# List of diseases (A)

This is a list of diseases starting with the letter "A".
* 0–9
* A
* B
* C
* D
* E
* F
* G
* H
* I
* J
* K
* L
* M
* N
* O
* P
* Q
* R
* S
* T
* U
* V
* W
* X
* Y
* Z

## See also

    Health
    Exercise
    Nutrition

## Aa–Ab

* Aagenaes syndrome
* Aarskog–Ose–Pande syndrome
* Aarskog syndrome
* Aase–Smith syndrome
* Aase syndrome
* Abasia
* ABCD syndrome
* Abdallat–Davis–Farrage syndrome
* Abdominal aortic aneurysm
* Abdominal chemodectomas with cutaneous angiolipomas
* Abdominal cystic lymphangioma
* Abdominal defects
* Abdominal musculature absent microphthalmia joint laxity
* Abdominal neoplasm / Abdominal neoplasms
* Aberrant subclavian artery
* Ablepharon macrostomia syndrome
* Abnormal systemic venous return
* Abruzzo–Erickson syndrome
* Absence of gluteal muscle
* Absence of tibia with polydactyly
* Absent corpus callosum cataract immunodeficiency
* Absent tibia-polydactyly-arachnoid cyst syndrome
* Absent T lymphocytes

## Ac

* Acanthocheilonemiasis
* Acanthocytosis
* Acanthocytosis chorea
* Acanthosis nigricans
* Acatalasemia
* Accessory deep peroneal nerve
* Accessory navicular bone
* Accessory pancreas

### Ach–Ack

* Achalasia
* Achalasia-Addisonianism-Alacrimia syndrome
* Achalasia alacrimia syndrome
* Achalasia, familial esophageal
* Achalasia microcephaly
* Achard syndrome
* Achard–Thiers syndrome
* Acheiropodia
* Achondrogenesis
** Achondrogenesis Kozlowski type
** Achondrogenesis type 1A
** Achondrogenesis type 1B
** Achondrogenesis type 2
* Achondroplasia
** Achondroplasia Swiss type agammaglobulinemia
* Achondroplastic dwarfism
* Achromatopsia
* Achromatopsia incomplete, X-linked
* Acid maltase deficiency
* Acidemia, isovaleric
* Acidemia, propionic
* Acitretine antenatal infection
* Ackerman syndrome

### Acn–Acq

* Acne rosacea
* Acne vulgaris; often called acne
* Acoustic neuroma
* Acoustic schwannomas
* Acquired agranulocytosis
* Acquired central hypoventilation syndrome
* Acquired hypoprothrombinemia
* Acquired ichthyosis
* Acquired prothrombin deficiency
* Acquired syphilis

### Acr
#### Acra

* Acral dysostosis dyserythropoiesis
* Acral renal mandibular syndrome

#### Acro

* Acro coxo mesomelic dysplasia

##### Acroc–Acrok

* Acrocallosal syndrome, Schinzel type
* Acrocephalopolydactyly
* Acrocephalosyndactyly Jackson Weiss type
* Acrocephaly
* Acrocephaly pulmonary stenosis mental retardation
* Acrocyanosis
* Acrodermatitis
* Acrodermatitis enteropathica
* Acrodysostosis
* Acrodysplasia
* Acrodysplasia scoliosis
* Acrofacial dysostosis
* Acrofacial dysostosis ambiguous genitalia
* Acrofacial dysostosis atypical postaxial
* Acrofacial dysostosis Catania form
* Acrofacial dysostosis, Nager type
* Acrofacial dysostosis, Palagonia type
* Acrofacial dysostosis Preis type
* Acrofacial dysostosis Rodriguez type
* Acrofacial dysostosis Weyers type
* Acrofrontofacionasal dysostosis
* Acrokeratoelastoidosis of Costa

