Diseases and Conditions

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

Filter By Alphabet
All conditions
  • Tonsillitis

    Tonsillitis is an inflammatory disease that occurs when your tonsils become infected by a virus or bacteria.

  • Toxic Shock Syndrome

    Toxic shock syndrome is a serious, sometimes life-threatening staph infection caused by bacteria that multiplies quickly and leads to organ…

  • Toxoplasmosis

    Toxoplasmosis is an infection caused by a parasite called Toxoplasma gondii, which can live in cat feces. Learn how to…

  • Transient Ischemic Attack (TIA)

    A transient ischemic attack (TIA) is called a mini stroke, and it can raise your risk of having a major…

  • Transient Synovitis of the Hip

    Learn about the symptoms, causes, diagnosis and treatment of transient synovitis of the hip, a condition that causes sudden hip…

  • Traumatic Brain Injury

    A traumatic brain injury is any sudden injury to your brain. It could be from a bump, blow, or jolt…

  • Trigeminal Neuralgia

    Trigeminal neuralgia is a painful condition that causes an extreme burning, electric or shock-like pain in the face.

  • Tuberculosis

    Learn about the symptoms of and treatments for tuberculosis.

  • Tuberous Sclerosis

    Learn about the causes and symptoms of, and treatments for, tuberous sclerosis.

  • Ulcers

    Information about the causes, diagnosis and treatment of ulcers in your digestive tract.

  • Undescended Testicles

    Learn about undescended testicles and how they are treated.

  • Urinary Incontinence

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

  • Urinary Tract Infection

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

  • Uterine Fibroids

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

  • Vaginal Discharge

    Learn about the symptoms, causes, treatment and prevention of changes in vaginal discharge.

  • Vaginitis

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

  • Varicose Veins

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

  • Vision Loss

    Learn about vision loss and ways your doctor can help you.

  • Vitiligo

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

  • Vomiting and Diarrhea

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