Drug interactions
Erythromycin ethylsuccinate + Piperacillin
Severity: Minor
Erythromycin ethylsuccinate and Piperacillin: minor 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 macrolides may blunt the activity of bactericidal beta-lactams, which depend on actively dividing bacteria. Clinical evidence is limited and the effect is often not significant.
What this interaction means in plain words
Erythromycin ethylsuccinate and Piperacillin have a small, usually unimportant interaction. Most people can take both; the pharmacist may still mention it so that any unexpected effect is recognised.
Why it happens
Pharmacodynamic antagonism: inhibition of bacterial protein synthesis reduces growth needed for beta-lactam killing.
What to do
Avoid unnecessary combination in serious infections where bactericidal activity is essential. Otherwise monitor clinical response.
What to ask your pharmacist
- Is there anything I should notice while taking both?
- Do I need to tell my doctor at the next visit?
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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
Frequently asked questions
Can I take Erythromycin ethylsuccinate with Piperacillin?
MediHelp rates the interaction as minor. Erythromycin ethylsuccinate and Piperacillin have a small, usually unimportant interaction. Most people can take both; the pharmacist may still mention it so that any unexpected effect is recognised. Bacteriostatic macrolides may blunt the activity of bactericidal beta-lactams, which depend on actively dividing bacteria. Clinical evidence is limited and the effect is often not significant.
How serious is the interaction between Erythromycin ethylsuccinate and Piperacillin?
MediHelp rates it minor, on a four-level scale (minor, moderate, major, contraindicated) based on published labels and references. What to do, in brief: Avoid unnecessary combination in serious infections where bactericidal activity is essential. 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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