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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. Adjustment disorders
  43. Adnexal tumors
  44. Adolescent schizophrenia (See: Childhood schizophrenia)
  45. Adrenal cancer
  46. Adrenal gland tumor (See: Pheochromocytoma)
  47. Adrenal insufficiency (See: Addison's disease)
  48. Adrenal mass (See: Benign adrenal tumors)
  49. Adrenoleukodystrophy
  50. Adult attention-deficit/hyperactivity disorder (ADHD)
  51. Adult Still's disease
  52. Age spots (liver spots)
  53. Age-related macular degeneration, dry (See: Macular degeneration, dry)
  54. Age-related macular degeneration, wet (See: Macular degeneration, wet)
  55. Agnogenic myeloid metaplasia (See: Myelofibrosis)
  56. Agoraphobia
  57. AIDP (See: Guillain-Barre syndrome)
  58. AIDS/HIV (See: HIV/AIDS)
  59. Airplane ear
  60. Albinism
  61. Alcohol addiction (See: Alcohol use disorder)
  62. Alcohol intolerance
  63. Alcohol poisoning
  64. Alcohol use disorder
  65. Alcoholic hepatitis
  66. Alcohol-related birth defects (See: Fetal alcohol syndrome)
  67. Alcohol-related neurodevelopmental disorder (See: Fetal alcohol syndrome)
  68. Aldosteronoma (See: Primary aldosteronism)
  69. Allergic angiitis (See: Churg-strauss syndrome)
  70. Allergic granulomatosis (See: Churg-strauss syndrome)
  71. Allergic reaction (See: Allergies)
  72. Allergic rhinitis (See: Hay fever)
  73. Allergies
  74. Allergy, dust mite (See: Dust mite allergy)
  75. Allergy, egg (See: Egg allergy)
  76. Allergy, food (See: Food allergy)
  77. Allergy, latex (See: Latex allergy)
  78. Allergy, milk (See: Milk allergy)
  79. Allergy, mold (See: Mold allergy)
  80. Allergy, nickel (See: Nickel allergy)
  81. Allergy, peanut (See: Peanut allergy)
  82. Allergy, penicillin (See: Penicillin allergy)
  83. Allergy, pet (See: Pet allergy)
  84. Allergy, shellfish (See: Shellfish allergy)
  85. Allergy, soy (See: Soy allergy)
  86. Allergy, wheat (See: Wheat allergy)
  87. Alopecia (See: Hair loss)
  88. ALS (See: Amyotrophic lateral sclerosis)
  89. Alveolar osteitis (See: Dry socket)
  90. Alzheimer's disease
  91. Ambiguous genitalia
  92. Amblyopia (See: Lazy eye (amblyopia))
  93. Ameloblastoma
  94. Amenorrhea
  95. American trypanosomiasis (See: Chagas disease)
  96. Amnesia
  97. Amnesia, dissociative (See: Dissociative disorders)
  98. Amnesia, transient global (See: Transient global amnesia)
  99. Amnestic syndrome (See: Amnesia)
  100. Amniotic fluid embolism
  101. Ampullary cancer
  102. Amyloidosis
  103. Amyotrophic lateral sclerosis
  104. Anal cancer
  105. Anal fissure
  106. Anal fistula
  107. Anal itching
  108. Anaphylaxis
  109. Anaplasmosis (See: Ehrlichiosis)
  110. Anemia
  111. Anemia, aplastic (See: Aplastic anemia)
  112. Anemia, Cooley's (See: Thalassemia)
  113. Anemia, iron deficiency (See: Iron deficiency anemia)
  114. Anemia, Mediterranean (See: Thalassemia)
  115. Anemia, sickle cell (See: Sickle cell anemia)
  116. Anemia, vitamin deficiency (See: Vitamin deficiency anemia)
  117. Aneurysm, abdominal aortic (See: Abdominal aortic aneurysm)
  118. Aneurysm, aortic (See: Thoracic aortic aneurysm)
  119. Aneurysms
  120. Angelman syndrome
  121. Angiitis (See: Vasculitis)
  122. Angiitis, allergic (See: Churg-strauss syndrome)
  123. Angina
