This site is intended for U.S. residents 18 years of age or older.

I didn't realize that as a 'carrier,' I could spread the disease to my loved ones.*

It is not known if BARACLUDE is safe and effective for use in children less than 2 years of age.

Please see Indication and Important Safety Information below, including Boxed WARNINGS.

Not an actual patient.

Not an actual patient quote.

“ I didn't realize that as a 'carrier,' I could spread the disease to my loved ones.*

It is not known if BARACLUDE is safe and effective for use in children less than 2 years of age.

Please see Indication and Important Safety Information below, including Boxed WARNINGS.

Not an actual patient.

Not an actual patient quote.

Monitoring your condition

Visit your doctor regularly and learn more about chronic hepatitis B (CHB) therapy.

Not all people who have chronic hepatitis B (CHB) A condition that occurs when one is infected with hepatitis B virus for more than 6 months. Often referred to as a "silent" disease, the virus infects the liver, damaging it over time, often without any symptoms. need treatment. However, if you have CHB, you need to work closely with your doctor to monitor your condition. Your primary care physician may manage your chronic hepatitis B, or may refer you to a specialist.

Act now! Partner with your doctor

It is important that you see your doctor regularly for monitoring.

You can still take steps to manage your chronic hepatitis B (CHB) A condition that occurs when one is infected with hepatitis B virus for more than 6 months. Often referred to as a "silent" disease, the virus infects the liver, damaging it over time, often without any symptoms. even though there is no cure. If your viral load The amount of virus in the blood. The viral load is measured through a simple blood test. is low or undetectable, it does not mean that the hepatitis B virus (HBV) A liver infection caused by the hepatitis B virus (HBV). It is spread primarily through infected blood and bodily fluids, unprotected sex, shared needles, and from infected mother's blood to her baby during birth. has gone away.

Your viral load and your disease state may change. Knowing your viral load can help your doctor monitor your hepatitis B. That's why your doctor needs to regularly test your viral load The amount of virus in the blood. The viral load is measured through a simple blood test. to help monitor your CHB and why you need to see your doctor regularly.

Download the free Treatment Tracker, which answers important questions about the tests your doctor may perform.

At each visit, your doctor may perform exams and tests to find out how active the hepatitis B virus (HBV) A liver infection caused by the hepatitis B virus (HBV). It is spread primarily through infected blood and bodily fluids, unprotected sex, shared needles, and from infected mother's blood to her baby during birth. is in your body and whether you have liver The largest internal organ in the body. The liver performs many important tasks to keep the body healthy. It removes harmful toxins from the blood and helps digest food by turning it into energy and nutrients the body can use. damage. These will help to determine if you need to begin chronic hepatitis B therapy.

During your visits, your doctor may:

Deciding if chronic hepatitis B therapy is needed

The results of the tests listed above will help your doctor decide if chronic hepatitis B therapy is right for you. Not everyone who has CHB needs treatment. So talk to your doctor to find out if CHB therapy is right for you.

Preparing for your visit

Make the most of your next visit to the doctor by preparing ahead of time. This will help your doctor address any concerns and decide if chronic hepatitis B therapy is needed.

  • Write down any questions about your health or CHB therapy. Download questions you may want to ask.
  • Bring a list of all the medicines you take, including prescription and nonprescription medicines, vitamins, and herbal supplements.
  • Bring copies of your previous blood test results.
  • Ask a friend or family member to come along for support.
  • Bring a pen and paper for taking notes.
  • Download the free Treatment Tracker. It provides information about hepatitis B blood tests and what the results may mean. Take a few minutes to review it, and bring it with you during your next doctor's visit.

Learn more about chronic hepatitis B resources

Starter Brochure

Read “Getting Started,” a helpful guide for patients taking BARACLUDE® (entecavir).

CLICK to download brochure.

Questions to Ask Your Doctor

When it comes to managing chronic hepatitis B, you and your doctor are a team. Here are some questions to get you started.

CLICK to download questions brochure.

Important Safety Information:

Selected Important Safety Information

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What is the most important information I should know about BARACLUDE® (entecavir)?

  •   Your hepatitis B virus infection may get worse if you stop taking BARACLUDE. This usually happens within 6 months after stopping BARACLUDE. Take BARACLUDE exactly as prescribed; do not run out of your medicine or stop taking BARACLUDE without talking to your healthcare provider. Your healthcare provider should monitor your health and do regular blood tests to check your liver if you stop taking BARACLUDE.
  •   If you have or get HIV infection that is not being treated with medicines while taking BARACLUDE, the HIV virus may develop resistance to certain HIV medicines and become harder to treat. You should get an HIV test before you start taking BARACLUDE and anytime after that when there is a chance you were exposed to HIV.

