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Discover helpful resources, answers to common questions, and more.

Frequently asked questions

What is hepatitis B?

Hepatitis B is a serious liver infection caused by the hepatitis B virus. For most people, hepatitis B clears on its own. For those who don’t clear the virus, the resulting health complications can lead to liver cirrhosis, cancer, or even death. There is no way of knowing who will clear the virus and who will not. Vaccination is critical for protection.

I’m pretty healthy—do I really need to get vaccinated?

Why does it matter if I was born before 1991?

How do I know if I’ve ever received a hepatitis B vaccine?

What is HEPLISAV-B and how quickly does it work?

What are the side effects?

How effective is HEPLISAV-B?

How will I feel after getting my first or second dose?

Where can I get vaccinated with HEPLISAV-B?

Is HEPLISAV-B covered by my insurance?

Watch our story

See how HEPLISAV-B can help you get caught up on your hepatitis B vaccination status, so you can catch up on what really matters.
CDC, Centers for Disease Control and Prevention.
INDICATION & Important Safety Information

INDICATION

HEPLISAV-B is indicated for the prevention of infection caused by the hepatitis B virus in adults 18 years of age and older.

IMPORTANT SAFETY INFORMATION

If you have a history of severe allergic reaction after a previous dose of any hepatitis B vaccine, or to any ingredient of HEPLISAV-B, including yeast, do not take HEPLISAV-B.

HEPLISAV-B must be given by a medical professional, who will monitor you afterwards to check for allergic reaction.

If you are immunocompromised, or receiving immunosuppressant therapy, you may have less of an immune response to HEPLISAV-B.

Some people have hepatitis B infection without being aware of it or showing any symptoms. If you already have hepatitis B present in your body, HEPLISAV-B may not prevent hepatitis B infection.

The most common side effects reported by patients within 7 days of vaccination with HEPLISAV-B were pain at the site of injection (23%-39%), tiredness (11%-17%), and headache (8%-17%).

Please see Full Prescribing Information.

INDICATION & Important Safety Information

INDICATION

HEPLISAV-B is indicated for the prevention of infection caused by the hepatitis B virus in adults 18 years of age and older.

IMPORTANT SAFETY INFORMATION

If you have a history of severe allergic reaction after a previous dose of any hepatitis B vaccine, or to any ingredient of HEPLISAV-B, including yeast, do not take HEPLISAV-B.

HEPLISAV-B must be given by a medical professional, who will monitor you afterwards to check for allergic reaction.

If you are immunocompromised, or receiving immunosuppressant therapy, you may have less of an immune response to HEPLISAV-B.

Some people have hepatitis B infection without being aware of it or showing any symptoms. If you already have hepatitis B present in your body, HEPLISAV-B may not prevent hepatitis B infection.

The most common side effects reported by patients within 7 days of vaccination with HEPLISAV-B were pain at the site of injection (23%-39%), tiredness (11%-17%), and headache (8%-17%).

Please see Full Prescribing Information.