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 K
  • Keloids

    Keloids are growths of extra scar tissue that occur where the skin has healed after an injury.

  • Keratosis Pilaris

    Keratosis pilaris is a common skin condition that causes small bumps on the skin. It often appears on the upper…

  • Kidney Cysts

    As people get older, sacs can form in the kidneys. These sacs are called "cysts." They are usually small sacs…

  • Kidney Infection

    Kidney infections are caused by inflammation from bacteria or a virus. Antibiotics treat kidney infections, but sometimes, a hospital stay…

  • Kidney Stones

    A kidney stone is a hard, solid lump that forms in your kidney. The lump can be as small as…