Drug interactions
Bacitracin + Tacrolimus
Severity: Major
Bacitracin and Tacrolimus: major interaction.
Last updated
For healthcare professionals — reference only. This page is a brief summary, not medical advice and not a substitute for official labeling or clinical judgement. Always verify before prescribing or dispensing.
Summary
Systemic bacitracin is nephrotoxic, and tacrolimus is also nephrotoxic, so combined use may cause additive kidney injury. Topical bacitracin has minimal absorption, but systemic use is the concern.
What this interaction means in plain words
Bacitracin and Tacrolimus can interact in a way that may be serious. Using them together is sometimes necessary, but it needs a deliberate decision by the prescriber, a plan for monitoring, and clear advice on the warning signs to watch for.
Bacitracin belongs to Miscellaneous; Tacrolimus belongs to Miscellaneous.
Why it happens
Additive nephrotoxicity.
What to do
Avoid systemic bacitracin with tacrolimus; if unavoidable monitor serum creatinine and tacrolimus levels.
What to ask your pharmacist
- Does the benefit of taking both outweigh the risk in my case?
- Do I need any blood test, ECG or other check while on both?
- What early warning signs should I watch for, and what should I do if they appear?
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Other interactions of Tacrolimus
- Adenovirus types 4 and 7 live + Tacrolimus Contraindicated
- Bcg vaccine live + Tacrolimus Contraindicated
- Cidofovir + Tacrolimus Contraindicated
- Cyclosporin + Tacrolimus Contraindicated
- Influenza virus vaccine quadrivalent intranasal + Tacrolimus Contraindicated
- Measles mumps and rubella vaccine live + Tacrolimus Contraindicated
Other interactions of Bacitracin
- Bacitracin + Cidofovir Contraindicated
- Adefovir + Bacitracin Major
- Aldesleukin + Bacitracin Major
- Amikacin + Bacitracin Major
- Bacitracin + Carboplatin Major
- Bacitracin + Cisplatin Major
Frequently asked questions
Can I take Bacitracin with Tacrolimus?
MediHelp rates the interaction as major. Bacitracin and Tacrolimus can interact in a way that may be serious. Using them together is sometimes necessary, but it needs a deliberate decision by the prescriber, a plan for monitoring, and clear advice on the warning signs to watch for. Systemic bacitracin is nephrotoxic, and tacrolimus is also nephrotoxic, so combined use may cause additive kidney injury. Topical bacitracin has minimal absorption, but systemic use is the concern.
How serious is the interaction between Bacitracin and Tacrolimus?
MediHelp rates it major, on a four-level scale (minor, moderate, major, contraindicated) based on published labels and references. What to do, in brief: Avoid systemic bacitracin with tacrolimus; if unavoidable monitor serum creatinine and tacrolimus levels.
What other medicines interact with Tacrolimus?
MediHelp also lists interactions of Tacrolimus with, for example, Adenovirus types 4 and 7 live, Bcg vaccine live, Cidofovir. The full list is on the Tacrolimus page.
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