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Health Topics beginning with "R"

  • Rabies - An infectious and acute viral disease of most warm-blooded animals, especially wolves, cats and dogs.
  • Raynaud's disease and phenomenon - is a primary disorder of the circulatory system that affects blood circulation to fingers and occasionally toes.
  • Reiter's syndrome - an inflammatory disease characterized by a symptom complex of arthritis, urethritis, conjunctivitis and psoriasis.
  • Rheumatic fever - an inflammatory complication of Group A streptococcal infections that affects many parts of the body, especially the joints and heart.
  • Rhinitis, chronic - is an inflammation of the nasal mucosa.
  • Rhinoscleroma - is a chronic infection of the upper airway, in which hard stony growths develop, sometimes leading to marked deformity.
  • Rocky Mountain Spotted Fever - an acute illness with fever caused by a germ transmitted by infected ticks.
  • Radiation Colitis - Inflammation and irritation of the colon caused by radiation.
  • Rectal prolapse - The shifting of a body part from its usual position, such as the bulging of the lining of the rectum through the anus.
  • Renal failure chronic - A stage of chronic kidney (renal) failure in which kidney function has dropped to the point that replacement methods are needed (dialysis or kidney transplant).
  • Retinal Glioma - A tumor of the retina (nerve tissue in the rear eye) that usually occurs in children.
  • Reye's syndrome - A rare, life-threatening disease characterized by swelling of the brain and liver damage.
  • Rh incompatibility - A condition in which a pregnant woman with Rh-negative blood is exposed to Rh-positive blood cells (usually from the fetus).
  • Ringworm - Fungal infection in the form of a red, scaly, itchy patch or bump. It may affect the skin, nails or scalp.
  • Roseola infantum - An acute viral infection that affects infants and small children.
  • Roundworm Infection - Infection with any of a group of invertebrates with long, round bodies.
  • Rubella - A childhood viral illness that can have serious effects on a fetus (birth defects, stillbirth) if the mother contracts the illness during pregnancy.
  • Rubeola - A highly contagious viral illness marked by fever, cough, conjunctivitis (irritation in eye membranes) and rash that tends to affect children.