Diseases and Conditions

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

Filter By Alphabet
All conditions
  • 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 heart condition where people are born with an extra electrical pathway in their heart. This changes…

  • A man coughs into his hand. Whooping cough is a respiratory infection. It is also known as pertussis. Whooping cough is highly contagious and is most harmful to babies.

    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 is an infectious disease that can cause flu-like symptoms. It’s usually spread by infected mosquitos.

    West Nile Virus

    West Nile virus is an infectious disease that can cause flu-like symptoms. It’s usually spread by infected mosquitos.

  • Warts are small skin growths caused by the human papillomavirus. Your doctor can recommend the best wart removal method for you.

    Warts and Wart Removal

    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

    Vulvodynia is pain and discomfort in a woman’s external genital area known as the vulva.

  • Senior woman consults with nurse before chemotherapy. Vulvar cancer most often affects the two skin folds (or lips) around the vagina, known as the labia. If diagnosed early, it is very treatable.

    Vulvar Cancer

    Vulvar cancer is not very common. If found early, vulvar cancer has a high cure rate and the treatment options…

  • 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…

  • Table for eyesight test and glasses over it. Vision loss is losing your ability to see well without vision correction tools, such as eyeglasses or contact lenses.

    Vision Loss

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

  • Vibrio Vulnificus Infection

    Vibrio vulnificus is a type of bacteria found in warm seawater and contaminated shellfish. It can cause flu-like symptoms and…

  • 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 is a medical term to describe inflammation of the vagina.

  • Vaginal Discharge

    Vaginal discharge is the small amount of fluid produced by glands inside your vagina and cervix and released through the…

  • 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.

  • 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…

  • A man suffering from an ulcer clutches his abdomen in pain. An ulcer is a sore on the lining of your stomach or small intestine. Ulcer symptoms include stomach pain, bloating and feeling full fast.

    Ulcers - Stomach Ulcer Symptoms

    Ulcers are sores on the lining of your stomach or small intestine.