  124. Angina pectoris (See: Angina)
  125. Angioedema and hives (See: Hives and angioedema)
  126. Angiofollicular lymph node hyperplasia (See: Castleman disease)
  127. Angiosarcoma
  128. Anhidrosis
  129. Ankle fracture (See: Broken ankle/broken foot)
  130. Ankle sprain (See: Sprained ankle)
  131. Ankyloglossia (See: Tongue-tie (ankyloglossia))
  132. Ankylosing spondylitis
  133. Anorexia (See: Anorexia nervosa)
  134. Anorexia nervosa
  135. Anorgasmia
  136. Anterior cruciate ligament injury (See: ACL injury)
  137. Anterior prolapse (cystocele)
  138. Anthrax
  139. Antibiotic-associated colitis (See: Pseudomembranous colitis)
  140. Antibiotic-associated diarrhea
  141. Antiphospholipid syndrome
  142. Antisocial personality disorder
  143. Anxiety
  144. Anxiety disorder, generalized (See: Generalized anxiety disorder)
  145. Anxiety disorder, social (See: Social anxiety disorder)
  146. Aortic aneurysm
  147. Aortic aneurysm (See: Thoracic aortic aneurysm)
  148. Aortic coarctation (See: Coarctation of the aorta)
  149. Aortic dissection
  150. Aortic valve disease
  151. Aortic valve regurgitation
  152. Aortic valve stenosis
  153. Aphasia
  154. Aphasia, primary progressive (See: Primary progressive aphasia)
  155. Aphthous ulcer (See: Canker sore)
  156. Apical ballooning syndrome (See: Broken heart syndrome)
  157. Aplastic anemia
  158. Apnea, sleep (See: Sleep apnea)
  159. Apnea, sleep (central) (See: Sleep apnea, central)
  160. Apnea, sleep (obstructive) (See: Sleep apnea, obstructive)
  161. Appendicitis
  162. ARDS
  163. Arenaviruses (See: Viral hemorrhagic fevers)
  164. Argentine hemorrhagic fever (See: Viral hemorrhagic fevers)
  165. Arm fracture (See: Broken arm)
  166. Arrhythmia (See: Heart arrhythmias)
  167. Arteriosclerosis / atherosclerosis
  168. Arteriovenous fistula
  169. Arteriovenous malformation
  170. Arteritis, giant cell (See: Giant cell arteritis)
  171. Arteritis, Takayasu's (See: Takayasu's arteritis)
  172. Arthritis
  173. Arthritis, basal joint (See: Thumb arthritis)
  174. Arthritis, gouty (See: Gout)
  175. Arthritis, infectious (See: Septic arthritis)
  176. Arthritis, juvenile rheumatoid (See: Juvenile rheumatoid arthritis)
  177. Arthritis, osteoarthritis (See: Osteoarthritis)
  178. Arthritis, psoriatic (See: Psoriatic arthritis)
  179. Arthritis, reactive (See: Reactive arthritis)
  180. Arthritis, rheumatoid (See: Rheumatoid arthritis)
  181. Arthritis, septic (See: Septic arthritis)
  182. Arthritis, thumb (See: Thumb arthritis)
  183. Asbestosis
  184. Ascariasis
  185. ASD (See: Atrial septal defect)
  186. Aspergillosis
  187. Asthma
  188. Asthma attack
  189. Asthma, childhood (See: Childhood asthma)
  190. Asthma, exercise-induced (See: Exercise-induced asthma)
  191. Asthma, occupational (See: Occupational asthma)
  192. Astigmatism
  193. Astrocytoma
  194. AT (See: Atrial tachycardia)
  195. Ataxia
  196. Atelectasis
  197. Atherosclerosis (See: Arteriosclerosis / atherosclerosis)
  198. Athlete’s foot
  199. Atopic dermatitis (eczema)
  200. Atrial fibrillation
  201. Atrial flutter
  202. Atrial septal defect
  203. Atrial tachycardia
  204. Atrioventricular canal defect
  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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