Diseases and Conditions

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

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  • Pulmonary Hypertension

    Pulmonary arteries are the blood vessels that carry blood from your heart to your lungs. These arteries can narrow or…

  • Man holding condom in one hand and blue pill in the other

    Erectile Dysfunction (ED)

    Erectile dysfunction is when a man cannot get or keep an erection. It can be caused by a number of…

  • A woman frowning and grabbing her lower abdomen while sitting on the couch

    Chronic Pelvic Pain

    Chronic pelvic pain can be caused by multiple medical conditions, many of which can be treated or managed with proper…

  • woman with a headache holds a hand to her head

    Chronic Pain

    Chronic pain cannot often be cured but it can be treated with lifestyle changes and other means.

  • Woman performing breast exam

    Benign Breast Conditions

    A breast cyst is a fluid-filled sac inside the breast. Breast cysts are common in women. They might cause a…

  • A young boy has his throat swabbed by a doctor. Rheumatic fever is a rare inflammatory disease. It’s tied to the bacteria that causes strep throat and scarlet fever.

    Rheumatic Fever

    Rheumatic fever is a rare disease. It usually doesn’t happen in the United States. It’s tied to the bacteria that…

  • Blood Clots

    Blood clots are clumps of blood that form inside your body and can be harmful or even deadly if they…

  • Woman sitting on a couch holding stomach in pain

    Stomach Virus (Gastroenteritis)

    Gastroenteritis is a medical term for a stomach virus. Many people call it the stomach flu. It can strike anyone…

  • Urinary Tract Infection (UTI)

    Learn about the symptoms, causes, diagnosis, treatment, prevention and complications of urinary tract infections (sometimes called UTIs or bladder…

  • Tuberculosis

    Tuberculosis is an infection caused by bacteria. Tuberculosis usually affects the lungs. But it can also affect your joints, kidneys,…

  • Hereditary Hemochromatosis

    Hereditary hemochromatosis is a disease in which your body has too much iron. This extra iron can damage your tissues…

  • Young woman drinking from stream

    Giardiasis

    Giardiasis is an infection in the small intestine that comes from a parasite found in feces. Mild symptoms will go…

  • A woman examines her breast. Galactorrhea is when one or both breasts make milk or a milky discharge unrelated to milk production in breastfeeding.

    Galactorrhea

    Galactorrhea is when one or both breasts make milk or a milky discharge unrelated to milk production in breastfeeding.

  • Tired woman sitting on the stairs with bottle of water in gym

    Exercise-induced Bronchospasm

    Exercise-induced bronchospasm is when the airways in your lungs narrow during exercise, making it hard to breath. This can make…

  • Illustration of female reproductive system with a close-up on an embryo developing in the fallopian tube. An ectopic pregnancy happens when a fertilized egg grows outside the uterus. It can be dangerous to the mother if not treated early enough.

    Ectopic Pregnancy

    An ectopic pregnancy happens when a fertilized egg grows outside the uterus. It can be dangerous to the mother if…

  • Lung Symptoms

    Chronic Bronchitis

    Chronic bronchitis is an inflammation in the airways of the lungs that lasts longer than 3 months. It is most…

  • Woman holding clean menstrual pad

    Amenorrhea

    Amenorrhea is a medical term for when a woman does not have menstrual periods.

  • young boy with adhesive eye patch over his eye

    Amblyopia (Lazy Eye)

    Amblyopia (lazy eye) develops in childhood when one eye doesn’t work properly with the brain. Left untreated, it can lead…

  • a young girl with Down syndrome looks up and smiles

    Down Syndrome

    Down syndrome is a chromosomal disorder that affects physical and intellectual development.

  • A doctor uses a stethoscope to listen to woman’s heart. Mitral valve prolapse is a heart condition in which the flaps of the mitral valve don’t close properly. Most who have it don’t need treatment.

    Mitral Valve Prolapse

    Mitral valve prolapse is a heart condition in which the flaps of the mitral valve don’t close properly. Most people…