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