##### Acrom–Acros

* Acromegaloid changes cutis verticis gyrata corneal
* Acromegaloid facial appearance syndrome
* Acromegaloid hypertrichosis syndrome
* Acromegaly
* Acromesomelic dysplasia
* Acromesomelic dysplasia Brahimi Bacha type
* Acromesomelic dysplasia Campailla Martinelli type
* Acromesomelic dysplasia Hunter Thompson type
* Acromesomelic dysplasia, Maroteaux type
* Acromicric dysplasia
* Acroosteolysis dominant type
* Acroosteolysis neurogenic
* Acroosteolysis osteoporosis skull and mandible changes
* Acropectoral syndrome
* Acropectorenal field defect
* Acropectorovertebral dysplasia
* Acrophobia
* Acropigmentation of Dohi
* Acrorenal syndrome recessive
* Acrorenoocular syndrome
* Acrospiroma

### Act

* ACTH deficiency
* ACTH resistance
* Actinic keratosis
* Actinomycetales causes anal infection
* Actinomycosis
* Activated protein C resistance

### Acu
#### Acut
##### Acuta

* Acutane embryopathy

##### Acute
###### Acute a – Acute l

* Acute anxiety
* Acute articular rheumatism
* Acute erythroblastic leukemia
* Acute febrile neutrophilic dermatosis
* Acute gouty arthritis
* Acute idiopathic polyneuritis
* Acute intermittent porphyria
* Acute lymphoblastic leukemia
* Acute lymphoblastic leukemia congenital sporadic aniridia
* Acute lymphocytic leukemia

###### Acute m – Acute p

* Acute megakaryoblastic leukemia
* Acute monoblastic leukemia
* Acute monocytic leukemia
* Acute mountain sickness
* Acute myeloblastic leukemia
** Acute myeloblastic leukemia, minimally differentiated
** Acute myeloblastic leukemia type 1
** Acute myeloblastic leukemia type 2
** Acute myeloblastic leukemia type 3
** Acute myeloblastic leukemia type 4
** Acute myeloblastic leukemia type 5
** Acute myeloblastic leukemia type 6
** Acute myeloblastic leukemia type 7
** Acute myeloblastic leukemia with maturation
** Acute myeloblastic leukemia without maturation
* Acute myelocytic leukemia
* Acute myelogenous leukemia
* Acute myeloid leukemia
** Acute myeloid leukemia, secondary
* Acute myelomonocytic leukemia
* Acute necrotizing ulcerative gingivitis
* Acute non lymphoblastic leukemia (generic term)
* Acute pancreatitis
* Acute posterior multifocal placoid pigment epitheliopathy
* Acute promyelocytic leukemia

##### Acute r – Acute t

* Acute renal failure
* Acute respiratory distress syndrome
* Acute tubular necrosis

### Acy

* Acyl-CoA dehydrogenase, medium chain, deficiency of
* Acyl-CoA dehydrogenase, short chain, deficiency of
* Acyl-CoA dehydrogenase, very long chain, deficiency of
* Acyl-CoA oxidase deficiency

## Ad
### Ada–Adi

* Adactylia unilateral dominant
* ADAM complex
* Adams–Nance syndrome
* Adams–Oliver syndrome
* Addison's disease
* Adducted thumb club foot syndrome
* Adducted thumb syndrome recessive form
* Adducted thumbs Dundar type
* Adenine phosphoribosyltransferase deficiency
* Adenocarcinoid tumor
* Adenocarcinoma of esophagus
* Adenocarcinoma of lung
* Adenoid cystic carcinoma
* Adenoma
* Adenoma of the adrenal gland
* Adenomatoid odontogenic tumor
* Adenomyosis
* Adenosine deaminase deficiency
* Adenosine monophosphate deaminase deficiency
* Adenosine triphosphatase deficiency, anemia due to
* Adenylosuccinate lyase deficiency
* Adie syndrome
* Adiposis dolorosa, aka Dercum's disease

### Ado–Adr

* Adolescent benign focal crisis
* Adrenal adenoma, familial
* Adrenal cancer
* Adrenal disorder
* Adrenal gland hyperfunction
* Adrenal gland hypofunction
* Adrenal hyperplasia
* Adrenal hyperplasia, congenital
* Adrenal hypertension
* Adrenal hypoplasia
* Adrenal hypoplasia congenital, X-linked
* Adrenal incidentaloma
* Adrenal insufficiency
* Adrenal macropolyadenomatosis
* Adrenal medulla neoplasm
* Adrenocortical carcinoma
* Adrenogenital syndrome
* Adrenoleukodystrophy, autosomal, neonatal form
* Adrenoleukodystrophy, X-linked
* Adrenomyodystrophy

