S

  1. Sacral dimple
  2. Sacroiliitis
  3. SAD (See: Seasonal affective disorder (SAD))
  4. Salivary gland tumors
  5. Salmonella infection
  6. Salmonellosis (See: Salmonella infection)
  7. Sarcoidosis
  8. Sarcoma
  9. Sarcoma, bone cancer (See: Bone cancer)
  10. Sarcoma, soft tissue (See: Soft tissue sarcoma)
  11. Scabies
  12. SCAD (See: Spontaneous coronary artery dissection (SCAD))
  13. Scalded mouth syndrome (See: Burning mouth syndrome)
  14. Scarlatina (See: Scarlet fever)
  15. Scarlet fever
  16. Schizoaffective disorder
  17. Schizoid personality disorder
  18. Schizophrenia
  19. Schizophrenia, adolescent (See: Childhood schizophrenia)
  20. Schizophrenia, childhood (See: Childhood schizophrenia)
  21. Schizophrenia, juvenile (See: Childhood schizophrenia)
  22. Schizotypal personality disorder
  23. Schwannoma
  24. Sciatica
  25. Scleroderma
  26. Scleroderma, limited (See: Limited scleroderma)
  27. Sclerosing cholangitis (See: Primary sclerosing cholangitis)
  28. Sclerosing mesenteritis
  29. Sclerosis, amyotrophic lateral (See: Amyotrophic lateral sclerosis (ALS))
  30. Sclerosis, multiple (See: Multiple sclerosis)
  31. Sclerosis, systemic (See: Scleroderma)
  32. Scoliosis
  33. Scorpion sting
  34. Scrotal masses
  35. Seasonal affective disorder (SAD)
  36. Seasonal allergy (See: Hay fever)
  37. Sebaceous carcinoma
  38. Sebaceous cysts (See: Epidermoid cysts)
  39. Seborrheic dermatitis
  40. Seborrheic keratosis
  41. Secondary brain cancer (See: Brain metastases)
  42. Secondary hypertension
  43. Seizure disorder (See: Epilepsy)
  44. Seizure, absence (See: Absence seizure)
  45. Seizure, febrile (See: Febrile seizure)
  46. Seizure, grand mal (See: Grand mal seizure)
  47. Seizure, petit mal (See: Absence seizure)
  48. Seizure, temporal lobe (See: Temporal lobe seizure)
  49. Seizures
  50. Selective IgA deficiency
  51. Self harming (See: Self-injury/cutting)
  52. Self-injury/cutting
  53. Separated shoulder
  54. Separation anxiety disorder
  55. Sepsis
  56. Septal defect, atrial (See: Atrial septal defect)
  57. Septal defect, atrioventricular (See: Atrioventricular canal defect)
  58. Septal defect, ventricular (See: Ventricular septal defect)
  59. Septic arthritis
  60. Serotonin syndrome
  61. Severe acute respiratory syndrome (See: Severe acute respiratory syndrome (SARS))
  62. Severe acute respiratory syndrome (SARS)
  63. Severe brain injury, coma (See: Coma)
  64. Sex headaches
  65. Sexual dysfunction, female (See: Female sexual dysfunction)
  66. Sexual obsession (See: Compulsive sexual behavior)
  67. Sexually transmitted diseases (STDs)
  68. Shaken baby syndrome
  69. Sheehan's syndrome
  70. Shellfish allergy
  71. Shigella infection
  72. Shin splints
  73. Shingles
  74. Short bowel syndrome
  75. Shoulder dislocation (See: Dislocated shoulder)
  76. Shoulder separation (See: Separated shoulder)
  77. Shy-Drager syndrome (See: Multiple system atrophy (MSA))
  78. Sick sinus syndrome
  79. Sickle cell anemia
  80. SIDS (See: Sudden infant death syndrome (SIDS))
  81. Sin Nombre virus infection (See: Hantavirus pulmonary syndrome)
  82. Sinus headaches
  83. Sinusitis, acute (See: Acute sinusitis)
  84. Sinusitis, chronic (See: Chronic sinusitis)
  85. Sjogren's syndrome
  86. Skin cancer
  87. Skin cancer, melanoma (See: Melanoma)
  88. Skin, dry (See: Dry skin)
  89. Skin, itchy (See: Itchy skin (pruritus))
  90. Skipped heartbeats (See: Heart palpitations)
  91. Slapped cheek disease (See: Parvovirus infection)
  92. Sleep apnea
  93. Sleep apnea in children, obstructive (See: Pediatric obstructive sleep apnea)
  94. Sleep apnea, central
  95. Sleep apnea, obstructive
  96. Sleep disorders
  97. Sleep terrors (See: Sleep terrors (night terrors))
  98. Sleep terrors (night terrors)
  99. Sleepiness, daytime (See: Narcolepsy)
  100. Sleeplessness (See: Insomnia)
  101. Sleep-related eating disorder
  102. Sleepwalking
  103. Slipped disk (See: Herniated disk)
  104. Slow heartbeat (See: Bradycardia)
  105. Small bowel cancer
