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 G
  • Galactorrhea

    Galactorrhea occurs when one or both breasts make milk or a milky discharge. It’s not related to milk production in…

  • Gallstones

    Gallstones are hard deposits that can form inside the gallbladder, causing pain in the upper abdomen.

  • Gastroparesis

    Gastroparesis is a medical condition resulting from damaged stomach nerves and muscles. It prevents your stomach from emptying properly.

  • Generalized Anxiety Disorder

    Generalized anxiety disorder (GAD) is ongoing anxiety not related to a particular situation. It also can be anxiety that isn’t…

  • Genital Warts

    Genital warts are small, flat, flesh-colored bumps or tiny, cauliflower-like bumps caused by the human papillomavirus (HPV).

  • Gestational Diabetes

    Gestational diabetes is a type of diabetes that starts during pregnancy usually during the second trimester. It affects 1% to…

  • Giant Cell Arteritis and Polymyalgia Rheumatica

    Giant cell arteritis (GCA) and polymyalgia rheumatica (PMR) is inflammation of the arteries in the arms, upper body, neck, hips,…

  • Giardiasis

    Giardiasis is an infection you can get in your small intestine. It is caused by a microscopic parasite called Giardia…

  • Glaucoma

    Glaucoma is an eye disease that happens when fluid builds up in the eye, increasing pressure. Without treatment, it can…

  • Gout

    Gout is a common type of arthritis that causes swelling and pain in your big toe and other joints. Learn…

  • Group B Strep Infection

    Group B strep is a common kind of bacteria that can sicken newborns who are exposed to it during…

  • Growing Pains

    What are growing pains? Growing pains involve your child’s musculoskeletal system, meaning his or her muscles and bones. These pains usually make your child’s legs hurt. They are common in children between 3 and 12 years old and are typically not serious

  • Gynecomastia

    Gynecomastia is a condition in which men have enlarged breasts.