C

  1. C. difficile colitis, also known asPseudomembranous colitis)
  2. C. difficile infection
  3. Calciphylaxis
  4. Calluses and corns, also known asCorns and calluses)
  5. Cancer
  6. Cancer of unknown origin, also known asCarcinoma of unknown primary)
  7. Cancer, acute lymphocytic leukemia, also known asAcute lymphocytic leukemia)
  8. Cancer, anal, also known asAnal cancer)
  9. Cancer, basal cell, also known asBasal cell carcinoma)
  10. Cancer, bladder, also known asBladder cancer)
  11. Cancer, bone, also known asBone cancer)
  12. Cancer, breast, also known asBreast cancer)
  13. Cancer, carcinoid tumors, also known asCarcinoid tumors)
  14. Cancer, cervical, also known asCervical cancer)
  15. Cancer, chronic lymphocytic leukemia, also known asChronic lymphocytic leukemia)
  16. Cancer, chronic myelogenous leukemia, also known asChronic myelogenous leukemia)
  17. Cancer, colon, also known asColon cancer)
  18. Cancer, endometrial, also known asEndometrial cancer)
  19. Cancer, esophageal, also known asEsophageal cancer)
  20. Cancer, eye melanoma, also known asEye melanoma)
  21. Cancer, gallbladder, also known asGallbladder cancer)
  22. Cancer, gastric, also known asStomach cancer)
  23. Cancer, hairy cell leukemia, also known asHairy cell leukemia)
  24. Cancer, Hodgkin's disease, also known asHodgkin's lymphoma (Hodgkin's disease))
  25. Cancer, Hodgkin's disease, also known asHodgkin lymphoma (Hodgkin disease))
  26. Cancer, Hurthle cell, also known asHurthle cell cancer)
  27. Cancer, inflammatory breast, also known asInflammatory breast cancer)
  28. Cancer, kidney, also known asKidney cancer)
  29. Cancer, leukemia, also known asLeukemia)
  30. Cancer, lip, also known asMouth cancer)
  31. Cancer, liver, also known asLiver cancer)
  32. Cancer, lung, also known asLung cancer)
  33. Cancer, male breast, also known asMale breast cancer)
  34. Cancer, Merkel cell, also known asMerkel cell carcinoma)
  35. Cancer, mesothelioma, also known asMesothelioma)
  36. Cancer, mouth, also known asMouth cancer)
  37. Cancer, multiple myeloma, also known asMultiple myeloma)
  38. Cancer, nasopharyngeal, also known asNasopharyngeal carcinoma)
  39. Cancer, neuroblastoma, also known asNeuroblastoma)
  40. Cancer, non-Hodgkin's lymphoma, also known asNon-Hodgkin lymphoma)
  41. Cancer, oral, also known asMouth cancer)
  42. Cancer, ovarian, also known asOvarian cancer)
  43. Cancer, pancreatic, also known asPancreatic cancer)
  44. Cancer, paraneoplastic syndromes, also known asParaneoplastic syndromes of the nervous system)
  45. Cancer, prostate, also known asProstate cancer)
  46. Cancer, rectal, also known asRectal cancer)
  47. Cancer, retinoblastoma, also known asRetinoblastoma)
  48. Cancer, skin, also known asSkin cancer)
  49. Cancer, soft tissue sarcoma, also known asSoft tissue sarcoma)
  50. Cancer, squamous cell, also known asSquamous cell carcinoma of the skin)
  51. Cancer, stomach, also known asStomach cancer)
  52. Cancer, testicular, also known asTesticular cancer)
  53. Cancer, throat, also known asThroat cancer)
  54. Cancer, thyroid, also known asThyroid cancer)
  55. Cancer, uterine, also known asEndometrial cancer)
  56. Cancer, vagina, also known asVaginal cancer)
  57. Cancer, vulvar, also known asVulvar cancer)
  58. Cancer, Wilms' tumor, also known asWilms tumor)
  59. Candidiasis, oral, also known asOral thrush)
  60. Candidiasis, vaginal, also known asYeast infection (vaginal))
  61. Canker sore
  62. Carbon monoxide poisoning
  63. Carbuncles and boils, also known asBoils and carbuncles)
  64. Carcinoid syndrome
  65. Carcinoid tumors
  66. Carcinoma of unknown primary
  67. Cardiac arrest, sudden, also known asSudden cardiac arrest)
  68. Cardiac ischemia, also known asMyocardial ischemia)
  69. Cardiogenic shock
  70. Cardiomegaly, also known asEnlarged heart)
  71. Cardiomyopathy
  72. Cardiomyopathy, dilated, also known asDilated cardiomyopathy)
  73. Cardiomyopathy, hypertrophic, also known asHypertrophic cardiomyopathy)
  74. Cardiospasm, also known asAchalasia)
  75. Cardiovascular disease, also known asHeart disease)
  76. Carotid artery disease
  77. Carotid artery stenosis, also known asCarotid artery disease)
  78. Carotid insufficiency, also known asCarotid artery disease)
  79. Carpal tunnel syndrome
  80. CAS, also known asChildhood apraxia of speech)