### Adu

* Adult attention deficit hyperactivity disorder
* Adult-onset Still's disease
* Adult syndrome
* Advanced sleep phase syndrome

## Ae–Ah

* Aerosinusitis
* Afibrinogenemia
* African trypanosomiasis
* Agammaglobulinemia
* Aganglionosis
* Aganglionosis, total intestinal
* Agenesis of the vena cava
* Aggressive fibromatosis
* Aging
* Agnathia
* Agnathia holoprosencephaly situs inversus
* Agnosia, primary visual
* Agoraphobia
* Agraphia
* Agyria
* Agyria pachygyria polymicrogyria
* Agyria-pachygyria type 1
* Ahumada-Del Castillo syndrome

## Ai–Ak

* Aicardi–Goutières syndromes
* Aicardi syndrome
* Aichmophobia
* AIDS
* AIDS dementia complex
* AIDS dysmorphic syndrome
* Ainhum
* Akaba–Hayasaka syndrome
* Akesson syndrome
* Aksu–Stckhausen syndrome

## Al

* Al Awadi Teebi Farag syndrome
* Al Frayh Facharzt Haque syndrome
* Al Gazali Al Talabani syndrome
* Al Gazali Aziz Salem syndrome
* Al Gazali Donnai Mueller syndrome
* Al Gazali Hirschsprung syndrome
* Al Gazali Khidr Prem Chandran syndrome
* Al Gazali Sabrinathan Nair syndrome

### Ala–Alc

* Alagille–Watson syndrome (AWS)
* Alar nasal cartilages coloboma of telecanthus
* Albers–Schonberg disease
* Albinism
* Albinism deafness syndrome
* Albinism immunodeficiency
* Albinism, minimal pigment type
* Albinism, ocular
* Albinism ocular late onset sensorineural deafness
* Albinism oculocutaneous, Hermansky–Pudlak type
* Albinism, yellow mutant type
* Albinoidism
* Albrecht–Schneider–Belmont syndrome
* Albright–Turner–Morgani syndrome
* Albright's hereditary osteodystrophy
* Albright's syndrome
* Alcohol antenatal infection
* Alcohol dependence
* Alcohol fetopathy
* Alcohol withdrawal syndrome
* Alcoholic hepatitis
* Alcoholic liver cirrhosis

### Ald–All

* Aldolase A deficiency
* Aldred syndrome
* Aleukemic leukemia cutis
* Alexander disease
* Alexia (acquired dyslexia)
* Alien hand syndrome
* Alkaptonuria
* Allain–Babin–Demarquez syndrome
* Allan–Herndon–Dudley syndrome
* Allanson–Pantzar–McLeod syndrome
* Allergic angiitis
* Allergic autoimmune thyroiditis
* Allergic bronchopulmonary aspergillosis
* Allergic encephalomyelitis

### Alo

* Aloi Tomasini Isaia syndrome
* Alopecia
** Alopecia anosmia deafness hypogonadism syndrome
** Alopecia areata
** Alopecia congenita keratosis palmoplantaris
** Alopecia contractures dwarfism mental retardation
** Alopecia epilepsy oligophrenia syndrome of Moynahan
** Alopecia, epilepsy, pyorrhea, mental subnormality
** Alopecia hypogonadism extrapyramidal disorder
** Alopecia immunodeficiency
** Alopecia macular degeneration growth retardation
** Alopecia mental retardation hypogonadism
** Alopecia mental retardation syndrome
** Alopecia totalis
** Alopecia universalis
** Alopecia universalis onychodystrophy vitiligo

