Diseases and Conditions

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

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  • 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.

  • 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…

  • 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…

  • Warts

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

  • 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…

  • 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…

  • 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…

  • Yeast Infections

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

  • Zika

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