  81. Castleman disease
  82. Cataracts
  83. Cavernous malformations
  84. Cavities and tooth decay
  85. CDH, also known asCongenital diaphragmatic hernia (CDH))
  86. Celiac artery compression, also known asMedian arcuate ligament syndrome (MALS))
  87. Celiac artery compression syndrome, also known asMedian arcuate ligament syndrome (MALS))
  88. Celiac axis syndrome, also known asMedian arcuate ligament syndrome (MALS))
  89. Celiac disease
  90. Celiac trunk compression syndrome, also known asMedian arcuate ligament syndrome (MALS))
  91. CELLO, also known asBarrett's esophagus)
  92. Cellulite
  93. Cellulitis
  94. Central auditory processing disorder, also known asAuditory processing disorder)
  95. Central nervous system vascular malformations
  96. Central sleep apnea
  97. Cercarial dermatitis, also known asSwimmer's itch)
  98. Cerebral aneurysm, also known asBrain aneurysm)
  99. Cerebral palsy
  100. Cerebrospinal fluid leak, also known asCSF leak (Cerebrospinal fluid leak))
  101. Cerebrovascular accident, also known asStroke)
  102. Cerumen impaction, also known asEarwax blockage)
  103. Cervical cancer
  104. Cervical dystonia
  105. Cervical osteoarthritis, also known asCervical spondylosis)
  106. Cervical pain, also known asNeck pain)
  107. Cervical spondylosis
  108. Cervicitis
  109. CF, also known asCystic fibrosis)
  110. Chagas disease
  111. Charcot-Marie-Tooth disease
  112. CHD, also known asHip dysplasia)
  113. Chemical dependency, also known asDrug addiction (substance use disorder))
  114. Chemo brain
  115. Chest pain
  116. Chest wall pain, also known asCostochondritis)
  117. Chiari malformation
  118. Chickenpox
  119. Chilblains
  120. Child abuse
  121. Child maltreatment, also known asChild abuse)
  122. Childhood apraxia of speech
  123. Childhood asthma
  124. Childhood obesity
  125. Childhood schizophrenia
  126. Chlamydia, also known asChlamydia trachomatis)
  127. Chlamydia trachomatis
  128. Cholangiocarcinoma (bile duct cancer)
  129. Cholangitis, primary sclerosing, also known asPrimary sclerosing cholangitis)
  130. Cholecystitis
  131. Cholera
  132. Cholestasis of pregnancy
  133. Chondrosarcoma
  134. Chordoma
  135. Chorea, Huntington's, also known asHuntington's disease)
  136. Choroid plexus carcinoma
  137. Chronic adrenal insufficiency, also known asAddison's disease)
  138. Chronic compartment syndrome, also known asChronic exertional compartment syndrome)
  139. Chronic cough
  140. Chronic daily headaches
  141. Chronic exertional compartment syndrome
  142. Chronic fatigue syndrome, also known asMyalgic encephalomyelitis/chronic fatigue syndrome (ME/CFS))
  143. Chronic granulomatous disease
  144. Chronic hives
  145. Chronic kidney disease
  146. Chronic kidney failure, also known asChronic kidney disease)
  147. Chronic lymphocytic leukemia
  148. Chronic lymphocytic thyroiditis, also known asHashimoto's disease)
  149. Chronic myelogenous leukemia
  150. Chronic obstructive pulmonary disease, also known asCOPD)
  151. Chronic pelvic pain
  152. Chronic renal failure, also known asChronic kidney disease)
  153. Chronic sinusitis
  154. Chronic traumatic encephalopathy
  155. Chronic vulvar pain, also known asVulvodynia)
  156. Churg-Strauss syndrome
  157. Cirrhosis
  158. CJD, also known asCreutzfeldt-Jakob disease)
  159. CKD, also known asChronic kidney disease)
  160. Claudication
  161. Cleft lip and cleft palate
  162. Click-murmur syndrome, also known asMitral valve prolapse)
  163. Clinical depression, also known asDepression (major depressive disorder))
  164. CLL, also known asChronic lymphocytic leukemia)
  165. Clostridioides difficile infection, also known asC. difficile infection)
  166. Clostridium difficile infection, also known asC. difficile infection)
  167. Clubfoot
  168. Cluster headache
  169. Coarctation of the aorta
  170. Coccidioidomycosis, also known asValley fever)
  171. Cold allergy, also known asCold urticaria)
  172. Cold exposure, also known asHypothermia)
  173. Cold sore
  174. Cold urticaria
  175. Cold, common, also known asCommon cold)
  176. Colic
  177. Colitis, ischemic, also known asIschemic colitis)
  178. Colitis, microscopic, also known asMicroscopic colitis)
  179. Colitis, pseudomembranous, also known asPseudomembranous colitis)
  180. Colitis, ulcerative, also known asUlcerative colitis)
