H

  1. H. pylori infection, also known asHelicobacter pylori (H. pylori) infection)
  2. H1N1 flu, also known asH1N1 flu (swine flu))
  3. H1N1 flu (swine flu)
  4. H1N1v flu, also known asH1N1 flu (swine flu))
  5. H3N2v flu, also known asH1N1 flu (swine flu))
  6. Hair loss
  7. Hair-pulling disorder, also known asTrichotillomania (hair-pulling disorder))
  8. Hairy cell leukemia
  9. Hairy tongue, also known asBlack hairy tongue)
  10. Halitosis, also known asBad breath)
  11. Hammertoe and mallet toe
  12. Hamstring injury
  13. Hand fracture, also known asBroken hand)
  14. Hand pain, also known asWrist pain)
  15. Hand-foot-and-mouth disease
  16. Hangovers
  17. Hantavirus pulmonary syndrome
  18. Hardening of the arteries, also known asArteriosclerosis / atherosclerosis)
  19. Hashimoto's disease
  20. HAV infection, also known asHepatitis A)
  21. Hay fever
  22. HBV infection, also known asHepatitis B)
  23. HCV infection, also known asHepatitis C)
  24. Head and neck cancers
  25. Head lice
  26. Head trauma, coma, also known asComa)
  27. Headache, chronic daily, also known asChronic daily headaches)
  28. Headache, cluster, also known asCluster headache)
  29. Headache, exercise, also known asExercise headaches)
  30. Headache, migraine, also known asMigraine)
  31. Headache, primary cough, also known asCough headaches)
  32. Headache, sex, also known asSex headaches)
  33. Headache, sinus, also known asSinus headaches)
  34. Headache, spinal, also known asSpinal headaches)
  35. Headache, tension, also known asTension headache)
  36. Headache, thunderclap, also known asThunderclap headaches)
  37. Headaches in children
  38. Health anxiety, also known asIllness anxiety disorder)
  39. Hearing loss
  40. Heart arrhythmia
  41. Heart attack
  42. Heart defects in adults, also known asCongenital heart disease in adults)
  43. Heart disease
  44. Heart failure
  45. Heart murmurs
  46. Heart palpitations
  47. Heart valve disease
  48. Heartburn
  49. Heat exhaustion
  50. Heat rash
  51. Heatstroke
  52. Heavy menstrual periods, also known asMenorrhagia (heavy menstrual bleeding))
  53. Heel pain, also known asPlantar fasciitis)
  54. Helicobacter pylori (H. pylori) infection
  55. Hemangioma
  56. Hemangioma, liver, also known asLiver hemangioma)
  57. Hematoma, intracranial, also known asIntracranial hematoma)
  58. Hematuria, also known asBlood in urine (hematuria))
  59. Hemifacial spasm
  60. Hemochromatosis
  61. Hemolytic uremic syndrome (HUS)
  62. Hemophilia
  63. Hemorrhoids
  64. Henoch-Schonlein purpura
  65. Hep A, also known asHepatitis A)
  66. Hep B, also known asHepatitis B)
  67. Hep C, also known asHepatitis C)
  68. Hepatitis A
  69. Hepatitis A virus infection, also known asHepatitis A)
  70. Hepatitis B
  71. Hepatitis B virus infection, also known asHepatitis B)
  72. Hepatitis C
  73. Hepatitis C virus infection, also known asHepatitis C)
  74. Hepatitis, autoimmune, also known asAutoimmune hepatitis)
  75. Hepatitis, toxic, also known asToxic hepatitis)
  76. Hepatocellular carcinoma
  77. Hepatomegaly, also known asEnlarged liver)
  78. Hepatopulmonary syndrome
  79. Hereditary hemochromatosis, also known asHemochromatosis)
  80. Hereditary hemorrhagic telangiectasia
  81. Hereditary motor and sensory neuropathy, also known asCharcot-Marie-Tooth disease)
  82. Hereditary nonpolyposis colorectal cancer syndrome, also known asLynch syndrome)
  83. Hereditary progressive arthro-ophthalmopathy, also known asStickler syndrome)
  84. Hernia, hiatal, also known asHiatal hernia)
  85. Hernia, inguinal, also known asInguinal hernia)
  86. Hernia, umbilical, also known asUmbilical hernia)
  87. Herniated disk
  88. Herpes zoster, also known asShingles)
  89. Herpes zoster oticus, also known asRamsay Hunt syndrome)
  90. Herpes, genital, also known asGenital herpes)
  91. Hiatal hernia
  92. Hiccups
  93. Hidradenitis suppurativa
  94. High blood pressure (hypertension)
  95. High blood pressure in children
  96. High blood pressure, secondary, also known asSecondary hypertension)
  97. High cholesterol
  98. High-flow priapism, also known asPriapism)
  99. Hilar cholangiocarcinoma
  100. Hip dysplasia
  101. Hip fracture
  102. Hip impingement
  103. Hip labral tear
  104. Hirschsprung's disease
  105. Hirsutism
  106. Histoplasmosis
  107. HIV/AIDS
  108. Hives and angioedema
  109. Hives, chronic, also known asChronic hives)
  110. Hoarding disorder
  111. Hoarse voice, also known asLaryngitis)
  112. Hodgkin's disease, also known asHodgkin's lymphoma (Hodgkin's disease))
  113. Hodgkin's lymphoma (Hodgkin's disease)
  114. Hordeolum, also known asSty)
  115. Horner syndrome
  116. Horner-Bernard syndrome, also known asHorner syndrome)
  117. Hot flashes
  118. HPV infection
  119. Human immunodeficiency virus, also known asHIV/AIDS)
  120. Human papillomavirus infection, also known asHPV infection)
  121. Hunchback, also known asKyphosis)
  122. Hunter syndrome
  123. Huntington's disease
  124. Hunt's syndrome, also known asRamsay Hunt syndrome)
  125. Hurthle cell cancer
  126. Hutchinson-Gilford progeria syndrome, also known asProgeria)
  127. Hydrocele
  128. Hydrocephalus
  129. Hydronephrosis
  130. Hypercalcemia
  131. Hypercholesterolemia, also known asHigh cholesterol)
  132. Hypercholesterolemia, familial, also known asFamilial hypercholesterolemia)
  133. Hypercortisolism, also known asCushing syndrome)
  134. Hypereosinophilic syndrome
  135. Hyperglycemia in diabetes
  136. Hyperhidrosis
  137. Hypermenorrhea, also known asMenorrhagia (heavy menstrual bleeding))
  138. Hyperopia, also known asFarsightedness)
  139. Hyperoxaluria and oxalosis
  140. Hyperparathyroidism
  141. Hypersexuality, also known asCompulsive sexual behavior)
  142. Hypertension, also known asHigh blood pressure (hypertension))
  143. Hypertension, pregnancy-related, also known asPreeclampsia)
  144. Hypertension, pulmonary, also known asPulmonary hypertension)
  145. Hyperthyroidism (overactive thyroid)
  146. Hypertrophic cardiomyopathy
  147. Hypoactive sexual desire disorder, also known asLow sex drive in women)
  148. Hypochondria, also known asIllness anxiety disorder)
  149. Hypoglycemia
  150. Hypoglycemia, diabetic, also known asDiabetic hypoglycemia)
  151. Hypohydration, also known asDehydration)
  152. Hyponatremia
  153. Hypoparathyroidism
  154. Hypopituitarism
  155. Hypoplastic left heart syndrome
  156. Hypospadias
  157. Hypotension, also known asLow blood pressure (hypotension))
  158. Hypothermia
  159. Hypothyroidism (underactive thyroid)
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