### Alp–Alz

* Alpers disease
* Alpha 1-antitrypsin deficiency
* Alpha-2 deficient collagen disease
* Alpha-ketoglutarate dehydrogenase deficiency
* Alpha-L-iduronidase deficiency
* Alpha-mannosidosis
* Alpha-sarcoglycanopathy
* Alpha-thalassemia
* Alpha thalassemia abnormal morphogenesis
* Alpha-thalassemia mental retardation syndrome
* Alport syndrome
** Alport syndrome, dominant type
** Alport syndrome macrothrombocytopenia
** Alport syndrome, recessive type
* Alstrom's syndrome
* Alternating hemiplegia
* Alternating hemiplegia of childhood
* Aluminium lung
* Alveolar capillary dysplasia
* Alveolar echinococcosis
* Alveolar soft part sarcoma
* Alveolitis, extrinsic allergic
* Alves Dos Santos Castello syndrome
* Alwadei syndrome
* Alzheimer's disease
** Alzheimer's disease, early-onset
** Alzheimer's disease, familial

## Am

* Amaurosis
** Amaurosis congenita of Leber
** Amaurosis congenita of Leber, type 1
** Amaurosis congenita of Leber, type 2
** Amaurosis hypertrichosis
* Amblyopia
* Ambral syndrome
* Ambras syndrome
* Amebiasis
* Amegakaryocytic thrombocytopenia
* Amelia (birth defect)
* Amelia cleft lip palate hydrocephalus iris coloboma
* Amelia facial dysmorphism
* Amelia X linked
* Amelogenesis
* Amelogenesis imperfecta
** Amelogenesis imperfecta hypomaturation type
** Amelogenesis imperfecta local hypoplastic form
** Amelogenesis imperfecta nephrocalcinosis
** Ameloonychohypohidrotic syndrome
* Amenorrhea
* American trypanosomiasis
* Amnesia
** Amnesia, anterograde
** Amnesia, childhood
** Amnesia, dissociative
** Amnesia, drug-induced
** Amnesia, lacunar
** Amnesia, retrograde
** Amnesia, source
** Amnesia, transient global
* Amyotrophic lateral sclerosis

## An
### Ana–Ane

* Anaphylaxis
* Anaplasmosis
* Anaplastic thyroid cancer
* Andersen's disease
* Andre syndrome
* Androgen insensitivity syndrome (AIS)
* Anemia
** Anemia, Diamond–Blackfan
** Anemia, hypoplastic, congenital
** Anemia, pernicious
** Anemia, sideroblastic
** Anemia sideroblastic spinocerebellar ataxia
* Anencephaly
* Anencephaly spina bifida X linked
* Aneurysm
* Aneurysm, intracranial berry
* Aneurysm of sinus of Valsalva

### Ang

* Angel shaped phalangoep
* Anger irritation syndrome
* Angiofollicular lymph hyperplasia
* Angioimmunoblastic lymphadenopathy with dysproteinemia
* Angiokeratoma mental retardation coarse face
* Angiolipoma
* Angioma
* Angioma hereditary neurocutaneous
* Angiomatosis
* Angiomatosis encephalotrigeminal
* Angiomatosis leptomeningeal capillary - venous
* Angiomatosis systemic cystic seip syndrome
* Angiomyomatous hamartoma
* Angioneurotic edema hereditary due to C1 esterase deficiency
* Angiosarcoma
* Angiosarcoma of the liver
* Angiosarcoma of the scalp
* Angiostrongyliasis
* Angiotensin renin aldosterone hypertension
* Anguillulosis

### Ani–Ank

* Aniridia
* Aniridia absent patella
* Aniridia ataxia renal agenesis psychomotor retardation
* Aniridia cerebellar ataxia mental deficiency
* Aniridia mental retardation syndrome
* Aniridia ptosis mental retardation obesity familial
* Aniridia renal agenesis psychomotor retardation
* Aniridia, sporadic
* Aniridia type 2
* Anisakiasis
* Ankle defects short stature
* Ankyloblepharon ectodermal defects cleft lip palate
* Ankyloblepharon filiforme adnatum cleft palate
* Ankyloblepharon filiforme imperforate anus
* Ankyloglossia heterochromia clasped thumbs
* Ankylosing spondylarthritis
* Ankylosing spondylitis
* Ankylosing vertebral hyperostosis with tylosis
* Ankylosis
* Ankylosis of teeth
* Ankylostomiasis

