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R

  1. Rabbit fever (See: Tularemia)
  2. Rabies
  3. Radiation enteritis
  4. Radiation sickness
  5. Ramsay Hunt syndrome
  6. Rapid gastric emptying (See: Dumping syndrome)
  7. Rapid heartbeat (See: Tachycardia)
  8. Rash, poison ivy (See: Poison ivy rash)
  9. Raynaud's disease
  10. Reactive arthritis
  11. Reactive attachment disorder
  12. Reading disability, specific (See: Dyslexia)
  13. Rebound headaches
  14. Rectal cancer
  15. Rectal inflammation (See: Proctitis)
  16. Rectal itching (See: Anal itching)
  17. Rectal prolapse
  18. Rectal ulcer (See: Solitary rectal ulcer syndrome)
  19. Rectovaginal fistula
  20. Recurrent breast cancer
  21. Red eye (See: Subconjunctival hemorrhage)
  22. Reflex sympathetic dystrophy syndrome (See: Complex regional pain syndrome)
  23. Reflux, bile (See: Bile reflux)
  24. Reflux, gastroesophageal (See: GERD)
  25. Reflux, vesicoureteral (See: Vesicoureteral reflux)
  26. Regurgitation, aortic valve (See: Aortic valve regurgitation)
  27. Regurgitation, mitral valve (See: Mitral valve regurgitation)
  28. Reiter's syndrome (See: Reactive arthritis)
  29. REM sleep behavior disorder
  30. Renal artery stenosis
  31. Renal cell carcinoma (See: Kidney cancer)
  32. Renal failure, acute (See: Acute kidney failure)
  33. Renal failure, chronic (See: Chronic kidney disease)
  34. Renal lithiasis (See: Kidney stones)
  35. Respiratory syncytial virus (RSV)
  36. Restless legs syndrome
  37. Retinal detachment
  38. Retinal diseases
  39. Retinoblastoma
  40. Retinopathy, diabetic (See: Diabetic retinopathy)
  41. Retractile testicle
  42. Retrograde ejaculation
  43. Rett syndrome
  44. Reye's syndrome
  45. Rhabdomyosarcoma
  46. Rheumatic fever
  47. Rheumatoid arthritis
  48. Rheumatoid spondylitis (See: Ankylosing spondylitis)
  49. Rhinitis, allergic (See: Hay fever)
  50. Rhinitis, nonallergic (See: Nonallergic rhinitis)
  51. Rhinitis, vasomotor (See: Nonallergic rhinitis)
  52. Rib fracture (See: Broken ribs)
  53. Rickets
  54. Rift Valley fever (See: Viral hemorrhagic fevers)
  55. Ringing in the ear (See: Tinnitus)
  56. Ringworm (body)
  57. Ringworm (scalp)
  58. Ringworm of the foot (See: Athlete's foot)
  59. RLS (See: Restless legs syndrome)
  60. Road rage (See: Intermittent explosive disorder)
  61. Rocky Mountain spotted fever
  62. Rosacea
  63. Roseola
  64. Rotator cuff injury
  65. Rotavirus
  66. Round back (See: Kyphosis)
  67. RSV (See: Respiratory syncytial virus (RSV))
  68. Rubella
  69. Rubeola (See: Measles)
  70. Rumination syndrome
  71. Runner's knee (See: Chondromalacia patella)
  72. Ruptured eardrum
  73. Ruptured spleen
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