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 clutching her cervix in pain

    Cervical Cancer

    Cervical cancer is abnormal growth of cells in a woman’s cervix. Cervical cancer is almost always caused by the human…

  • Illustration of a human body with close-ups of a normal aorta and one with an abdominal aortic aneurysm

    Abdominal Aortic Aneurysm (AAA)

    Sometimes an area of a blood vessel wall will get weak. It can start to swell like a balloon and…

  • Close-up of a pink ribbon (the symbol of breast cancer awareness) in a man’s hands

    Male Breast Cancer

    Breast cancer is a type of cancer that begins in the breast. Men can get breast cancer even though it…

  • Woman applying lotion to psoriasis on her elbow

    Psoriasis

    Psoriasis is a common chronic skin condition. It causes a rash that is raised with red marks and flaky white…

  • woman with a headache holds a hand to her head

    Headaches

    There are several different types of headaches. Migraines and tension headaches are the most common.

  • Illustration of the female reproduction system and a yellow ribbon representing endometriosis

    Endometrial Cancer

    Endometrial cancer occurs in the lining of a woman’s uterus. Learn about the symptoms, diagnosis, and treatment of this common…

  • Arrhythmia

    An arrhythmia is a change in the rhythm of your heartbeat. Your heart may beat too fast, too slow, or…

  • Stethoscope resting on black chalkboard with the words Addison’s Disease

    Addison’s Disease

    Addison’s disease is a condition that affects your body’s adrenal glands. It interferes with your body’s ability to produce certain…

  • Zika

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

  • Milk and cheese on a table. Lactose intolerance is a condition that causes stomach discomfort. It’s your body reacting to the sugar in milk (or other dairy).

    Lactose Intolerance

    Lactose intolerance is a condition that causes stomach discomfort. It’s your body reacting to the sugar in milk (or other…

  • Motion Sickness

    Motion sickness is feeling triggered by movement. It occurs in cars, buses, trains, planes, or boats. It also can happen…

  • Tuberous Sclerosis

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

  • Strabismus

    Strabismus is an eye disorder. It affects the muscle control in your eyes. The eyes don’t line up properly. Instead,…

  • Male struggling with premature ejaculation sits on edge of bed with girlfriend in the background.

    Premature Ejaculation

    Premature ejaculation happens when an individual has an orgasm sooner than wanted. It can happen before or shortly after…

  • Shaken Baby Syndrome (Abusive Head Trauma)

    Abusive head trauma (shaken baby syndrome) is a form of child abuse that can be deadly or leave a baby…

  • Doctor talking to patient

    Anal Fistulas

    An anal fistula is an abnormal connection that forms between the anus and the skin outside of it. It usually…

  • Person pushes hair back to reveal a bald spot. Alopecia areata is a form of hair loss. It’s a non-life-threatening disease of your immune system that affects the hair on your scalp.

    Alopecia Areata (AA)

    Alopecia areata is an autoimmune disease that causes you to lose small, round patches of hair on your head.

  • X-ray of woman’s pelvis, showing bladder stones

    Bladder Stones

    Bladder stones are small crystals that form in your urine. They are hard and become trapped in your bladder. They…

  • Asthma in Kids

    Asthma is a disease that often starts in childhood and makes it difficult for your child to breathe.

  • Hepatitis A

    Hepatitis A (Hep A) is liver inflammation caused by the hepatitis A virus. It isn’t typically as serious as hepatitis…