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-Barre 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. Addiction, tobacco (See: Nicotine dependence)
  38. Addison's disease
  39. Adenitis, mesenteric (See: Mesenteric lymphadenitis)
  40. Adenomyosis
  41. ADHD in children (See: Attention-deficit/hyperactivity disorder (ADHD) in children)
  42. ADHD, Adult (See: Adult attention-deficit/hyperactivity disorder (ADHD))
  43. Adhesive capsulitis (See: Frozen shoulder)
  44. Adjustment disorders
  45. Adnexal tumors
  46. Adolescent schizophrenia (See: Childhood schizophrenia)
  47. Adrenal cancer
  48. Adrenal gland tumor (See: Pheochromocytoma)
  49. Adrenal mass (See: Benign adrenal tumors)
  50. Adrenoleukodystrophy
  51. Adult attention-deficit/hyperactivity disorder (ADHD)
  52. Adult Still's disease
  53. Age spots (liver spots)
  54. Age-related macular degeneration, dry (See: Macular degeneration, dry)
  55. Age-related macular degeneration, wet (See: Macular degeneration, wet)
  56. Agnogenic myeloid metaplasia (See: Myelofibrosis)
  57. Agoraphobia
  58. AIDP (See: Guillain-Barre syndrome)
  59. AIDS/HIV (See: HIV/AIDS)
  60. Airplane ear
  61. Albinism
  62. Alcohol addiction (See: Alcohol use disorder)
  63. Alcohol intolerance
  64. Alcohol poisoning
  65. Alcohol use disorder
  66. Alcoholic hepatitis
  67. Alcohol-related birth defects (See: Fetal alcohol syndrome)
  68. Alcohol-related neurodevelopmental disorder (See: Fetal alcohol syndrome)
  69. Aldosteronoma (See: Primary aldosteronism)
  70. Allergic granulomatosis (See: Churg-Strauss syndrome)
  71. Allergic granulomatosis and angiitis (See: Churg-Strauss syndrome)
  72. Allergic reaction (See: Allergies)
  73. Allergic rhinitis (See: Hay fever)
  74. Allergies
  75. Allergy, dust mite (See: Dust mite allergy)
  76. Allergy, egg (See: Egg allergy)
  77. Allergy, food (See: Food allergy)
  78. Allergy, latex (See: Latex allergy)
  79. Allergy, milk (See: Milk allergy)
  80. Allergy, mold (See: Mold allergy)
  81. Allergy, nickel (See: Nickel allergy)
  82. Allergy, peanut (See: Peanut allergy)
  83. Allergy, penicillin (See: Penicillin allergy)
  84. Allergy, pet (See: Pet allergy)
  85. Allergy, shellfish (See: Shellfish allergy)
  86. Allergy, soy (See: Soy allergy)
  87. Allergy, wheat (See: Wheat allergy)
  88. Alopecia (See: Hair loss)
  89. Alpha-gal syndrome
  90. ALS (See: Amyotrophic lateral sclerosis (ALS))
  91. Alveolar osteitis (See: Dry socket)
  92. Alzheimer's disease
  93. Ambiguous genitalia
  94. Amblyopia (See: Lazy eye (amblyopia))
  95. Ameloblastoma
  96. Amenorrhea
  97. American trypanosomiasis (See: Chagas disease)
  98. Amnesia
  99. Amnesia, dissociative (See: Dissociative disorders)
  100. Amnesia, transient global (See: Transient global amnesia)
  101. Amnestic syndrome (See: Amnesia)
  102. Amniotic fluid embolism
  103. Ampullary cancer
  104. Amyloidosis
  105. Amyotrophic lateral sclerosis (ALS)
  106. Anal cancer
  107. Anal fissure
  108. Anal fistula
  109. Anal itching
  110. Anaphylaxis
  111. Anaplasmosis (See: Ehrlichiosis)
  112. Anemia
  113. Anemia, aplastic (See: Aplastic anemia)
  114. Anemia, Cooley's (See: Thalassemia)
  115. Anemia, iron deficiency (See: Iron deficiency anemia)
  116. Anemia, Mediterranean (See: Thalassemia)
  117. Anemia, sickle cell (See: Sickle cell anemia)
  118. Anemia, vitamin deficiency (See: Vitamin deficiency anemia)
