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S

  1. Sacral dimple
  2. Sacroiliitis
  3. SAD (See: Seasonal affective disorder (SAD))
  4. Salivary gland cancer
  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)
  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, febrile (See: Febrile seizure)
  45. Seizure, grand mal (See: Grand mal seizure)
  46. Seizure, temporal lobe (See: Temporal lobe seizure)
  47. Seizures
  48. Selective IgA deficiency
  49. Self-injury/cutting
  50. Separated shoulder
  51. Separation anxiety
  52. Sepsis
  53. Septal defect, atrial (See: Atrial septal defect)
  54. Septal defect, atrioventricular (See: Atrioventricular canal defect)
  55. Septal defect, ventricular (See: Ventricular septal defect)
  56. Septic arthritis
  57. Serotonin syndrome
  58. Severe acute respiratory syndrome (See: Severe acute respiratory syndrome (SARS))
  59. Severe acute respiratory syndrome (SARS)
  60. Severe brain injury, coma (See: Coma)
  61. Sex headaches
  62. Sexual dysfunction, female (See: Female sexual dysfunction)
  63. Sexual obsession (See: Compulsive sexual behavior)
  64. Sexually transmitted diseases
  65. Shaken baby syndrome
  66. Sheehan's syndrome
  67. Shellfish allergy
  68. Shigella infection
  69. Shin splints
  70. Shingles
  71. Short bowel syndrome
  72. Short stature (See: Dwarfism)
  73. Shoulder dislocation (See: Dislocated shoulder)
  74. Shoulder separation (See: Separated shoulder)
  75. Shy-Drager syndrome (See: Multiple system atrophy (MSA))
  76. Sick sinus syndrome
  77. Sickle cell anemia
  78. SIDS (See: Sudden infant death syndrome (SIDS))
  79. Sin Nombre virus infection (See: Hantavirus pulmonary syndrome)
  80. Sinus headache (See: Sinus headaches)
  81. Sinus headaches
  82. Sinusitis, acute (See: Acute sinusitis)
  83. Sinusitis, chronic (See: Chronic sinusitis)
  84. Sjogren's syndrome
  85. Skin cancer
  86. Skin cancer, melanoma (See: Melanoma)
  87. Skin, dry (See: Dry skin)
  88. Skin, itchy (See: Itchy skin (pruritus))
  89. Skipped heartbeats (See: Heart palpitations)
  90. Slapped cheek disease (See: Parvovirus infection)
  91. Sleep apnea
  92. Sleep apnea, central
  93. Sleep apnea, obstructive
  94. Sleep disorders
  95. Sleep terrors (See: Sleep terrors (night terrors))
  96. Sleep terrors (night terrors)
  97. Sleepiness, daytime (See: Narcolepsy)
  98. Sleeplessness (See: Insomnia)
  99. Sleep-related eating disorder
  100. Sleepwalking
  101. Slipped disk (See: Herniated disk)
  102. Slow heartbeat (See: Bradycardia)
  103. Small bowel cancer
  104. Small bowel prolapse (enterocele)
  105. Small vessel disease
  106. Smallpox
  107. Smoking (See: Nicotine dependence)
  108. Snoring
  109. Social anxiety disorder
  110. Social anxiety disorder (social phobia) (See: Social anxiety disorder)
  111. Soft palate cancer
  112. Soft tissue sarcoma
  113. Solar keratosis (See: Actinic keratosis)
  114. Solar lentigines (See: Age spots (liver spots))
  115. Solitary fibrous tumor
  116. Solitary rectal ulcer syndrome
  117. Somatic symptom disorder
  118. Somnambulism (See: Sleepwalking)
  119. Sore throat
  120. Soy allergy
  121. Spasmodic torticollis (See: Cervical dystonia)
  122. Specific phobias
  123. Specific reading disability (See: Dyslexia)
  124. Spermatocele
  125. Spider bites
  126. Spina bifida
  127. Spinal arteriovenous malformation (AVM)
  128. Spinal cord injury
  129. Spinal cord tumor
  130. Spinal curvature (See: Scoliosis)
  131. Spinal headaches
  132. Spinal stenosis
  133. Splenomegaly (See: Enlarged spleen (splenomegaly))
  134. Spondylitis (See: Ankylosing spondylitis)
  135. Spondylosis, cervical (See: Cervical spondylosis)
  136. Spontaneous coronary artery dissection (SCAD)
  137. Sprained ankle
  138. Sprains and strains
  139. Sprue, celiac (See: Celiac disease)
  140. Squamous cell carcinoma of the skin
  141. Stable angina (See: Angina)
  142. Stage 4 prostate cancer
  143. Stagnant syndrome (See: Blind loop syndrome)
  144. Stammering (See: Stuttering)
  145. Staph infections
  146. Statis syndrome (See: Blind loop syndrome)
  147. STDs (See: Sexually transmitted diseases)
  148. Steele-Richardson-Olszewski syndrome (See: Progressive supranuclear palsy)
  149. Stein-Leventhal syndrome (See: Polycystic ovary syndrome (PCOS))
  150. Stenosing tenosynovitis (See: Trigger finger)
  151. Stenosis, aortic valve (See: Aortic valve stenosis)
  152. Stenosis, mitral valve (See: Mitral valve stenosis)
  153. Stenosis, pulmonary valve (See: Pulmonary valve stenosis)
  154. Stenosis, pyloric (See: Pyloric stenosis)
  155. Stenosis, spinal (See: Spinal stenosis)
  156. Stevens-Johnson syndrome
  157. Stickler syndrome
  158. Still's disease (See: Juvenile rheumatoid arthritis)
  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. 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. Suicide and suicidal thoughts (See: 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. Syphilis
  208. Syringomyelia
  209. Systemic capillary leak syndrome
  210. Systemic mastocytosis
  211. Systemic sclerosis (See: Scleroderma)
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