Hepatitis B is a liver disease. It can be acute or chronic. Acute hepatitis B usually goes away on its own and may not need treatment.
Chronic hepatitis B is an infection that lasts more than 6 months. Chronic infection can lead to other health problems. Hepatitis B is treated with antiviral medications.
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Hepatitis B is caused by a virus. The virus causes swelling and irritation in the liver and makes it difficult for the liver to function normally.
The hepatitis B virus (HBV) is spread by semen, vaginal secretions, saliva, blood, or body fluids from an infected person. The virus can pass from these fluids to your body through an open cut in your skin.
A woman with hepatitis can also pass HBV to her baby during childbirth.
Factors that may increase your chance of getting hepatitis B include: Illicit drug injection use, especially when sharing needlesUnprotected sexual contact, especially with multiple partnersSharing a residence and/or personal items with someone who has HBVStay in hospital or long-term care facilityHemodialysis
Work that includes contact with blood or body fluids, such as health care or public safety workersTravel to areas where HBV is common
It is possible that someone infected with HBV may never have symptoms of hepatitis B.
If symptoms do develop, they appear around 60-150 days after exposure. Hepatitis B may cause: Fatigue that lasts for weeks or monthsLoss of appetiteNausea or vomitingLow-grade feverJaundice
—a yellowing skin and eyes
Abdominal pain in the upper right side of the abdomenJoint painDark urine and light-colored stool
Chronic hepatitis can lead to serious health problems including: CirrhosisLiver cancerLiver failureDeath
The doctor will ask about your symptoms and medical history. A physical exam will be done. Hepatitis B is diagnosed with blood tests. Blood tests are also used to monitor changes in the liver.
For chronic cases, a liver
may be needed.
Acute infection may not need any treatment since it usually goes away on its own.
Chronic hepatitis B may be treated with a combination of different antiviral medications. All medications do not work the same in all people. Talk with your doctor about the best treatment plan for you.
Your doctor may also ask that you: Avoid alcoholAvoid certain medications, dietary supplements, and herbsContact recent sexual partners so they can be tested and/or treated
There is a
for hepatitis B that is available for adults. This vaccine is usually given as a series of three injections. In addition, the vaccine is routinely given to newborns. Children and teens who were not vaccinated as babies can still receive the shots.
Other prevention strategies include:
or abstain from sex.
Limit your number of sexual partners.
Do not inject drugs. If you use IV drugs, get treatment to help you
. Never share needles or syringes.
Do not share personal items that may have blood or body fluids on them.Make sure a tattoo artist or piercer properly sterilizes the equipment.Wear gloves when touching or cleaning up body fluids on personal items.Cover open cuts or wounds.If you are pregnant, have a blood test for hepatitis B. Infants born to mothers with hepatitis B should be treated within 12 hours after birth.Go to regular check ups and get tested for hepatitis B and other sexually transmitted diseases (STDs) as advised.
Baker CJ, Pickerling LK, et al. Advisory Committee on Immunization Practices. Recommended adult immunization schedule: United States, 2011.
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Hepatitis B. American Liver Foundation website. Available at:
Updated February 17, 2012. Accessed February 13, 2014.
Hepatitis B information for health professionals.
Centers for Disease Control and Prevention website. Available at:
Updated May 16, 2012. Accessed February 13, 2014.
Hepatitis B virus (HBV). EBSCO DynaMed website. Available at:
http://www.ebscohost.com/dynamed. Updated February 4, 2014. Accessed February 13, 2014.
Vaccine information statement: hepatitis B vaccine. Centers for Disease Control and Prevention website. Available at:
http://www.cdc.gov/vaccines/hcp/vis/vis-statements/hep-b.pdf. Updated June 18, 2013. Accessed February 13, 2014.
Workowski KA, Berman S, et al. Sexually transmitted diseases treatment guidelines, 2010. MMWR. 2010;59(No. RR-12):1-110.
10/8/2014 DynaMed's Systematic Literature Surveillance
http://www.ebscohost.com/dynamed: British Association of Sexual Health and HIV (BASHH) recommendations on testing for sexually transmitted infections in men who have sex with men. Available at: http://www.bashh.org/documents/BASHH%20Recommendations%20for%20testing%20for%20STIs%20in%20MSM%20-%20FINAL.pdf. Updated 2014. Accessed October 8, 2014.
Last reviewed February 2015 by David L Horn, MD, FACP
Please be aware that this information is provided to supplement the care provided by your physician. It is neither intended nor implied to be a substitute for professional medical advice. CALL YOUR HEALTHCARE PROVIDER IMMEDIATELY IF YOU THINK YOU MAY HAVE A MEDICAL EMERGENCY. Always seek the advice of your physician or other qualified health provider prior to starting any new treatment or with any questions you may have regarding a medical condition.
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