Autoimmune hepatitis
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Autoimmune hepatitis

Definition

Autoimmune hepatitis is inflammation of the liver that occurs when immune cells mistake the liver's normal cells for harmful invaders and attack them.

Alternative Names

Lupoid hepatitis; Chronic acute liver disease

Causes

This form of hepatitis is an autoimmune disease. The body's immune system can't tell the difference between healthy body tissue and harmful, outside substances. The result is an immune response that destroys normal body tissues.

Liver inflammation, or hepatitis may occur along with other autoimmune diseases, including:

Autoimmune hepatitis sometimes occurs in relatives of people with autoimmune diseases. This suggests that there may be a genetic cause.

This disease is most common in young girls and women.

Symptoms

Other symptoms that may occur with this disease include absence of menstruation (amenorrhea).

Exams and Tests

Tests for autoimmune hepatitis include:

  • Anti-liver kidney microsome type 1 antibody (anti LKM-1)
  • Anti-nuclear antibody (ANA)
  • Anti-smooth muscle antibody (SMA)
  • Serum IgG
  • Liver function tests
  • Liver biopsy to look for chronic hepatitis

Treatment

You may need prednisone or other corticosteroid medicines help reduce the inflammation. Azathioprine and 6-mercaptopurine are drugs used to treat other autoimmune disorders. They have been shown to help people with autoimmune hepatitis, as well.

Some people may need a liver transplant.

Outlook (Prognosis)

The outcome varies. Corticosteroid medicines may slow the progress of the disease. However, autoimmune hepatitis may advance to cirrhosis. This would require a liver transplant.

Possible Complications

When to Contact a Medical Professional

Call your health care provider if you notice symptoms of autoimmune hepatitis.

Prevention

Autoimmune hepatitis is usually cannot be prevented. Knowing the risk factors may allow early detection and treatment.

References

Czaia AJ. Autoimmune hepatitis. In: Feldman M, Friedman LS, Brandt LJ, eds. Sleisenger and Fordtran's Gastrointestinal and Liver Disease. 9th ed. Philadelphia, Pa: Saunders Elsevier; 2010:chap 88.


Review Date: 10/8/2012
Reviewed By: George F. Longstreth, MD, Department of Gastroenterology, Kaiser Permanente Medical Care Program, San Diego, California. Also reviewed by A.D.A.M. Health Solutions, Ebix, Inc., Editorial Team: David Zieve, MD, MHA, David R. Eltz, and Stephanie Slon.
The information provided herein should not be used during any medical emergency or for the diagnosis or treatment of any medical condition. A licensed medical professional should be consulted for diagnosis and treatment of any and all medical conditions. Call 911 for all medical emergencies. Links to other sites are provided for information only -- they do not constitute endorsements of those other sites. © 1997- A.D.A.M., Inc. Any duplication or distribution of the information contained herein is strictly prohibited.
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