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A

  1. Abdominal aortic aneurysm
  2. Abscess, Bartholin's (See: Bartholin's cyst)
  3. Absence seizure
  4. Acanthosis nigricans
  5. Achalasia
  6. Achilles tendinitis
  7. Achilles tendon rupture
  8. Acid reflux (See: Gastroesophageal reflux disease (GERD))
  9. Acid reflux, infant (See: Infant reflux)
  10. ACL injury
  11. Acne
  12. Acoustic neuroma
  13. Acquired immunodeficiency syndrome (See: HIV/AIDS)
  14. Acromegaly
  15. Actinic keratosis
  16. Acute coronary syndrome
  17. Acute febrile neutrophilic dermatosis (See: Sweet's syndrome)
  18. Acute inflammatory demyelinating polyneuropathy (See: Guillain-Barre syndrome)
  19. Acute kidney failure
  20. Acute kidney injury (See: Acute kidney failure)
  21. Acute liver failure
  22. Acute lymphocytic leukemia
  23. Acute lyphoblastic leukemia (See: Acute lymphocytic leukemia)
  24. Acute lyphoid leukemia (See: Acute lymphocytic leukemia)
  25. Acute myelogenous leukemia (AML)
  26. Acute radiation sickness (See: Radiation sickness)
  27. Acute radiation syndrome (See: Radiation sickness)
  28. Acute respiratory distress syndrome (See: ARDS)
  29. Acute sinusitis
  30. Addiction, alcohol (See: Alcohol use disorder)
  31. Addiction, drug (See: Drug addiction (substance use disorder))
  32. Addiction, gambling (See: Compulsive gambling)
  33. Addiction, nicotine (See: Nicotine dependence)
  34. Addiction, tobacco (See: Nicotine dependence)
  35. Addison's disease
  36. Adenitis, mesenteric (See: Mesenteric lymphadenitis)
  37. Adenomyosis
  38. ADHD in children (See: Attention-deficit/hyperactivity disorder (ADHD) in children)
  39. ADHD, Adult (See: Adult attention-deficit/hyperactivity disorder (ADHD))
  40. Adhesive capsulitis (See: Frozen shoulder)
  41. Adjustment disorders
  42. Adnexal tumors
  43. Adolescent schizophrenia (See: Childhood schizophrenia)
  44. Adrenal cancer
  45. Adrenal gland tumor (See: Pheochromocytoma)
  46. Adrenal insufficiency (See: Addison's disease)
  47. Adrenal mass (See: Benign adrenal tumors)
  48. Adrenoleukodystrophy
  49. Adult attention-deficit/hyperactivity disorder (ADHD)
  50. Adult Still's disease
  51. Age spots (liver spots)
  52. Age-related macular degeneration, dry (See: Macular degeneration, dry)
  53. Age-related macular degeneration, wet (See: Macular degeneration, wet)
  54. Agnogenic myeloid metaplasia (See: Myelofibrosis)
  55. Agoraphobia
  56. AIDP (See: Guillain-Barre syndrome)
  57. AIDS/HIV (See: HIV/AIDS)
  58. Airplane ear
  59. Albinism
  60. Alcohol addiction (See: Alcohol use disorder)
  61. Alcohol intolerance
  62. Alcohol poisoning
  63. Alcohol use disorder
  64. Alcoholic hepatitis
  65. Alcohol-related birth defects (See: Fetal alcohol syndrome)
  66. Alcohol-related neurodevelopmental disorder (See: Fetal alcohol syndrome)
  67. Aldosteronoma (See: Primary aldosteronism)
  68. Allergic angiitis (See: Churg-strauss syndrome)
  69. Allergic granulomatosis (See: Churg-strauss syndrome)
  70. Allergic reaction (See: Allergies)
  71. Allergic rhinitis (See: Hay fever)
  72. Allergies
  73. Allergy, dust mite (See: Dust mite allergy)
  74. Allergy, egg (See: Egg allergy)
  75. Allergy, food (See: Food allergy)
  76. Allergy, latex (See: Latex allergy)
  77. Allergy, milk (See: Milk allergy)
  78. Allergy, mold (See: Mold allergy)
  79. Allergy, nickel (See: Nickel allergy)
  80. Allergy, peanut (See: Peanut allergy)
  81. Allergy, penicillin (See: Penicillin allergy)
  82. Allergy, pet (See: Pet allergy)
  83. Allergy, shellfish (See: Shellfish allergy)
  84. Allergy, soy (See: Soy allergy)
  85. Allergy, wheat (See: Wheat allergy)
  86. Alopecia (See: Hair loss)
  87. ALS (See: Amyotrophic lateral sclerosis)
  88. Alveolar osteitis (See: Dry socket)
  89. Alzheimer's disease
  90. Ambiguous genitalia
  91. Amblyopia (See: Lazy eye (amblyopia))
  92. Ameloblastoma
  93. Amenorrhea
  94. American trypanosomiasis (See: Chagas disease)
  95. Amnesia
  96. Amnesia, dissociative (See: Dissociative disorders)
  97. Amnesia, transient global (See: Transient global amnesia)
  98. Amnestic syndrome (See: Amnesia)
  99. Amniotic fluid embolism
  100. Ampullary cancer
  101. Amyloidosis
  102. Amyotrophic lateral sclerosis
  103. Anal cancer
  104. Anal fissure
  105. Anal fistula
  106. Anal itching
  107. Anaphylaxis
  108. Anaplasmosis (See: Ehrlichiosis)
  109. Anemia
  110. Anemia, aplastic (See: Aplastic anemia)
  111. Anemia, Cooley's (See: Thalassemia)
  112. Anemia, iron deficiency (See: Iron deficiency anemia)
