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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…

  • man coughing into hand

    Whooping Cough

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

  • close-up of a mosquito on human skin

    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…

  • woman holding stomach in pain

    Vulvodynia

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

  • Senior woman consults with nurse before chemotherapy

    Vulvar Cancer

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

  • A woman kneeling on the bathroom floor while holding her head over the toilet as she vomits

    Vomiting and Diarrhea

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

  • Woman showing white patches of skin on her hands

    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…

  • A varicose vein is visible on the side of a woman’s knee

    Varicose Veins

    Varicose veins are veins that swell above the surface of the skin. They can be treated with compression stockings, surgery…

  • 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…

  • A medical drawing of uterine fibroids in and around the uterus.

    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…

  • Photo of a new diaper from the top angle looking in

    Urinary Incontinence

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

  • newborn baby wrapped up in a blanket sleeping

    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…

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