Drug interactions
carbapenem + valproate
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.
Overview
Sharp ↓ valproate levels → loss of seizure control.
Mechanism of action
Increased VPA clearance/↓ enterohepatic recirculation by carbapenems.
Clinical management
Avoid; choose non-carbapenem antibiotic or alternative AED.
References
- Valproate + carbapenems — SPS
- Valproate concentration drop — PubMed
Frequently asked questions
Can I take carbapenem with valproate?
The interaction is rated: Major. Sharp ↓ valproate levels → loss of seizure control.
How serious is the interaction between carbapenem and valproate?
The interaction is rated: Major. Evidence level: High.
How is the interaction between carbapenem and valproate managed?
Avoid; choose non-carbapenem antibiotic or alternative AED.
Why do carbapenem and valproate interact?
Increased VPA clearance/↓ enterohepatic recirculation by carbapenems.
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