  181. Collapsed lung, also known asAtelectasis)
  182. Collapsed lung, also known asPneumothorax)
  183. Colon cancer
  184. Colon polyps
  185. Colonic ischemia, also known asIschemic colitis)
  186. Color blindness
  187. Colorectal cancer, also known asColon cancer)
  188. Columnar epithelium lined lower esophagus, also known asBarrett's esophagus)
  189. Coma
  190. Common cold
  191. Common cold in babies
  192. Common variable immunodeficiency
  193. Common warts
  194. Complex regional pain syndrome
  195. Complicated bereavement, also known asComplicated grief)
  196. Complicated grief
  197. Compulsive gambling
  198. Compulsive hoarding syndrome, also known asHoarding disorder)
  199. Compulsive overeating, also known asBinge-eating disorder)
  200. Compulsive sexual behavior
  201. Compulsive stealing, also known asKleptomania)
  202. Concussion
  203. Condylomata acuminata, also known asGenital warts)
  204. Congenital adrenal hyperplasia
  205. Congenital diaphragmatic hernia (CDH)
  206. Congenital heart defects in children
  207. Congenital heart disease in adults
  208. Congenital hip dislocation, also known asHip dysplasia)
  209. Congenital megacolon, also known asHirschsprung's disease)
  210. Congenital mitral valve anomalies
  211. Congenital myasthenic syndromes
  212. Congenital plagiocephaly, also known asCraniosynostosis)
  213. Congestive heart failure, also known asHeart failure)
  214. Conjoined twins
  215. Conjunctivitis, also known asPink eye (conjunctivitis))
  216. Constipation
  217. Constipation in children
  218. Contact dermatitis
  219. Conversion disorder, also known asFunctional neurologic disorder/conversion disorder)
  220. Cooley's anemia, also known asThalassemia)
  221. COPD
  222. Corns and calluses
  223. Coronary artery disease
  224. Coronary microvascular disease, also known asSmall vessel disease)
  225. Coronavirus disease 2019 (COVID-19)
  226. Corticobasal degeneration (corticobasal syndrome)
  227. Costochondritis
  228. Costosternal chondrodynia, also known asCostochondritis)
  229. Costosternal syndrome, also known asCostochondritis)
  230. Cough headaches
  231. Cough, chronic, also known asChronic cough)
  232. COVID-19, also known asCoronavirus disease 2019 (COVID-19))
  233. COVID-19-associated multisystem inflammatory syndrome in children, also known asMultisystem inflammatory syndrome in children (MIS-C))
  234. Crabs, also known asPubic lice (crabs))
  235. Cradle cap
  236. Cramp, muscle, also known asMuscle cramp)
  237. Cramps, menstrual, also known asMenstrual cramps)
  238. Cranial arteritis, also known asGiant cell arteritis)
  239. Craniopharyngioma
  240. Craniosynostosis
  241. Creutzfeldt-Jakob disease
  242. Crib death, also known asSudden infant death syndrome (SIDS))
  243. Crohn's disease
  244. Croup
  245. CRPS, also known asComplex regional pain syndrome)
  246. Cryoglobulinemia
  247. Cryptorchidism, also known asUndescended testicle)
  248. CSF leak (Cerebrospinal fluid leak)
  249. CTCL, also known asCutaneous T-cell lymphoma)
  250. Curvature of the penis, also known asPeyronie disease)
  251. Curvature of the spine, also known asScoliosis)
  252. Cushing syndrome
  253. Cutaneous B-cell lymphoma
  254. Cutaneous T-cell lymphoma
  255. Cutting/self-injury, also known asSelf-injury/cutting)
  256. CVA, also known asStroke)
  257. CVID, also known asCommon variable immunodeficiency)
  258. Cyclic vomiting syndrome
  259. Cyclothymia (cyclothymic disorder)
  260. Cyclothymic disorder, also known asCyclothymia (cyclothymic disorder))
  261. Cyst, Bartholin's, also known asBartholin's cyst)
  262. Cyst, ganglion, also known asGanglion cyst)
  263. Cyst, kidney, also known asKidney cysts)
  264. Cyst, ovarian, also known asOvarian cysts)
  265. Cyst, pancreatic, also known asPancreatic cysts)
  266. Cyst, pilonidal, also known asPilonidal cyst)
  267. Cyst, spermatic, also known asSpermatocele)
  268. Cystic fibrosis
  269. Cystitis
  270. Cystitis, interstitial, also known asInterstitial cystitis)
  271. Cystocele, also known asAnterior vaginal prolapse (cystocele))
  272. Cysts, epidermoid, also known asEpidermoid cysts)
  273. Cysts, sebaceous, also known asEpidermoid cysts)
  274. Cytomegalovirus (CMV) infection
  275. Cytomegalovirus infection, also known asCytomegalovirus (CMV) infection)
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