### Ann

* Annular constricting bands
* Annular pancreas
* Annuloaortic ectasia

### Ano

* Anodontia
* Anomic aphasia
* Anonychia
* Anonychia ectrodactyly
* Anonychia microcephaly
* Anonychia onychodystrophy
* Anonychia-onychodystrophy with brachydactyly type B and ectrodactyly
* Anophthalia
* Anophthalia pulmonary hypoplasia
* Anophthalmia
* Anophthalmia cleft lip palate hypothalamic disorder
* Anophthalmia cleft palate micrognathia
* Anophthalmia esophageal atresia cryptorchidism
* Anophthalmia megalocornea cardiopathy skeletal anomalies
* Anophthalmia microcephaly hypogonadism
* Anophthalmia plus syndrome
* Anophthalmia short stature obesity
* Anophthalmia Waardenburg syndrome
* Anophthalmos
* Anophthalmos, clinical
* Anophthalmos with limb anomalies
* Anorchia
* Anorchidism
* Anorectal anomalies
* Anorectal atresia / Ano-rectal atresia
* Anorexia nervosa
   * Anorexia nervosa binge-purge type
   * Anorexia nervosa restricting type
* Anorgasmia
* Anosmia
* Anotia
* Anotia facial palsy cardiac defect

### Ans–Ant

* Ansell–Bywaters–Elderking syndrome
* Anterior horn disease
* Anterior pituitary insufficiency, familial
* Anterograde amnesia
* Anthrax
* Anti amnestic syndrome
* Anti-factor VIII autoimmunization
* Antigen-peptide-transporter 2 deficiency
* Anti-HLA hyperimmunization
* Antihypertensive drugs antenatal infection
* Antinolo–Nieto–Borrego syndrome
* Antiphospholipid syndrome
* Anti-plasmin deficiency
* Anti-plasmin deficiency, congenital
* Antisocial personality disorder
* Antisynthetase syndrome
* Antithrombin deficiency, congenital
* Antley–Bixler syndrome
* Anton syndrome

## Ao

* Aorta-pulmonary artery fistula
* Aortic aneurysm
* Aortic arch anomaly peculiar facies mental retardation
* Aortic arch interruption
* Aortic arches defect
* Aortic coarctation
* Aortic dissection
* Aortic dissection lentiginosis
* Aortic supravalvular stenosis
* Aortic valve stenosis
* Aortic valves stenosis of the child
* Aortic window

## Ap
### Ape–App

* Apert like polydactyly syndrome
* Apert syndrome
* Aphalangia
* Aphalangia hemivertebrae
* Aphalangia syndactyly microcephaly
* Aphthous stomatitis
* Apiphobia
* Aplasia
* Aplasia cutis autosomal recessive
* Aplasia cutis congenita
   * Aplasia cutis congenita dominant
   * Aplasia cutis congenita epibulbar dermoids
   * Aplasia cutis congenita intestinal lymphangiectasia
   * Aplasia cutis congenita of limbs recessive
   * Aplasia cutis congenita recessive
* Aplasia cutis-myopia
* Aplasia/hypoplasia of pelvis, femur, fibula, and ulna with abnormal digits and nails
* Aplastic anemia
* Aplastic crisis
* Apo A-I deficiency
* Apolipoprotein C-II deficiency
* Apparent mineralocorticoid excess
* Appelt–Gerken–Lenz syndrome
* Appendicitis

### Apr–Apu

* Apraxia
* Apraxia, Ideomotor
* Apraxia manual
* Apraxia, ocular motor, Cogan type
* Apudoma

## Aq

* Aqueductal stenosis
* Aqueductal stenosis, X-linked

## Ar
### Ara–Aro

* Arachindonic acid, absence of
* Arachnodactyly
   * Arachnodactyly ataxia cataract aminoaciduria mental retardation
   * Arachnodactyly mental retardation dysmorphism
* Arachnoid cysts
* Arachnoiditis
* Arakawa's syndrome II
* Arbovirosis
* Arc syndrome
* AREDYLD syndrome
* Argentine hemorrhagic fever
* Arginase deficiency
* Arginemia
* Argininosuccinate synthetase deficiency
* Argininosuccinic aciduria
* Argyria
* Arhinia
* Arhinia choanal atresia microphthalmia
* Arnold–Stickler–Bourne syndrome
* Arnold–Chiari malformation
* Aromatase deficiency
* Aromatase excess syndrome
* Aromatic amino acid decarboxylase deficiency

