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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. Sarcoidosis
  7. Sarcoma
  8. Sarcoma, bone cancer (See: Bone cancer)
  9. Sarcoma, soft tissue (See: Soft tissue sarcoma)
  10. Scabies
  11. SCAD (See: Spontaneous coronary artery dissection (SCAD))
  12. Scalded mouth syndrome (See: Burning mouth syndrome)
  13. Scarlatina (See: Scarlet fever)
  14. Scarlet fever
  15. Schizoaffective disorder
  16. Schizoid personality disorder
  17. Schizophrenia
  18. Schizophrenia, adolescent (See: Childhood schizophrenia)
  19. Schizophrenia, childhood (See: Childhood schizophrenia)
  20. Schizophrenia, juvenile (See: Childhood schizophrenia)
  21. Schizotypal personality disorder
  22. Schwannoma
  23. Sciatica
  24. Scleroderma
  25. Scleroderma, limited (See: Limited scleroderma)
  26. Sclerosing cholangitis (See: Primary sclerosing cholangitis)
  27. Sclerosing mesenteritis
  28. Sclerosis, amyotrophic lateral (See: Amyotrophic lateral sclerosis)
  29. Sclerosis, multiple (See: Multiple sclerosis)
  30. Sclerosis, systemic (See: Scleroderma)
  31. Scoliosis
  32. Scorpion sting
  33. Scrotal masses
  34. Seasonal affective disorder (SAD)
  35. Seasonal allergy (See: Hay fever)
  36. Sebaceous carcinoma
  37. Sebaceous cysts (See: Epidermoid cysts)
  38. Seborrheic dermatitis
  39. Seborrheic keratosis
  40. Secondary brain cancer (See: Brain metastases)
  41. Secondary hypertension
  42. Seizure disorder (See: Epilepsy)
  43. Seizure, absence (See: Absence seizure)
  44. Seizure, febrile (See: Febrile seizure)
  45. Seizure, grand mal (See: Grand mal seizure)
  46. Seizure, petit mal (See: Absence seizure)
  47. Seizure, temporal lobe (See: Temporal lobe seizure)
  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. Sociopathic personality (See: Antisocial personality 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. Still's disease (See: Juvenile rheumatoid arthritis)
  160. Stings, bee (See: Bee sting)
  161. Stings, jellyfish (See: Jellyfish stings)
  162. Stings, scorpion (See: Scorpion sting)
  163. Stomach cancer
  164. Stomach flu (See: Viral gastroenteritis)
  165. Stomach pain, nonulcer (See: Nonulcer stomach pain)
  166. Stomach polyps
  167. Stomatodynia (See: Burning mouth syndrome)
  168. Stones, kidney (See: Kidney stones)
  169. Stool holding (See: Encopresis)
  170. Strains and sprains (See: Sprains and strains)
  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. Suicide and suicidal thoughts (See: Suicide and suicidal thoughts)
  189. Sun allergy
  190. Sun poisoning (See: Polymorphous light eruption)
  191. Sunburn
  192. Sunken chest (See: Pectus excavatum)
  193. Supraventricular tachycardia
  194. Suspicious breast lumps
  195. SVT (See: Supraventricular tachycardia)
  196. Swallowing difficulties (See: Dysphagia)
  197. Sweating and body odor
  198. Sweating, excessive (See: Hyperhidrosis)
  199. Sweet's syndrome
  200. Swimmer's ear
  201. Swimmer's itch
  202. Swine flu (H1N1 flu)
  203. Swollen knee
  204. Swollen lymph nodes
  205. Syncope, vasovagal (See: Vasovagal syncope)
  206. Syndrome X (See: Metabolic syndrome)
  207. Synostosis (See: Craniosynostosis)
  208. Syphilis
  209. Syringomyelia
  210. Systemic capillary leak syndrome
  211. Systemic mastocytosis
  212. Systemic sclerosis (See: Scleroderma)
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