  119. Aneurysm, abdominal aortic (See: Abdominal aortic aneurysm)
  120. Aneurysm, aortic (See: Thoracic aortic aneurysm)
  121. Aneurysm, brain (See: Brain aneurysm)
  122. Aneurysm, cerebral (See: Brain 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 (See: Thoracic aortic aneurysm)
  150. Aortic aneurysm
  151. Aortic coarctation (See: Coarctation of the aorta)
  152. Aortic dissection
  153. Aortic valve disease
  154. Aortic valve regurgitation
  155. Aortic valve stenosis
  156. Aphasia
  157. Aphasia, primary progressive (See: Primary progressive aphasia)
  158. Aphthous ulcer (See: Canker sore)
  159. Apical ballooning syndrome (See: Broken heart syndrome)
  160. Aplastic anemia
  161. Apnea, sleep (See: Sleep apnea)
  162. Apnea, sleep (central) (See: Sleep apnea, central)
  163. Apnea, sleep (obstructive) (See: Sleep apnea, obstructive)
  164. Appendicitis
  165. ARDS
  166. Arenaviruses (See: Viral hemorrhagic fevers)
  167. Argentine hemorrhagic fever (See: Viral hemorrhagic fevers)
  168. Arm fracture (See: Broken arm)
  169. Arrhythmia (See: Heart arrhythmias)
  170. Arteriosclerosis / atherosclerosis
  171. Arteriovenous fistula
  172. Arteriovenous malformation
  173. Arteritis, giant cell (See: Giant cell arteritis)
  174. Arteritis, Takayasu's (See: Takayasu's arteritis)
  175. Arthritis
  176. Arthritis, basal joint (See: Thumb arthritis)
  177. Arthritis, degenerative (See: Osteoarthritis)
  178. Arthritis, gouty (See: Gout)
  179. Arthritis, infectious (See: Septic arthritis)
  180. Arthritis, juvenile idiopathic (See: Juvenile idiopathic arthritis)
  181. Arthritis, osteoarthritis (See: Osteoarthritis)
  182. Arthritis, psoriatic (See: Psoriatic arthritis)
  183. Arthritis, reactive (See: Reactive arthritis)
  184. Arthritis, rheumatoid (See: Rheumatoid arthritis)
  185. Arthritis, septic (See: Septic arthritis)
  186. Arthritis, thumb (See: Thumb arthritis)
  187. Asbestosis
  188. Ascariasis
  189. ASD (See: Atrial septal defect)
  190. Aspergillosis
  191. Asthma
  192. Asthma attack
  193. Asthma, childhood (See: Childhood asthma)
  194. Asthma, exercise-induced (See: Exercise-induced asthma)
  195. Asthma, occupational (See: Occupational asthma)
  196. Astigmatism
  197. Astrocytoma
  198. AT (See: Atrial tachycardia)
  199. Ataxia
  200. Atelectasis
  201. Atherosclerosis (See: Arteriosclerosis / atherosclerosis)
  202. Athlete's foot
  203. Atopic dermatitis (eczema)
  204. Atrial fibrillation
  205. Atrial flutter
  206. Atrial septal defect
  207. Atrial tachycardia
  208. Atrioventricular canal defect
  209. Atrioventricular nodal reentry tachycardia (AVNRT)
  210. Atrioventricular septal defect (See: Atrioventricular canal defect)
  211. Atrophic vaginitis (See: Vaginal atrophy)
  212. Attachment disorder (See: Reactive attachment disorder)
  213. Attention-deficit/hyperactivity disorder (ADHD) in children
  214. Attention-deficit/hyperactivity disorder in adults (See: Adult attention-deficit/hyperactivity disorder (ADHD))
  215. Atypical depression
  216. Atypical hyperplasia of the breast
  217. Autism spectrum disorder
  218. Autoimmune hepatitis
  219. Autoimmune pancreatitis
  220. Autonomic neuropathy
  221. Avascular necrosis
  222. Avian influenza (See: Bird flu (avian influenza))
  223. AVNRT (See: Atrioventricular nodal reentry tachycardia (AVNRT))
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