BARACLUDE can cause serious side effects including:

  •   Lactic acidosis (buildup of acid in the blood). Some people who have taken BARACLUDE or medicines like BARACLUDE have developed a serious condition called lactic acidosis. Lactic acidosis is a serious medical emergency that can cause death and must be treated in the hospital. Reports of lactic acidosis with BARACLUDE generally involved patients who were seriously ill due to their liver disease or other medical condition.
    •   Call your healthcare provider right away if you: feel very weak or tired; have unusual (not normal) muscle pain; have trouble breathing; have stomach pain with nausea and vomiting; feel cold (especially in your arms and legs); feel dizzy or light-headed; have a fast or irregular heartbeat.
  •   Serious liver problems. Some people who have taken medicines like BARACLUDE have developed serious liver problems called hepatotoxicity, with liver enlargement (hepatomegaly) and fat in the liver (steatosis). Hepatomegaly with steatosis is a serious medical emergency that can cause death.
    •   Call your healthcare provider right away if: your skin or the white part of your eyes turns yellow (jaundice); your urine turns dark; your bowel movements (stools) turn light in color; you don’t feel like eating food for several days or longer; you feel sick to your stomach (nausea); you have lower stomach pain.
  •   If you are female, very overweight, or have been taking nucleoside analogue medicines, like BARACLUDE for a long time, you may be more likely to get lactic acidosis or serious liver problems.

Before you take BARACLUDE, tell your healthcare provider if you:

  •   have kidney problems. Your BARACLUDE dose or schedule may need to be changed.
  •   have received medicine for HBV before. Some people, especially those who have already been treated with certain other medicines for HBV, may develop resistance to BARACLUDE and may have less benefit from treatment. Your healthcare provider will test the level of the hepatitis B virus in your blood.
  •   have any other medical conditions.
  •   are pregnant or plan to become pregnant. It is not known if BARACLUDE will harm your unborn baby. Talk to your healthcare provider if you are pregnant or plan to become pregnant.
  •   are breast-feeding or plan to breast-feed. It is not known if BARACLUDE can pass into your breast milk. You and your healthcare provider should decide if you will take BARACLUDE or breast-feed.

Tell your healthcare provider about all the medicines you take, including prescription and nonprescription medicines, vitamins, and herbal supplements.

The most common side effects of BARACLUDE include: headache, tiredness, dizziness, and nausea. These are not all the possible side effects of BARACLUDE. For more information, ask your healthcare provider or pharmacist.

Do not change your dose or stop taking BARACLUDE without talking to your healthcare provider. If you forget to take your dose, call your healthcare provider or pharmacist, if you are not sure what to do.

Please see Full Prescribing Information, including “What is the most important information I should know about BARACLUDE?” in the Patient Information section. You are encouraged to report negative side effects of prescription drugs to the FDA. Visit www.fda.gov/medwatch, or call
1-800-FDA-1088.

Selected Important Safety Information:

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Selected Important Safety Information

BARACLUDE can cause serious side effects including:

  •   Lactic acidosis (buildup of acid in the blood). Some people who have taken BARACLUDE or medicines like BARACLUDE have developed a serious condition called lactic acidosis. Lactic acidosis is a serious medical emergency that can cause death and must be treated in the hospital. Reports of lactic acidosis with BARACLUDE generally involved patients who were seriously ill due to their liver disease or other medical condition.
    •   Call your healthcare provider right away if you: feel very weak or tired; have unusual (not normal) muscle pain; have trouble breathing; have stomach pain with nausea and vomiting; feel cold (especially in your arms and legs); feel dizzy or light-headed; have a fast or irregular heartbeat.
  •   Serious liver problems. Some people who have taken medicines like BARACLUDE have developed serious liver problems called hepatotoxicity, with liver enlargement (hepatomegaly) and fat in the liver (steatosis). Hepatomegaly with steatosis is a serious medical emergency that can cause death.
    •   Call your healthcare provider right away if: your skin or the white part of your eyes turns yellow (jaundice); your urine turns dark; your bowel movements (stools) turn light in color; you don’t feel like eating food for several days or longer; you feel sick to your stomach (nausea); you have lower stomach pain.