Drug interactions
Alfentanil + Phenytoin
Severity: Moderate
Alfentanil and Phenytoin: 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
Phenytoin may reduce alfentanil concentrations and shorten its effect, so more opioid may be needed during anesthesia or analgesia.
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Drug class
- Phenytoin
- Central Nervous System
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