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How is hepatitis B transmitted?

The hepatitis B virus can spread in several ways, including sexual contact, blood-to-blood contact and from mother to child at birth.

FAQ Frequently asked questions

What is hepatitis B?

Hepatitis B is an inflammation of the liver caused by the hepatitis B virus.

How common is hepatitis B?

Hepatitis B affects over two billion people worldwide and is responsible for more than a million deaths every year.

What are the signs of hepatitis B?

A hepatitis B infection can often pass undetected for many years, since many people who contract the virus show no signs and symptoms. Signs of hepatitis B include fatigue, weariness, loss of appetite, nausea and vomiting, dark urine, muscle and joint …

Who gets hepatitis B?

Groups at particular risk of hepatitis B include babies born to infected mothers; intravenous drug users; healthcare workers exposed to blood; people receiving blood transfusions; people who come into contact with used, unsterilized medical equipment; sexual partners …

How is hepatitis B diagnosed?

Your doctor will diagnose hepatitis B by performing blood tests specific to the virus.

How is hepatitis B treated?

Hepatitis B is treated by antiviral drugs.

What are the common complications of hepatitis B?

Complications of hepatitis B include liver damage (cirrhosis), liver failure and liver cancer. These complications can cause serious harm and death.

Can I prevent infection with hepatitis B?

A vaccine for hepatitis B is available. You can also reduce your chance of infection by avoiding contact with other people's blood and by avoiding unprotected sexual contact with carriers.

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About this article

Author: Dr Idan Ben-Barak PhD, MSc, BSc (Med)
First answered: 21 Sep 2014
Last reviewed: 19 May 2018
Rating: 4.6 out of 5
Votes: 923 (Click smiley face below to rate)
Category: Hepatitis A

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