Drug interactions
Chloramphenicol + Piperacillin
Severity: Moderate
Chloramphenicol and Piperacillin: 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
Chloramphenicol is bacteriostatic and may reduce the bactericidal effect of piperacillin, with antagonism shown in some in vitro and animal data. The clinical significance is uncertain but could matter in severe infections such as meningitis or endocarditis.
What this interaction means in plain words
Chloramphenicol and Piperacillin 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.
Chloramphenicol belongs to Anti Bacterial; Piperacillin belongs to Anti Bacterial.
Why it happens
Pharmacodynamic antagonism: inhibition of bacterial protein synthesis reduces the growth-dependent killing by beta-lactams.
What to do
Avoid combining in serious infections that need bactericidal therapy unless there is a specific indication. Monitor clinical response if both are used.
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
- Piperacillin + Vancomycin Major
- Acetylsalicylic acid + Piperacillin Moderate
- Amikacin + Piperacillin Moderate
- Antithrombin alfa + Piperacillin Moderate
- Antithrombin iii + Piperacillin Moderate
- Argatroban + Piperacillin Moderate
Other interactions of Chloramphenicol
Frequently asked questions
Can I take Chloramphenicol with Piperacillin?
MediHelp rates the interaction as moderate. Chloramphenicol and Piperacillin 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. Chloramphenicol is bacteriostatic and may reduce the bactericidal effect of piperacillin, with antagonism shown in some in vitro and animal data. The clinical significance is uncertain but could matter in severe infections such as meningitis or endocarditis.
How serious is the interaction between Chloramphenicol and Piperacillin?
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 combining in serious infections that need bactericidal therapy unless there is a specific indication. Monitor clinical response if both are used.
What other medicines interact with Piperacillin?
MediHelp also lists interactions of Piperacillin with, for example, Vancomycin, Acetylsalicylic acid, Amikacin. The full list is on the Piperacillin page.
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