Diseases and Conditions

Find doctor-approved information about symptoms, causes, diagnosis, treatment and prevention of common diseases and conditions.

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All conditions that start with the letter J
  • Jock Itch

    Jock itch is a fungal infection. It causes a red, blistery skin rash around the groin, upper thigh, scrotum, penis,…

  • Juvenile Rheumatoid Arthritis

    Learn about the causes, symptoms, diagnosis, and treatment of juvenile rheumatoid arthritis, a joint condition that affects teens and children…