A

  1. Abdominal aortic aneurysm
  2. Abnormally excessive sweating (See: Hyperhidrosis)
  3. Abscess, Bartholin's (See: Bartholin's cyst)
  4. Absence seizure
  5. AC joint separation (See: Separated shoulder)
  6. Acanthosis nigricans
  7. Achalasia
  8. Achilles tendinitis
  9. Achilles tendon rupture
  10. Acid reflux (See: Gastroesophageal reflux disease (GERD))
  11. Acid reflux, infant (See: Infant reflux)
  12. ACL injury
  13. Acne
  14. Acoustic neuroma
  15. Acquired immunodeficiency syndrome (See: HIV/AIDS)
  16. Acromegaly
  17. Acromioclavicular joint separation (See: Separated shoulder)
  18. Actinic keratosis
  19. Acute coronary syndrome
  20. Acute febrile neutrophilic dermatosis (See: Sweet's syndrome)
  21. Acute inflammatory demyelinating polyneuropathy (See: Guillain-Barré syndrome)
  22. Acute kidney failure
  23. Acute liver failure
  24. Acute lymphoblastic leukemia (See: Acute lymphocytic leukemia)
  25. Acute lymphocytic leukemia
  26. Acute lymphoid leukemia (See: Acute lymphocytic leukemia)
  27. Acute myelogenous leukemia
  28. Acute radiation sickness (See: Radiation sickness)
  29. Acute radiation syndrome (See: Radiation sickness)
  30. Acute renal failure (See: Acute kidney failure)
  31. Acute respiratory distress syndrome (See: ARDS)
  32. Acute sinusitis
  33. Addiction, alcohol (See: Alcohol use disorder)
  34. Addiction, drug (See: Drug addiction (substance use disorder))
  35. Addiction, gambling (See: Compulsive gambling)
  36. Addiction, nicotine (See: Nicotine dependence)
  37. Addison's disease
  38. Adenitis, mesenteric (See: Mesenteric lymphadenitis)
  39. Adenomyosis
  40. ADHD in children (See: Attention-deficit/hyperactivity disorder (ADHD) in children)
  41. ADHD, Adult (See: Adult attention-deficit/hyperactivity disorder (ADHD))
  42. Adhesive capsulitis (See: Frozen shoulder)
  43. Adjustment disorders
  44. Adnexal tumors
  45. Adolescent schizophrenia (See: Childhood schizophrenia)
  46. Adrenal cancer
  47. Adrenal gland tumor (See: Pheochromocytoma)
  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-Barré 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 granulomatosis (See: Churg-Strauss syndrome)
  70. Allergic granulomatosis and angiitis (See: Churg-Strauss syndrome)
  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. Alpha-gal syndrome
  88. ALS (See: Amyotrophic lateral sclerosis (ALS))
  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 (ALS)
  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: Aortic aneurysm)
  119. Aneurysm, brain (See: Brain aneurysm)
  120. Aneurysm, cerebral (See: Brain aneurysm)
  121. Aneurysm, popliteal (See: Popliteal artery aneurysm)
  122. Aneurysm, thoracic aortic (See: Thoracic aortic aneurysm)
  123. Aneurysms
  124. Angelman syndrome
  125. Angiitis (See: Vasculitis)
  126. Angina
  127. Angina pectoris (See: Angina)
  128. Angioedema and hives (See: Hives and angioedema)
  129. Angiofollicular lymph node hyperplasia (See: Castleman disease)
  130. Angiosarcoma
  131. Anhidrosis
  132. Ankle fracture (See: Broken ankle)
  133. Ankle sprain (See: Sprained ankle)
  134. Ankyloglossia (See: Tongue-tie (ankyloglossia))
  135. Ankylosing spondylitis
  136. Anorexia (See: Anorexia nervosa)
  137. Anorexia nervosa
  138. Anorgasmia in women
  139. Anterior cruciate ligament injury (See: ACL injury)
  140. Anterior prolapse (cystocele)
  141. Anthrax
  142. Antibiotic-associated colitis (See: Pseudomembranous colitis)
  143. Antibiotic-associated diarrhea
  144. Antiphospholipid syndrome
  145. Antisocial personality disorder
  146. Anxiety disorder, generalized (See: Generalized anxiety disorder)
  147. Anxiety disorder, social (See: Social anxiety disorder)
  148. Anxiety disorders
  149. Aortic aneurysm
  150. Aortic coarctation (See: Coarctation of the aorta)
  151. Aortic dissection
  152. Aortic valve disease
  153. Aortic valve regurgitation
  154. Aortic valve stenosis
  155. Aphasia
  156. Aphasia, primary progressive (See: Primary progressive aphasia)
  157. Aphthous ulcer (See: Canker sore)
  158. Apical ballooning syndrome (See: Broken heart syndrome)
  159. Aplastic anemia
  160. Appendicitis
  161. ARDS
  162. Arenaviruses (See: Viral hemorrhagic fevers)
  163. Argentine hemorrhagic fever (See: Viral hemorrhagic fevers)
  164. Arm fracture (See: Broken arm)
  165. Arrhythmia (See: Heart arrhythmias)
  166. Arteriosclerosis / atherosclerosis
  167. Arteriovenous fistula
  168. Arteriovenous malformation
  169. Arteritis, giant cell (See: Giant cell arteritis)
  170. Arteritis, Takayasu's (See: Takayasu's arteritis)
  171. Arthritis
  172. Arthritis, basal joint (See: Thumb arthritis)
  173. Arthritis, degenerative (See: Osteoarthritis)
  174. Arthritis, gouty (See: Gout)
  175. Arthritis, infectious (See: Septic arthritis)
  176. Arthritis, juvenile idiopathic (See: Juvenile idiopathic 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 nodal reentry tachycardia (AVNRT)
  206. Atrioventricular septal defect (See: Atrioventricular canal defect)
  207. Atrophic vaginitis (See: Vaginal atrophy)
  208. Attachment disorder (See: Reactive attachment disorder)
  209. Attention-deficit/hyperactivity disorder (ADHD) in children
  210. Attention-deficit/hyperactivity disorder in adults (See: Adult attention-deficit/hyperactivity disorder (ADHD))
  211. Atypical depression
  212. Atypical hyperplasia of the breast
  213. Autism spectrum disorder
  214. Autoimmune hepatitis
  215. Autoimmune pancreatitis
  216. Autonomic neuropathy
  217. Avascular necrosis
  218. Avian influenza (See: Bird flu (avian influenza))
  219. AVNRT (See: Atrioventricular nodal reentry tachycardia (AVNRT))
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