  113. Anemia, Mediterranean (See: Thalassemia)
  114. Anemia, sickle cell (See: Sickle cell anemia)
  115. Anemia, vitamin deficiency (See: Vitamin deficiency anemia)
  116. Aneurysm, abdominal aortic (See: Abdominal aortic aneurysm)
  117. Aneurysm, aortic (See: Thoracic aortic aneurysm)
  118. Aneurysm, brain (See: Brain aneurysm)
  119. Aneurysm, cerebral (See: Brain aneurysm)
  120. Aneurysms
  121. Angelman syndrome
  122. Angiitis (See: Vasculitis)
  123. Angiitis, allergic (See: Churg-strauss syndrome)
  124. Angina
  125. Angina pectoris (See: Angina)
  126. Angioedema and hives (See: Hives and angioedema)
  127. Angiofollicular lymph node hyperplasia (See: Castleman disease)
  128. Angiosarcoma
  129. Anhidrosis
  130. Ankle fracture (See: Broken ankle/broken foot)
  131. Ankle sprain (See: Sprained ankle)
  132. Ankyloglossia (See: Tongue-tie (ankyloglossia))
  133. Ankylosing spondylitis
  134. Anorexia (See: Anorexia nervosa)
  135. Anorexia nervosa
  136. Anorgasmia
  137. Anterior cruciate ligament injury (See: ACL injury)
  138. Anterior prolapse (cystocele)
  139. Anthrax
  140. Antibiotic-associated colitis (See: Pseudomembranous colitis)
  141. Antibiotic-associated diarrhea
  142. Antiphospholipid syndrome
  143. Antisocial personality disorder
  144. Anxiety
  145. Anxiety disorder, generalized (See: Generalized anxiety disorder)
  146. Anxiety disorder, social (See: Social anxiety disorder)
  147. Aortic aneurysm (See: Thoracic aortic aneurysm)
  148. Aortic aneurysm
  149. Aortic coarctation (See: Coarctation of the aorta)
  150. Aortic dissection
  151. Aortic valve disease
  152. Aortic valve regurgitation
  153. Aortic valve stenosis
  154. Aphasia
  155. Aphasia, primary progressive (See: Primary progressive aphasia)
  156. Aphthous ulcer (See: Canker sore)
  157. Apical ballooning syndrome (See: Broken heart syndrome)
  158. Aplastic anemia
  159. Apnea, sleep (See: Sleep apnea)
  160. Apnea, sleep (central) (See: Sleep apnea, central)
  161. Apnea, sleep (obstructive) (See: Sleep apnea, obstructive)
  162. Appendicitis
  163. ARDS
  164. Arenaviruses (See: Viral hemorrhagic fevers)
  165. Argentine hemorrhagic fever (See: Viral hemorrhagic fevers)
  166. Arm fracture (See: Broken arm)
  167. Arrhythmia (See: Heart arrhythmias)
  168. Arteriosclerosis / atherosclerosis
  169. Arteriovenous fistula
  170. Arteriovenous malformation
  171. Arteritis, giant cell (See: Giant cell arteritis)
  172. Arteritis, Takayasu's (See: Takayasu's arteritis)
  173. Arthritis
  174. Arthritis, basal joint (See: Thumb arthritis)
  175. Arthritis, gouty (See: Gout)
  176. Arthritis, infectious (See: Septic arthritis)
  177. Arthritis, juvenile rheumatoid (See: Juvenile rheumatoid arthritis)
  178. Arthritis, osteoarthritis (See: Osteoarthritis)
  179. Arthritis, psoriatic (See: Psoriatic arthritis)
  180. Arthritis, reactive (See: Reactive arthritis)
  181. Arthritis, rheumatoid (See: Rheumatoid arthritis)
  182. Arthritis, septic (See: Septic arthritis)
  183. Arthritis, thumb (See: Thumb arthritis)
  184. Asbestosis
  185. Ascariasis
  186. ASD (See: Atrial septal defect)
  187. Aspergillosis
  188. Asthma
  189. Asthma attack
  190. Asthma, childhood (See: Childhood asthma)
  191. Asthma, exercise-induced (See: Exercise-induced asthma)
  192. Asthma, occupational (See: Occupational asthma)
  193. Astigmatism
  194. Astrocytoma
  195. AT (See: Atrial tachycardia)
  196. Ataxia
  197. Atelectasis
  198. Atherosclerosis (See: Arteriosclerosis / atherosclerosis)
  199. Athlete’s foot
  200. Atopic dermatitis (eczema)
  201. Atrial fibrillation
  202. Atrial flutter
  203. Atrial septal defect
  204. Atrial tachycardia
  205. Atrioventricular canal defect
  206. Atrioventricular nodal reentry tachycardia (AVNRT)
  207. Atrioventricular septal defect (See: Atrioventricular canal defect)
  208. Atrophic vaginitis (See: Vaginal atrophy)
  209. Attachment disorder (See: Reactive attachment disorder)
  210. Attention-deficit/hyperactivity disorder (ADHD) in children
  211. Attention-deficit/hyperactivity disorder in adults (See: Adult attention-deficit/hyperactivity disorder (ADHD))
  212. Atypical depression
  213. Atypical hyperplasia of the breast
  214. Autism spectrum disorder
  215. Autoimmune hepatitis
  216. Autoimmune pancreatitis
  217. Autonomic neuropathy
  218. Avascular necrosis
  219. Avian influenza (See: Bird flu (avian influenza))
  220. AVNRT (See: Atrioventricular nodal reentry tachycardia (AVNRT))
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