Diseases and Conditions

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

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  • Zika

    Zika is a virus caused by a bite from the Aedes mosquito. It is contagious and increases the risk of…

  • Yeast Infections

    Vaginal yeast infections are caused by a fungus called Candida. If the vagina isn’t acidic enough, too many yeast can…

  • Wolff-Parkinson-White Syndrome

    Wolff-Parkinson-White syndrome is a rare heart condition that can cause fast heartbeat. Learn about the symptoms, causes, diagnosis and treatment…

  • Whooping Cough

    Whooping cough is a respiratory infection. It is also known as pertussis. Whooping cough is highly contagious and is most…

  • West Nile Virus

    West Nile virus is a disease usually spread by mosquitos that can cause flu-like symptoms. Most people infected with the…

  • Warts

    Warts are small skin growths caused by the human papillomavirus. You can develop warts on your face, hands, feet, and…

  • Vulvodynia

    Learn about the symptoms, causes, diagnosis and treatment of vulvodynia, a word that describes pain and discomfort in the…

  • Vulvar Cancer

    Cancer of the vulva most often affects the two skin folds (or lips) around the vagina, known as the labia…

  • Vomiting and Diarrhea

    Information for parents about vomiting and diarrhea in children from the American Academy of Family Physicians.

  • Vitiligo

    Vitiligo is a skin-coloring disorder. It produces white patches on your skin. It mostly occurs in areas of the skin…

  • Vision Loss

    Vision loss is losing your ability to see well without vision correction tools, such as eyeglasses or contact lenses. It…

  • Varicose Veins

    Varicose veins are veins that are swollen and bulge above the surface of the skin. They may be twisted and…

  • Vaginitis

    Vaginitis refers to inflammation of the vagina. It can be caused by bacterial vaginosis (BV), yeast infections, trichomoniasis, allergies, or…

  • Vaginal Discharge

    Vaginal discharge is completely normal as your body’s way of keeping your vagina healthy and clean. But changes in discharge…

  • Uterine Fibroids

    Fibroids are benign growths (not cancer) in the muscular wall of the uterus. These growths can be very tiny or…

  • Urinary Tract Infection

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

  • Urinary Incontinence

    Urinary incontinence is the loss of bladder control. This means that you can’t always control when you urinate.

  • Undescended Testicles

    Testicles are part of the male body. They usually move from inside the body to the scrotum at birth. If…

  • Ulcers

    Ulcers are sores on the lining of your stomach or small intestine that cause discomfort when you eat or after…

  • Tuberous Sclerosis

    Tuberous sclerosis is a rare disease that causes tumors, or growths, in the brain and other organs. They are usually…