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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-injury/cutting
  52. Separated shoulder
  53. Separation anxiety disorder
  54. Sepsis
  55. Septal defect, atrial (See: Atrial septal defect)
  56. Septal defect, atrioventricular (See: Atrioventricular canal defect)
  57. Septal defect, ventricular (See: Ventricular septal defect)
  58. Septic arthritis
  59. Serotonin syndrome
  60. Severe acute respiratory syndrome (See: Severe acute respiratory syndrome (SARS))
  61. Severe acute respiratory syndrome (SARS)
  62. Severe brain injury, coma (See: Coma)
  63. Sex headaches
  64. Sexual dysfunction, female (See: Female sexual dysfunction)
  65. Sexual obsession (See: Compulsive sexual behavior)
  66. Sexually transmitted diseases
  67. Shaken baby syndrome
  68. Sheehan's syndrome
  69. Shellfish allergy
  70. Shigella infection
  71. Shin splints
  72. Shingles
  73. Short bowel syndrome
  74. Shoulder dislocation (See: Dislocated shoulder)
  75. Shoulder separation (See: Separated shoulder)
  76. Shy-Drager syndrome (See: Multiple system atrophy (MSA))
  77. Sick sinus syndrome
  78. Sickle cell anemia
  79. SIDS (See: Sudden infant death syndrome (SIDS))
  80. Sin Nombre virus infection (See: Hantavirus pulmonary syndrome)
  81. Sinus headache (See: Sinus headaches)
  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, central
  94. Sleep apnea, obstructive
  95. Sleep disorders
  96. Sleep terrors (See: Sleep terrors (night terrors))
  97. Sleep terrors (night terrors)
  98. Sleepiness, daytime (See: Narcolepsy)
  99. Sleeplessness (See: Insomnia)
  100. Sleep-related eating disorder
  101. Sleepwalking
  102. Slipped disk (See: Herniated disk)
  103. Slow heartbeat (See: Bradycardia)
  104. Small bowel cancer
  105. Small bowel prolapse (enterocele)
  106. Small vessel disease
  107. Smallpox
  108. Smoking (See: Nicotine dependence)
  109. Snoring
  110. Social anxiety disorder
  111. Social anxiety disorder (social phobia) (See: Social anxiety disorder)
  112. Soft palate cancer
  113. Soft tissue sarcoma
  114. Solar keratosis (See: Actinic keratosis)
  115. Solar lentigines (See: Age spots (liver spots))
  116. Solitary fibrous tumor
  117. Solitary rectal ulcer syndrome
  118. Somatic symptom disorder
  119. Somnambulism (See: Sleepwalking)
  120. Sore throat
  121. Soy allergy
  122. Spasmodic torticollis (See: Cervical dystonia)
  123. Specific phobias
  124. Specific reading disability (See: Dyslexia)
  125. Spermatocele
  126. Spider bites
  127. Spina bifida
  128. Spinal arteriovenous malformation (AVM)
  129. Spinal cord injury
  130. Spinal cord tumor
  131. Spinal curvature (See: Scoliosis)
  132. Spinal headaches
  133. Spinal stenosis
  134. Splenomegaly (See: Enlarged spleen (splenomegaly))
  135. Spondylitis (See: Ankylosing spondylitis)
  136. Spondylosis, cervical (See: Cervical spondylosis)
  137. Spontaneous coronary artery dissection (SCAD)
  138. Sprained ankle
  139. Sprains and strains
  140. Sprue, celiac (See: Celiac disease)
  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)
  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. Strains and sprains (See: Sprains and strains)
  170. Strawberry hemangioma (See: Hemangioma)
  171. Strep throat
  172. Stress cardiomyopathy (See: Broken heart syndrome)
  173. Stress fractures
  174. Stress incontinence
  175. Stretch marks
  176. Stroke
  177. Stump pain (See: Phantom pain)
  178. Stuttering
  179. Sty
  180. Subarachnoid hemorrhage
  181. Subconjunctival hemorrhage (broken blood vessel in eye)
  182. Subdural hematoma (See: Intracranial hematoma)
  183. Subfertility (See: Infertility)
  184. Sudden cardiac arrest
  185. Sudden infant death syndrome (SIDS)
  186. Suicide (See: Suicide and suicidal thoughts)
  187. Suicide and suicidal thoughts
  188. Sun allergy
  189. Sun poisoning (See: Polymorphous light eruption)
  190. Sunburn
  191. Sunken chest (See: Pectus excavatum)
  192. Supraventricular tachycardia
  193. Suspicious breast lumps
  194. SVT (See: Supraventricular tachycardia)
  195. Swallowing difficulties (See: Dysphagia)
  196. Sweating and body odor
  197. Sweating, excessive (See: Hyperhidrosis)
  198. Sweet's syndrome
  199. Swimmer's ear
  200. Swimmer's itch
  201. Swine flu (H1N1 flu)
  202. Swollen knee
  203. Swollen lymph nodes
  204. Syncope, vasovagal (See: Vasovagal syncope)
  205. Syndrome X (See: Metabolic syndrome)
  206. Synostosis (See: Craniosynostosis)
  207. Synovial sarcoma
  208. Syphilis
  209. Syringomyelia
  210. Systemic capillary leak syndrome
  211. Systemic mastocytosis
  212. Systemic sclerosis (See: Scleroderma)
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