscoll syndrome
- Problem gambling
- Lujan–Fryns syndrome
- Lumbar spinal stenosis
- Lung cancer
- Lupus anticoagulant
- Toxic epidermal necrolysis
- Nyctophobia
- Lymphangiectasia
- Lymphangioleiomyomatosis
- Lymphatic filariasis
- Lymphedema–distichiasis syndrome
- Milroy's disease
- Congenital lymphedema
- Lymphedema
- Lymphoblastic lymphoma
- Lymphocytic colitis
- Cutaneous lymphoid hyperplasia
- AIDS-related lymphoma
- Small cleaved cells
- Lymphomatoid papulosis
- Lyngstadaas syndrome
- Lysosomal storage disease
- Macroglobulinemia
- Macroglossia
- Beckwith–Wiedemann syndrome
- Macrophagic myofasciitis
- May–Hegglin anomaly
- Macular corneal dystrophy
- Vitelliform macular dystrophy
- Bovine spongiform encephalopathy
- Benign symmetric lipomatosis
- Maffucci syndrome
- Mal de debarquement
- Malaria
- Pleomorphic undifferentiated sarcoma
- Mallory–Weiss syndrome
- Malonyl-CoA decarboxylase deficiency
- Malouf syndrome
- Malpuech facial clefting syndrome
- Mandibuloacral dysplasia
- Mannosidosis
- Mansonelliasis
- Mantle cell lymphoma
- Marburg virus disease
- Marchiafava–Bignami disease
- Marcus Gunn phenomenon
- Marden–Walker syndrome
- Marek's disease
- Marfan syndrome
- Loeys–Dietz syndrome
- Marfanoid
- Marinesco–Sjögren syndrome
- Maroteaux–Lamy syndrome
- Marshall–Smith syndrome
- MASA syndrome
- Mass psychogenic illness
- Mastocytosis
- Mastoiditis
- Hypermethioninemia
- Diabetes mellitus and deafness
- Maturity onset diabetes of the young
- Binder's syndrome
- Müllerian agenesis
- McGillivray syndrome
- McKusick–Kaufman syndrome
- Meadow's syndrome
- Measles
- Medullary cystic kidney disease
- Medullary thyroid cancer
- Medulloblastoma
- Megaduodenum
- Otospondylomegaepiphyseal dysplasia
- Megaloblastic anemia
- Meige's syndrome
- MELAS syndrome
- Meleda disease
- Melioidosis
- Melkersson–Rosenthal syndrome
- Melnick–Needles syndrome
- Ménétrier's disease
- Ménière's disease
- Meningioma
- Meningococcal disease
- Spina bifida
- Intellectual disability
- Mercury poisoning
- Ardalan–Shoja–Kiuru syndrome
- Mesenteric ischemia
- Mesothelioma
- Metabolic acidosis
- Metabolic syndrome
- Metachondromatosis
- Metageria
- Methylmalonic acidemia
- Methylmalonyl-CoA mutase deficiency
- Mevalonate kinase deficiency
- Relapsing polychondritis
- Michelin tire baby syndrome
- Michels syndrome
- Mickleson syndrome
- Micro syndrome
- Microcephaly lymphoedema chorioretinal dysplasia
- Microcoria
- Macular hypoplasia
- Microphthalmia
- Microscopic polyangiitis
- Microsporidiosis
- Microtia
- Sjögren's syndrome
- Microphthalmia–dermal aplasia–sclerocornea syndrome
- Benign lymphoepithelial lesion
- Mild cognitive impairment
- Miller–Dieker syndrome
- Minamata disease
- Mirhosseini–Holmes–Walton syndrome
- Mitochondrial disease
- Mitochondrial trifunctional protein deficiency
- Mitral valve prolapse
- Mixed connective tissue disease
- Mixed Müllerian tumor
- Mixed receptive-expressive language disorder
- MN1 (gene)
- Orofaciodigital syndrome 1
- Mohr–Tranebjærg syndrome
- Molluscum contagiosum
- Molybdenum cofactor deficiency
- MOMO syndrome
- Mondini dysplasia
- Mondor's disease
- Monilethrix
- Brunner syndrome
- Monoclonal gammopathy of undetermined significance
- Morel's ear
- Morgellons
- Motor neuron disease
