Drug interactions
Erythromycin + Ticarcillin
Severity: Minor
Erythromycin and Ticarcillin: 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
Erythromycin may theoretically reduce the bactericidal activity of ticarcillin against growing bacteria. Clinical significance is uncertain and supporting data are limited.
What this interaction means in plain words
Erythromycin and Ticarcillin 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
Theoretical pharmacodynamic antagonism between a bacteriostatic macrolide and a bactericidal cell wall inhibitor.
What to do
No routine change is needed; monitor clinical response in serious infections.
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 Erythromycin
- Conivaptan + Erythromycin Contraindicated
- Dihydroergotamine intranasal + Erythromycin Contraindicated
- Dihydroergotamine + Erythromycin Contraindicated
- Domperidone + Erythromycin Contraindicated
- Dronedarone + Erythromycin Contraindicated
- Droperidol + Erythromycin Contraindicated
Frequently asked questions
Can I take Erythromycin with Ticarcillin?
MediHelp rates the interaction as minor. Erythromycin and Ticarcillin have a small, usually unimportant interaction. Most people can take both; the pharmacist may still mention it so that any unexpected effect is recognised. Erythromycin may theoretically reduce the bactericidal activity of ticarcillin against growing bacteria. Clinical significance is uncertain and supporting data are limited.
How serious is the interaction between Erythromycin and Ticarcillin?
MediHelp rates it minor, on a four-level scale (minor, moderate, major, contraindicated) based on published labels and references. What to do, in brief: No routine change is needed; monitor clinical response in serious infections.
What other medicines interact with Erythromycin?
MediHelp also lists interactions of Erythromycin with, for example, Conivaptan, Dihydroergotamine intranasal, Dihydroergotamine. The full list is on the Erythromycin page.
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