Diseases and Conditions

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


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  • Lupus

    Lupus is a disease that affects your immune system, causing it to attack healthy cells and tissue.

  • A woman holding her lower back on one side, indicating kidney pain

    Kidney Stones

    Your body removes waste through urine that’s made in your kidneys. When waste doesn’t properly leave your kidneys, it can…

  • Ringworm on a man’s wrist


    Ringworm is a skin infection that makes a rash shaped like a ring. The rash can occur different places on…

  • Floor scale with tape measure wrapped around apple to illustrate obesity


    Obesity is a complex, and increasingly common disease that is associated with many health risks such as high blood pressure,…

  • Fecal Incontinence

    Fecal incontinence is the inability to control bowel movements, leading to stool leaking from the rectum. Many times it is…

  • Visual difference between a normal endometrium and endometrial hyperplasia

    Endometrial Hyperplasia

    Endometrial hyperplasia is a condition in which the endometrium (lining of the uterus) is abnormally thick. There are four types…

  • 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…

  • woman holding throat in pain


    Learn about the types, symptoms, causes, diagnosis and treatment of thyroiditis, a name for several disorders that cause inflammation of…

  • Substance Abuse

    Substance abuse can happen when products aren’t used in the right way. Prescription medicines, illegal drugs, tobacco, and alcohol can…

  • sore throat, shown red, isolated on white background


    Hyperparathyroidism is a condition that causes you to have too much calcium in your bloodstream and not enough in your…

  • Hip Fractures

    A hip fracture is a break in your thigh bone (femur) where it connects to your pelvic bone. Hip fractures…

  • A man scraping his tongue with a tongue scraper


    Halitosis is another name for bad breath. It can be caused by foods you eat or not taking proper care…

  • Man with painful and swollen big toe joint due to gout inflammation


    Gout is a common type of arthritis marked by swelling and pain in your joints.

  • Ectopic Pregnancy

    An ectopic pregnancy happens when a fertilized egg grows outside the uterus. It can be dangerous to the mother if…

  • Ebola virus disease is caused by infection by the Ebola virus. There are five known strains, four of which affect people.

    Ebola Virus Disease

    Ebola virus disease is caused by infection by the Ebola virus. There are five known strains, four of which affect…

  • A young boy wearing a blue shirt holding leg in pain

    Growing Pains

    Growing pains can make your child’s legs hurt and are common between the ages of 3 and 12. They are…

  • Woman runner holding shin in pain

    Shin Splints

    Shin splints describe a type of pain in your shinbone (tibia). They are often caused by overuse and heal within…

  • Schizophrenia

    Schizophrenia is a mental illness that interferes with the way you think, feel, and behave.

  • 3D illustration of DNA molecule

    Organic Acid Metabolism Disorders

    Organic acid metabolism disorders are a group of rare birth defects. They affect your ability to break down food into…

  • Man clutching chest in pain as a result of coronary heart disease

    Coronary Heart Disease (CHD)

    Coronary heart disease (CHD) is the most common type of heart disease caused by a buildup of plaque in your…