Live BCG/Selected Antimycobacterials Interactions

This information is generalized and not intended as specific medical advice. Consult your healthcare professional before taking or discontinuing any drug or commencing any course of treatment.

Medical warning:

Serious. These medicines may interact and cause very harmful effects. Contact your healthcare professional (e.g. doctor or pharmacist) for more information.

How the interaction occurs:

When these two medicines are taken together, the antibiotic may cause the BCG to not work as well.

What might happen:

The effects of your antibiotic may decrease the effectiveness of the vaccine or of BCG treatment for bladder cancer.

What you should do about this interaction:

Before receiving a vaccination or bladder instillation of BCG let your doctor know if you are taking any antibiotics.Your healthcare professionals (e.g. doctor or pharmacist) may already be aware of this interaction and may be monitoring you for it. Do not start, stop, or change the dosage of any medicine before checking with them first.

  • 1.BCG Vaccine US prescribing information. Organon Inc. October, 2006.
  • 2.TICE BCG (BCG live, for intravesical use) prescribing information. Organon USA Inc. October, 2010.

Selected from data included with permission and copyrighted by First Databank, Inc. This copyrighted material has been downloaded from a licensed data provider and is not for distribution, except as may be authorized by the applicable terms of use.

CONDITIONS OF USE: The information in this database is intended to supplement, not substitute for, the expertise and judgment of healthcare professionals. The information is not intended to cover all possible uses, directions, precautions, drug interactions or adverse effects, nor should it be construed to indicate that use of a particular drug is safe, appropriate or effective for you or anyone else. A healthcare professional should be consulted before taking any drug, changing any diet or commencing or discontinuing any course of treatment.