Minus Related Pages. Index of Questions Hepatitis B Overview. What is hepatitis? What is the difference between hepatitis A, hepatitis B, and hepatitis C? What is hepatitis B? What is acute short-term hepatitis B? What is chronic long-term hepatitis B? Who is most likely to get chronic long-term hepatitis B? How common is hepatitis B in the United States? How common is hepatitis B around the world?
Hepatitis B Transmission. How is hepatitis B spread? Can a person spread the hepatitis B virus and not know it? Can the hepatitis B virus be spread through sex? Can hepatitis B be spread through food?
Who is at risk for hepatitis B? Who should be tested for hepatitis B? What should I do if I think I have been exposed to the hepatitis B virus? How long does the hepatitis B virus survive outside the body? How should blood spills be cleaned from surfaces to make sure that hepatitis B virus is gone?
If I have been infected with the hepatitis B virus in the past, can I get it again? Can I donate blood if I have hepatitis B? Can I donate organs if I have hepatitis B?
Prevention through Vaccination. Can hepatitis B be prevented? Who should get vaccinated against hepatitis B? Is the hepatitis B vaccine recommended before international travel? Is the hepatitis B vaccine safe? Can I get hepatitis B from being vaccinated?
Is it harmful to have an extra dose of hepatitis B vaccine or to repeat the entire hepatitis B vaccine series? What should be done if hepatitis B vaccine series was not completed? Who should not receive the hepatitis B vaccine? What is a booster dose, and do I need one? Is there a vaccine that will protect me from both hepatitis A and hepatitis B? Can I get the hepatitis B vaccine at the same time as other vaccines? Where can I get the hepatitis B vaccine?
Does acute hepatitis B cause symptoms? What are the symptoms of acute short-term hepatitis B? How soon after exposure to the hepatitis B virus will symptoms appear, and how long do they last? Can a person spread hepatitis B without having symptoms? What are the symptoms of chronic hepatitis B?
How serious is chronic long-term hepatitis B? How do I know if I have hepatitis B? What should I do after learning that I have hepatitis B? How is acute short-term hepatitis B treated?
How is chronic hepatitis B treated? What can people with chronic hepatitis B do to take care of their liver? Pregnant Women and their Newborns. Are pregnant women tested for hepatitis B?
If a pregnant woman has hepatitis B, is there a way to prevent her baby from getting hepatitis B? Why is the hepatitis B vaccine recommended for all babies? Hepatitis B Overview What is hepatitis?
An estimated million people are living with hepatitis B worldwide. Hepatitis B Transmission How is hepatitis B spread? Unlike hepatitis A, hepatitis B is not usually spread through food or water. Although anyone can get hepatitis B, these people are at greater risk: Infants born to infected mothers People who inject drugs or share needles, syringes, and other types of drug equipment Sex partners of people with hepatitis B Men who have sex with men People who live with someone who has hepatitis B Health-care and public-safety workers exposed to blood on the job Hemodialysis patients Who should be tested for hepatitis B?
CDC recommends hepatitis B testing for: People born in certain countries where hepatitis B is common People born in the United States not vaccinated as infants whose parents were born in countries with high rates of hepatitis B Men who have sex with men People who inject drugs People with HIV Household and sexual contacts of people with hepatitis B People requiring immunosuppressive therapy People with end-stage renal disease including hemodialysis patients People with hepatitis C People with elevated ALT levels Pregnant women Infants born to HBV-infected mothers What should I do if I think I have been exposed to the hepatitis B virus?
Prevention through Vaccination Can hepatitis B be prevented? Hepatitis B vaccination is recommended for: All infants All children and adolescents younger than 19 years of age who have not been vaccinated People at risk for infection by sexual exposure People whose sex partners have hepatitis B Sexually active people who are not in a long-term, mutually monogamous relationship for example, people with more than one sex partner in the past 6 months People seeking evaluation or treatment for a sexually transmitted infection Men who have sex with men People at risk for infection by exposure to blood People who inject drugs People who live with someone who has hepatitis B People who live or work in facilities for people with developmental disabilities Health-care and public-safety workers at risk for exposure to blood or blood-contaminated body fluids on the job People who receive hemodialysis People with diabetes who are 19—59 years of age people with diabetes who are age 60 or older should ask their health care professional.
A vaccine can prevent hepatitis B, but there's no cure if you have the condition. If you're infected, taking certain precautions can help prevent spreading the virus to others.
Signs and symptoms of hepatitis B range from mild to severe. They usually appear about one to four months after you've been infected, although you could see them as early as two weeks post-infection. Some people, usually young children, may not have any symptoms. If you know you've been exposed to hepatitis B, contact your doctor immediately.
A preventive treatment may reduce your risk of infection if you receive the treatment within 24 hours of exposure to the virus. There is a problem with information submitted for this request. Subscribe for free and receive your in-depth guide to digestive health, plus the latest on health innovations and news.
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Your in-depth digestive health guide will be in your inbox shortly. You will also receive emails from Mayo Clinic on the latest health news, research, and care. The virus is passed from person to person through blood, semen or other body fluids. It does not spread by sneezing or coughing.
The younger you are when you get hepatitis B — particularly newborns or children younger than 5 — the higher your risk of the infection becoming chronic. Chronic infection may go undetected for decades until a person becomes seriously ill from liver disease. Early in the disease, called the prodromal phase, symptoms may include:. A diagnosis begins with comprehensive physical exam, during which you describe your symptoms and medical history.
Perhaps more than other diseases, the diagnosis of hepatitis A and E is largely dependent on medical history.
Your doctor will pay close attention to your particular risk factors and physical exam. These antibodies indicate whether you were infected with hepatitis A. The peak levels occur early in the infection and persist for about four to six months. Hepatitis A and E usually resolve after a period of four to eight weeks of illness.
They do not cause chronic hepatitis, and usually no special treatment is necessary. Health Home Conditions and Diseases Hepatitis. What is Hepatitis E?
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