Drug interactions
Cholera vaccine + Piperacillin-tazobactam
Severity: Moderate
Cholera vaccine and Piperacillin-tazobactam: moderate 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
Live attenuated oral cholera vaccine needs to colonize the gut to be effective. Systemic antibiotics active against the strain may reduce its viability and the immune response. Piperacillin-tazobactam has broad activity that probably covers the vaccine strain.
What this interaction means in plain words
Cholera vaccine and Piperacillin-tazobactam can affect each other. The combination is often manageable, but it may need a change of dose, a change of timing, or extra checks while both are taken.
Why it happens
Antibacterial activity against the live attenuated vaccine organism reduces replication and immunogenicity.
What to do
Avoid vaccination within 14 days after systemic antibiotics, per labeling. Delay antibiotics after vaccination where clinically possible.
What to ask your pharmacist
- Should I take them at different times of day?
- Does the dose of either medicine need to change?
- Is there anything I should avoid, such as alcohol or certain foods, while on both?
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Other interactions of Piperacillin-tazobactam
Frequently asked questions
Can I take Cholera vaccine with Piperacillin-tazobactam?
MediHelp rates the interaction as moderate. Cholera vaccine and Piperacillin-tazobactam can affect each other. The combination is often manageable, but it may need a change of dose, a change of timing, or extra checks while both are taken. Live attenuated oral cholera vaccine needs to colonize the gut to be effective. Systemic antibiotics active against the strain may reduce its viability and the immune response. Piperacillin-tazobactam has broad activity that probably covers the vaccine strain.
How serious is the interaction between Cholera vaccine and Piperacillin-tazobactam?
MediHelp rates it moderate, on a four-level scale (minor, moderate, major, contraindicated) based on published labels and references. What to do, in brief: Avoid vaccination within 14 days after systemic antibiotics, per labeling. Delay antibiotics after vaccination where clinically possible.
What other medicines interact with Piperacillin-tazobactam?
MediHelp also lists interactions of Piperacillin-tazobactam with, for example, Vancomycin, Amikacin, Antithrombin alfa. The full list is on the Piperacillin-tazobactam page.
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