Jaundice

(Yellowing of Skin)
  • Definition

    Jaundice is a yellow discoloration of the skin, mucus membranes, and whites of the eyes.
  • Causes

    Jaundice occurs when excess bilirubin builds up in the blood. Bilirubin is a yellow-brown colored substance in bile. Bile is a liquid that carries waste products and bilirubin away from the liver. It also helps break down fats in the small intestine. It is formed during the body's normal process of breaking down red blood cells.
    There are several reasons why too much bilirubin can build up in the blood. They include:
    • Excess breakdown of red blood cells, which can occur in:
    • A blockage in or near the liver that prevents the flow of bile, such as:
      Liver, Gallbladder, and Bile duct
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    • Liver damage caused by:
    • In babies, insufficient amounts of a certain liver enzyme during the first two weeks of life
    • Inherited metabolic disorders, including Gilbert , Crigler-Nager, and Dubin-Johnson syndromes
  • Risk Factors

    Factors that may increase your chances of getting jaundice are similar to risk factors for liver and gallbladder disorders. They may include:
  • Symptoms

    Jaundice may indicate another condition or disease. In addition to jaundice, you may experience other symptoms. Symptoms may include:
    • Fatigue
    • Itching
    • Fever or chills
    • Unexplained weight loss
  • Diagnosis

    Your doctor will ask you questions about your symptoms and medical history. A physical exam will be done. In order to make a diagnosis on what is causing jaundice, your doctor may recommend tests. Tests may include:
  • Treatment

    In most other types of jaundice, the specific condition causing it must be treated. There are many treatments that may be used for liver and gallbladder problems depending on the exact condition. They include:
    • Avoiding a substance, like alcohol or medication, that is causing the condition
    • Addressing the cause of anemia
    • Taking medication to treat infectious diseases
    • Relieving bile duct obstructions by:
    Mild jaundice in newborns is common and usually clears without treatment. If bilirubin levels rise above a certain level, the baby may receive phototherapy , which is treatment with a special ultraviolet light. In Gilbert syndrome, jaundice tends to clear without treatment.
    If you are diagnosed with jaundice, follow your doctor's instructions .
  • Prevention

    Prevention depends on the disorder causing jaundice. You may not be able to prevent some of the disorders. However, you can take the steps below to decrease your chance of developing liver disease:
    • Limit your alcohol intake to no more than two drinks a day for men or one drink a day for women.
    • Be careful mixing alcohol with over-the-counter and prescription medication.
    • Avoid exposure to industrial chemicals.
    • Do not use illicit drugs.
    • Do not share needles or nasal snorting equipment.
    • Practice safe sex.
    • To decrease your risk of hepatitis A, get the hepatitis A vaccine .
    • To decrease your risk of hepatitis B, get the hepatitis B vaccine .
  • RESOURCES

    American Liver Foundation http://www.liverfoundation.org

    American Gastroenterological Association http://www.gastro.org

    CANADIAN RESOURCES

    Canadian Liver Foundation http://www.liver.ca

    Health Canada http://www.hc-sc.gc.ca

    References

    Bilirubin. American Association for Clinical Chemistry Lab Tests Online website. Available at: http://labtestsonline.org/understanding/analytes/bilirubin/tab/glance . Updated March 18, 2013. Accessed April 23, 2013.

    Abnormal liver function tests—differential diagnosis. EBSCO DynaMed website. Available at: http://www.ebscohost.com/dynamed/what.php . Updated February 14, 2012. Accessed April 24, 2013.

    Neonatal hyperbilirubinemia. EBSCO DynaMed website. Available at: http://www.ebscohost.com/dynamed/what.php . Updated February 15, 2013. Accessed April 24, 2013.

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