How does hepatitis B affect the liver?
about-hep-b
Chronic hepatitis B can damage your liver without any
warning signs, leading to:

Why is it important to treat chronic hepatitis B?

Even if you don't feel symptoms, living with unaddressed chronic hepatitis B has health risks.

Chronic hepatitis B may lead to high levels of hepatitis B virus in the blood, also known as high viral load. Having a high viral load increases your risk of:

icon-improve-liver-1

Hepatitis B is the leading cause of
liver cancer.*

*Source: Centers for Disease Control and Prevention, 2024.

icon-improve-liver-2

1 in 4 people develop more serious liver problems, including cirrhosis and liver
cancer, if left untreated.

icon-improve-liver-3

Chronic hepatitis B increases your
cancer risk
as much as or more than
smoking a pack of cigarettes daily.

icon-improve-liver-4 icon-improve-liver-4

People with chronic hepatitis B are more likely to develop kidney and bone disease, diabetes, heart disease, and other health problems compared to people without chronic hepatitis B.

icon-exclamation-ko-3 icon-exclamation-ko-3

Even if you don’t have symptoms, you can still infect others with hepatitis B.

While hepatitis B can be found in saliva, you can’t get it from:

  • Sneezes and coughs
  • Kissing and hugging
  • Sharing food, drink, or utensils
  • Nursing a baby
  • Touching surfaces like doorknobs

The hepatitis B virus is 50 to 100 times more infectious than HIV.

Source: World Health Organization, 2024.

icon-improve-liver-1

Hepatitis B is the leading cause of
liver cancer.*

*Source: Centers for Disease Control and Prevention, 2024.

icon-improve-liver-2

1 in 4 people develop more serious liver problems, including cirrhosis and liver
cancer, if left untreated.

icon-improve-liver-3

Chronic hepatitis B increases your
cancer risk
as much as or more than
smoking a pack of cigarettes daily.

icon-improve-liver-4 icon-improve-liver-4

People with chronic hepatitis B are more likely to develop kidney and bone disease, diabetes, heart disease, and other health problems compared to people without chronic hepatitis B.

icon-exclamation-ko-3 icon-exclamation-ko-3

Even if you don’t have symptoms, you can still infect others with hepatitis B.

While hepatitis B can be found in saliva, you can’t get it from:

  • Sneezes and coughs
  • Kissing and hugging
  • Sharing food, drink, or utensils
  • Nursing a baby
  • Touching surfaces like doorknobs

The hepatitis B virus is 50 to 100 times more infectious than HIV.

Source: World Health Organization, 2024.

Source: Hepatitis B Foundation, 2025.


Are you among the 1 in 4 patients with chronic hepatitis B with
the highest risk for liver cancer?

  • People who have a family history of liver cancer
  • People who have metabolic dysfunction-associated steatotic liver disease (including MASH) or diabetes
  • People who drink alcohol, smoke tobacco, or are overweight/obese
  • People who have an inherited metabolic disease (such as hemochromatosis or Wilson's disease)
  • People who have cirrhosis (liver scarring)
  • People who are exposed to environmental toxins that could damage the liver (such as aflatoxins, industrial chemicals, and arsenic)
  • People who also have hepatitis C, hepatitis delta, or HIV
  • Asian women over age 50
  • Asian men over age 40
  • African men over age 20