Drug interactions
Omadacycline + Piperacillin
Severity: Moderate
Omadacycline 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
Bacteriostatic tetracyclines may blunt the bactericidal action of penicillins such as piperacillin. Clinical evidence is limited.
What this interaction means in plain words
Omadacycline 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.
Omadacycline belongs to Anti Bacterial; Piperacillin belongs to Anti Bacterial.
Why it happens
Bacteriostatic inhibition of protein synthesis reduces growth-dependent beta-lactam killing.
What to do
Avoid combining in severe infections needing bactericidal therapy; otherwise monitor clinical response.
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 Omadacycline
- Acitretin + Omadacycline Contraindicated
- Isotretinoin + Omadacycline Major
- Omadacycline + Tretinoin Major
- Aluminum hydroxide + Omadacycline Moderate
- Amoxicillin-clavulanic acid + Omadacycline Moderate
- Amoxicillin + Omadacycline Moderate
Frequently asked questions
Can I take Omadacycline with Piperacillin?
MediHelp rates the interaction as moderate. Omadacycline 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. Bacteriostatic tetracyclines may blunt the bactericidal action of penicillins such as piperacillin. Clinical evidence is limited.
How serious is the interaction between Omadacycline 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 severe infections needing bactericidal therapy; otherwise monitor clinical response.
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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