- Tracheobronchomegaly
- Moyamoya disease
- Myeloperoxidase deficiency
- Sanfilippo syndrome
- Pityriasis lichenoides et varioliformis acuta
- Muckle–Wells syndrome
- Hereditary mucoepithelial dysplasia
- Sialidosis
- Pseudo-Hurler polydystrophy
- Mucolipidosis type IV
- Mucopolysaccharidosis
- Sly syndrome
- Mucormycosis
- Multiple sulfatase deficiency
- Muenke syndrome
- Mulibrey nanism
- Multicentric reticulohistiocytosis
- Multifocal motor neuropathy
- Premature ventricular contraction
- Multiple chemical sensitivity
- Multiple endocrine neoplasia type 1
- Multiple endocrine neoplasia type 2
- Multiple myeloma
- Multiple organ dysfunction syndrome
- Multiple sclerosis
- Multiple system atrophy
- Münchausen syndrome
- Münchausen syndrome by proxy
- Myasthenia gravis
- Mycetoma
- Mycobacterium avium-intracellulare infection
- Atypical pneumonia
- Mycosis fungoides
- Polyneuropathy
- Myelitis
- Myelodysplastic syndrome
- Myelofibrosis
- Myhre syndrome
- Myoclonic dystonia
- Myoclonic epilepsy
- MERRF syndrome
- Unverricht–Lundborg disease
- Myoclonus
- Myoglobinuria
- Myopathy, X-linked, with excessive autophagy
- Myopathy
- Myopia
- Myositis ossificans
- Inclusion body myositis
- Myositis
- Myxedema
- Myxoid liposarcoma
- Myxozoa
- N-Acetylglutamate synthase deficiency
- Naegeli–Franceschetti–Jadassohn syndrome
- Nail–patella syndrome
- Nakajo syndrome
- Nance–Horan syndrome
- Narcissistic personality disorder
- Nasodigitoacoustic syndrome
- Nasopharynx cancer
- Naxos syndrome
- Neisseria meningitidis
- Nelson's syndrome
- Nemaline myopathy
- Neonatal diabetes mellitus
- Permanent neonatal diabetes mellitus
- Transient neonatal diabetes mellitus
- Neonatal hemochromatosis
- Neonatal hepatitis
- Neonatal jaundice
- Necrophilia
- Large for gestational age
- Wilms' tumor
- Nephrocalcinosis
- Kidney stone
- Nephronophthisis
- Nephropathy
- Hypertensive nephropathy
- Nephrotic syndrome
- Nerve sheath tumor
- Nesidioblastosis
- Neurulation
- Neural tube defect
- Galactosialidosis
- Neurasthenia
- Infantile neuroaxonal dystrophy
- Neuroblastoma
- Neurocutaneous melanosis
- Cysticercosis
- Neurofibrillary tangle
- Neurofibroma
- Neurofibromatosis
- Neurofibromatosis type 3
- Neurofibromatosis type 4
- Watson syndrome
- Malignant peripheral nerve sheath tumor
- Neuroleptic malignant syndrome
- Neurosyphilis
- Neurotoxicity
- Nevoid basal cell carcinoma syndrome
- Nezelof syndrome
- Nicolaides–Baraitser syndrome
- Nicotine withdrawal
- Niemann–Pick disease
- Niemann–Pick disease, type C
- Nyctalopia
- X-linked congenital stationary night blindness
- Olney's lesions
- Nocardiosis
- Noise-induced hearing loss
- Noma (disease)
- Non-24-hour sleep–wake disorder
- Non-Hodgkin lymphoma
- Glycine encephalopathy
- Non-small-cell lung carcinoma
- Nonverbal learning disorder
- Noonan syndrome
- Norman–Roberts syndrome
- Norrie disease
- Northern epilepsy syndrome
- Notalgia paresthetica
- Tree nut allergy
- Nystagmus
- Zonular cataract and nystagmus
- Obesophobia
- Obsessive–compulsive disorder
- Obsessive–compulsive personality disorder
- Obstructive sleep apnea
- Occipital horn syndrome
- Occupational asthma
- Urofacial syndrome
- Ochronosis
- Pogosta disease
- Ocular albinism
- Presumed ocular histoplasmosis syndrome
- Uveal melanoma
