May 24, 2017
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BayRab Side Effects Center

Medical Editor: John P. Cunha, DO, FACOEP

Last reviewed on RxList 6/6/2016

BayRab Rabies Immune Globulin (Human) is an anti-rabies immune globulin given to all persons suspected of exposure to rabies with one exception: persons who have been previously immunized with rabies vaccine and have a confirmed adequate rabies antibody titer should receive only vaccine. BayRab Rabies Immune Globulin may be available in generic form. Common side effects of BayRab Rabies Immune Globulin include injection site soreness and fever.

Rare side effects of BayRab Rabies Immune Globulin include swelling, rash, and anaphylactic shock.

The recommended dose for BayRab is 20 IU/kg (0.133 mL/kg) of body weight given preferably at the time of the first vaccine dose. It may also be given through the seventh day after the first dose of vaccine is given. BayRab may interact with "live" vaccines such as measles, mumps, polio, or rubella. Tell your doctor all medications and supplements you use and all vaccines you recently received. During pregnancy, BayRab should be given only if prescribed. Consult your doctor before breastfeeding.

Our BayRab Rabies 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.

What is Prescribing information?

The FDA package insert formatted in easy-to-find categories for health professionals and clinicians.

BayRab FDA Prescribing Information: Side Effects
(Adverse Reactions)


Soreness at the site of injection and mild temperature elevations may be observed at times. Sensitization to repeated injections has occurred occasionally in immunoglobulin-deficient patients. Angioneurotic edema, skin rash, nephrotic syndrome, and anaphylactic shock have rarely been reported after intramuscular injection, so that a causal relationship between immunoglobulin and these reactions is not clear.

Read the entire FDA prescribing information for BayRab (Rabies Immune Globulin (Human) Solvent/Detergent Treated)

Report Problems to the Food and Drug Administration


You are encouraged to report negative side effects of prescription drugs to the FDA. Visit the FDA MedWatch website or call 1-800-FDA-1088.

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