  106. Small bowel prolapse (See: Small bowel prolapse (enterocele))
  107. Small bowel prolapse (enterocele)
  108. Small intestine prolapse (See: Small bowel prolapse (enterocele))
  109. Small vessel disease
  110. Smallpox
  111. Snoring
  112. Social anxiety disorder
  113. Social anxiety disorder (social phobia) (See: Social anxiety disorder)
  114. Soft palate cancer
  115. Soft tissue sarcoma
  116. Solar keratosis (See: Actinic keratosis)
  117. Solar lentigines (See: Age spots (liver spots))
  118. Solitary fibrous tumor
  119. Solitary rectal ulcer syndrome
  120. Somatic symptom disorder
  121. Somnambulism (See: Sleepwalking)
  122. Sore throat
  123. Soy allergy
  124. Spasmodic torticollis (See: Cervical dystonia)
  125. Specific phobias
  126. Specific reading disability (See: Dyslexia)
  127. Spermatocele
  128. Spider bites
  129. Spina bifida
  130. Spinal arteriovenous malformation (AVM)
  131. Spinal cord injury
  132. Spinal cord tumor
  133. Spinal curvature (See: Scoliosis)
  134. Spinal headaches
  135. Spinal stenosis
  136. Splenomegaly (See: Enlarged spleen (splenomegaly))
  137. Spondylosis, cervical (See: Cervical spondylosis)
  138. Spontaneous coronary artery dissection (SCAD)
  139. Sprained ankle
  140. Sprains
  141. Squamous cell carcinoma of the skin
  142. Stable angina (See: Angina)
  143. Stage 4 prostate cancer
  144. Stagnant syndrome (See: Blind loop syndrome)
  145. Stammering (See: Stuttering)
  146. Staph infections
  147. Statis syndrome (See: Blind loop syndrome)
  148. STDs (See: Sexually transmitted diseases (STDs))
  149. Steele-Richardson-Olszewski syndrome (See: Progressive supranuclear palsy)
  150. Stein-Leventhal syndrome (See: Polycystic ovary syndrome (PCOS))
  151. Stenosing tenosynovitis (See: Trigger finger)
  152. Stenosis, aortic valve (See: Aortic valve stenosis)
  153. Stenosis, mitral valve (See: Mitral valve stenosis)
  154. Stenosis, pulmonary valve (See: Pulmonary valve stenosis)
  155. Stenosis, pyloric (See: Pyloric stenosis)
  156. Stenosis, spinal (See: Spinal stenosis)
  157. Stevens-Johnson syndrome
  158. Stickler syndrome
  159. Stings, bee (See: Bee sting)
  160. Stings, jellyfish (See: Jellyfish stings)
  161. Stings, scorpion (See: Scorpion sting)
  162. Stomach cancer
  163. Stomach flu (See: Viral gastroenteritis)
  164. Stomach pain, nonulcer (See: Nonulcer stomach pain)
  165. Stomach polyps
  166. Stomatodynia (See: Burning mouth syndrome)
  167. Stones, kidney (See: Kidney stones)
  168. Stool holding (See: Encopresis)
  169. Strawberry hemangioma (See: Hemangioma)
  170. Strep throat
  171. Stress cardiomyopathy (See: Broken heart syndrome)
  172. Stress fractures
  173. Stress incontinence
  174. Stretch marks
  175. Stroke
  176. Stump pain (See: Phantom pain)
  177. Stuttering
  178. Sty
  179. Subarachnoid hemorrhage
  180. Subconjunctival hemorrhage (broken blood vessel in eye)
  181. Subdural hematoma (See: Intracranial hematoma)
  182. Subfertility (See: Infertility)
  183. Sudden cardiac arrest
  184. Sudden infant death syndrome (SIDS)
  185. Suicide (See: Suicide and suicidal thoughts)
  186. Suicide and suicidal thoughts
  187. Sun allergy
  188. Sun poisoning (See: Polymorphous light eruption)
  189. Sunburn
  190. Sunken chest (See: Pectus excavatum)
  191. Supraventricular tachycardia
  192. Suspicious breast lumps
  193. SVT (See: Supraventricular tachycardia)
  194. Sweating and body odor
  195. Sweating, abnormally excessive (See: Hyperhidrosis)
  196. Sweet's syndrome
  197. Swimmer's ear
  198. Swimmer's itch
  199. Swine flu (H1N1 flu)
  200. Swollen knee
  201. Swollen lymph nodes
  202. Syncope, vasovagal (See: Vasovagal syncope)
  203. Syndrome X (See: Metabolic syndrome)
  204. Synostosis (See: Craniosynostosis)
  205. Synovial sarcoma
  206. Syphilis
  207. Syringomyelia
  208. Systemic capillary leak syndrome
  209. Systemic lupus erythematosus (See: Lupus)
  210. Systemic mastocytosis
  211. Systemic sclerosis (See: Scleroderma)
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