- Eye movement
- Toxoplasmic chorioretinitis
- Oculodentodigital dysplasia
- Oculocutaneous albinism type I
- Oculomotor nerve palsy
- Oculopharyngeal muscular dystrophy
- Odontoma
- Ogilvie syndrome
- Oikophobia
- Osmophobia
- Oligodactyly
- Oliver–McFarlane syndrome
- Olivopontocerebellar atrophy
- Ollier disease
- Palmoplantar keratoderma
- Ombrophobia
- Omenn syndrome
- Omsk hemorrhagic fever
- Onchocerciasis
- Oncocytoma
- Oneirophobia
- Ingrown nail
- Onychogryphosis
- Onycholysis
- Onychomadesis
- Onychomatricoma
- Onychomycosis
- Onychophosis
- Opioid dependence
- Opioid-induced hyperalgesia
- Scopophobia
- Trigonocephaly
- Opportunistic infection
- Oppositional defiant disorder
- Opsismodysplasia
- Optic disc drusen
- Optic nerve hypoplasia
- Optic neuritis
- Sugarman syndrome
- Oral submucous fibrosis
- Organic brain syndrome
- Organophosphate poisoning
- Ornithine aminotransferase deficiency
- Psittacosis
- Orotic aciduria
- Orthostatic intolerance
- Osgood–Schlatter disease
- OSLAM syndrome
- Paget's disease of bone
- Bone
- Osteoarthritis
- Osteochondritis dissecans
- Osteochondritis
- Osteochondroma
- Osteosarcoma
- Osteomyelitis
- Avascular necrosis
- Osteopetrosis
- Osteopoikilosis
- Osteoporosis
- Otodental syndrome
- Otosclerosis
- Ovarian cancer
- Overwhelming post-splenectomy infection
- Primary hypertrophic osteoathropathy
- Pachygyria
- Extramammary Paget's disease
- Paget's disease of the breast
- Palindromic rheumatism
- Pallister–Killian syndrome
- Pancreas divisum
- Pancreatic cancer
- Pancreas
- Pancreatoblastoma
- PANDAS
- Panic disorder
- Panphobia
- Papilledema
- Papillon–Lefèvre syndrome
- Papillitis
- Papular mucinosis
- Paracoccidioidomycosis
- Paramyotonia congenita
- Paraneoplastic cerebellar degeneration
- Paranoid personality disorder
- Paraphilia
- Paraplegia
- Parapsoriasis
- List of phobias
- Parastremmatic dwarfism
- Parathyroid carcinoma
- Parathyroid neoplasm
- Paratyphoid fever
- Parkes Weber syndrome
- Parkinson's disease
- Parkinsonism
- Paronychia
- Paroxysmal cold hemoglobinuria
- Paroxysmal nocturnal hemoglobinuria
- Ventricular fibrillation
- Parry–Romberg syndrome
- Intermediate uveitis
- Parsonage–Turner syndrome
- Y chromosome
- Tokophobia
- Paruresis
- Passive-aggressive behavior
- Patau syndrome
- Patent ductus arteriosus
- Patterson syndrome
- Peanut allergy
- T-cell acute lymphoblastic leukemia
- Pediculosis
- PEHO syndrome
- Pelizaeus–Merzbacher disease
- Pellagra
- Pelvic inflammatory disease
- Pelvic lipomatosis
- Pemphigus foliaceus
- Pemphigus
- Pemphigus vulgaris
- Pendred syndrome
- Penile agenesis and testicular agenesis
- Pentalogy of Cantrell
- Pentosuria
- Sensory processing disorder
- Polyarteritis nodosa
- Labyrinthine fistula
- Periodic fever, aphthous stomatitis, pharyngitis and adenitis
- Periodic limb movement disorder
- Periodontitis
- Periodontal pathology
- Peripartum cardiomyopathy
- Peripheral T-cell lymphoma
- Peritonitis
- Pernicious anemia
- Chilblains
- Peroxisomal disorder
- Parvovirus
- Persistent genital arousal disorder
- Persistent truncus arteriosus
- Pertussis
- Flat feet
- Anterior segment mesenchymal dysgenesis
- Peutz–Jeghers syndrome
- Peyronie's disease
- Pfeiffer syndrome
- PHACES Syndrome
- Phakomatosis pigmentokeratotica