Last reviewed on RxList: 1/20/2021
Bacitracin Side Effects Center

What Is Bacitracin?

Bacitracin for Injection is an antibiotic used intramuscularly (IM) for the treatment of infants with pneumonia and empyema caused by staphylococci shown to be susceptible to the drug. Bacitracin for injection is available in generic form.

What Are Side Effects of Bacitracin?

Common side effects of bacitracin for injection include:

  • nausea,
  • vomiting,
  • injection site reactions (pain, burning, or swelling),
  • skin rashes, and
  • possible kidney problems.

Tell your doctor if your child has serious side effects of bacitracin for injection including:

Dosage for Bacitracin

The infant dose of Bacitracin for injection for infants under 2500 grams is 900 units/kg/24 hours in 2 or 3 divided doses. For infants over 2500 grams, the dose is 1,000 units/kg/24 hours, in 2 or 3 divided doses. In older children and adults, the dose will be determined by a physician.

What Drugs, Substances, or Supplements Interact with Bacitracin?

Bacitracin for injection may interact with other drugs. Tell your doctor all medications and supplements you or your child take.

Bacitracin During Pregnancy and Breastfeeding

During pregnancy, Bacitracin for injection should be used only if prescribed. Consult your doctor before breastfeeding.

Additional Information

Our Bacitracin for Injection, USP 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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Bacitracin Consumer Information

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

While receiving bacitracin injection, your baby will be watched for the following side effects:

  • diarrhea that is watery or bloody;
  • urinating more than usual or more often;
  • little or no urinating (fewer wet diapers);
  • blood in the urine;
  • lower back pain; or
  • painful urination.

Common side effects include:

  • nausea, vomiting;
  • mild skin rash; or
  • pain, burning, or swelling where the medicine was injected.

This is not a complete list of side effects and others may occur. Tell your doctor about any unusual or bothersome side effect. You may report side effects to FDA at 1-800-FDA-1088.

Read the entire detailed patient monograph for Bacitracin (Bacitracin)


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Bacitracin Professional Information


Nephrotoxic reactions—Albuminuria, cylindruria, azotemia. Rising blood levels without any increase in dosage.

Other reactions—Nausea and vomiting. Pain at site of injection. Skin rashes.

Read the entire FDA prescribing information for Bacitracin (Bacitracin)

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

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