BayHep B Side Effects Center

Last updated on RxList: 2/2/2022
BayHep B Side Effects Center

What Is BayHep B?

BayHep B (hepatitis b immune globulin human) is an immunization used for post-exposure prevention of infection with the hepatitis B virus in patients exposed to the virus under certain conditions (such as direct contact with blood or body fluids containing this virus). BayHep B may be available in generic form.

What Are Side Effects of BayHep B?

Common side effects of BayHep B include:

  •  local injection site reactions (pain, tenderness, redness, swelling)
  • headache
  • nausea
  • loss of appetite
  • fever, and
  • allergic reactions (rash, hives, itching, difficulty breathing, chest tightness, or swelling of the mouth, face, lips, or tongue

Dosage for BayHep B

The dose of BayHep B is an injection of 0.06 mL/kg of body weight administered intramuscularly as soon as possible after exposure and within 24 hours, if possible.

What Drugs, Substances, or Supplements Interact with BayHep B?

BayHep B may interact with other live virus vaccines. Tell your doctor all medications and supplements you use and all vaccines you recently received.

BayHep B During Pregnancy or Breastfeeding

It is unknown if BayHep B can cause fetal harm when administered to a pregnant woman or can affect reproduction capacity. Tell your doctor if you are pregnant before receiving BayHep B. Consult your doctor before breastfeeding.

Additional Information

Our BayHep B (hepatitis b immune globulin human) Side Effects Drug Center provides a comprehensive view of available drug information on the potential side effects when taking this medication.

This is not a complete list of side effects and others may occur. Call your doctor for medical advice about side effects. You may report side effects to FDA at 1-800-FDA-1088.


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BayHep B Consumer Information

Get emergency medical help if you have any of these signs of an allergic reaction: hives; difficult breathing; swelling of your face, lips, tongue, or throat.

Call your doctor at once if you have:

  • fever, mouth sores, red or swollen gums;
  • a light-headed feeling, like you might pass out;
  • liver problems--upper stomach pain, loss of appetite, dark urine, clay-colored stools, jaundice (yellowing of the skin or eyes);
  • symptoms of fluid buildup around your lungs--chest pain, pain when you breathe, rapid heart rate, feeling light-headed or short of breath (especially when lying down); or
  • symptoms of a blood clot or stroke--sudden numbness or weakness (especially on one side of the body); chest pain, trouble breathing, rapid heart rate, coughing up blood; or pain, swelling, warmth, or redness in your arms or legs.

Common side effects may include:

  • nausea, vomiting, diarrhea, upset stomach;
  • back pain, tired feeling;
  • tremors, memory problems, agitation, vision problems;
  • cold symptoms such as stuffy nose, sneezing, sore throat;
  • mild rash; or
  • pain, redness, bruising, or tenderness where the medicine was injected.

This is not a complete list of side effects and others may occur. Call your doctor for medical advice about side effects. You may report side effects to FDA at 1-800-FDA-1088.

BayHep B Professional Information


Local pain and tenderness at the injection site, urticaria and angioedema may occur; anaphylactic reactions, although rare, have been reported following the injection of human immune globulin preparations.19

Read the entire FDA prescribing information for BayHep B (Hepatitis B Immune Globulin (Human))

© BayHep B Patient Information is supplied by Cerner Multum, Inc. and BayHep B Consumer information is supplied by First Databank, Inc., used under license and subject to their respective copyrights.

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