### Arr–Ars

* Arrhinia
* Arrhythmogenic right ventricular dysplasia
* Arroyo–Garcia–Cimadevilla syndrome
* Arrythmogenic right ventricular dysplasia, familial
* Arsenic poisoning

### Art
#### Arte

* Arterial calcification of infancy
* Arterial dysplasia
* Arterial tortuosity
* Arteriovenous malformation
* Arteritis

#### Arth

* Arthritis
* Arthritis, juvenile
* Arthritis short stature deafness
* Arthrogryposis
   * Arthrogryposis due to muscular dystrophy
   * Arthrogryposis ectodermal dysplasia other anomalies
   * Arthrogryposis epileptic seizures migrational brain disorder
   * Arthrogryposis IUGR thoracic dystrophy
   * Arthrogryposis like disorder
   * Arthrogryposis like hand anomaly sensorineural
   * Arthrogryposis multiplex congenita CNS calcification
   * Arthrogryposis multiplex congenita distal
   * Arthrogryposis multiplex congenita neurogenic type
   * Arthrogryposis multiplex congenita pulmonary hypoplasia
   * Arthrogryposis multiplex congenita whistling face
   * Arthrogryposis multiplex congenita, distal type 1
   * Arthrogryposis multiplex congenita, distal type 2
   * Arthrogryposis multiplex congenita, distal, x-linked
   * Arthrogryposis multiplex congenita
   * Arthrogryposis ophthalmoplegia retinopathy
   * Arthrogryposis renal dysfunction cholestasis syndrome
   * Arthrogryposis spinal muscular atrophy

### Ary

* Arylsulfatase A deficiency

## As

* Asbestosis
* Ascariasis
* Ascher's syndrome
* Aseptic meningitis
* Asherman's syndrome
* Ashman phenomenon
* Aspartylglycosaminuria
* Aspergillosis
* Asperger syndrome
* Asphyxia neonatorum
* Aspiration pneumonia
* Asplenia
* Astasia-abasia
* Astasis
* Asthenia
* Asthma
* Astigmatism
* Astrocytoma
* Astrovirus infection
* Asymmetric septal hypertrophy

## At

* Ataxia
* Ataxia, Marie's
* Ataxia telangiectasia
* Ataxia telangiectasia variant V1
* Atelectasis
* Atelosteogenesis type I
* Atelosteogenesis, type II
* Athabaskan brain stem dysgenesis
* Atherosclerosis
* Athetosis
* Athlete's foot
* Atopic dermatitis
* Atopic conjunctivitis
* Atopic keratoconjunctivitis
* Atresia
* Atresia of small intestine
* Atrial myxoma
* Atrial septal defect
* Atrioventricular fistula
* Atrioventricular septal defect
* Atrophic vaginitis
* Atrophoderma
* Atrophoderma of Pasini and Pierini
* Atrophy
* ATR-X
* ATR-16 syndrome
* Attention deficit hyperactivity disorder
* Attenuated FAP
* Atypical lipodystrophy

## Au–Az

* Auditory processing disorder
* Aughton syndrome
* Ausems Wittebol Post Hennekam syndrome
* Autism
* Autoimmune hemolytic anemia
* Autoimmune hepatitis
* Autoimmune peripheral neuropathy
* Autoimmune polyendocrinopathy syndrome, type I
* Autonomic dysfunction
* Autonomic nervous system diseases
* Autosomal dominant leukodystrophy with autonomic disease
* Autosomal dominant porencephaly type I
* Autosomal recessive axonal neuropathy with neuromyotonia
* Autosomal recessive isolated ectopia lentis
* Avian Flu
* Avoidant personality disorder
* Axial mesodermal dysplasia
* Axial mesodermal dysplasia spectrum
* Axial spondyloarthritis
* Axial osteomalacia
* Axial osteosclerosis
* Ayazi syndrome