fosphenytoin sodium · Medicine question

When do plasma fosphenytoin concentrations peak after intramuscular administration of Pro-Epanutin (fosphenytoin sodium)?

Name: When do plasma fosphenytoin concentrations peak after intramuscular administration of Pro-Epanutin (fosphenytoin sodium)?
Published: 2026-11-08T13:46:19.968Z

iatroX medicinesPublished 8 November 2026

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Plasma fosphenytoin concentrations peak approximately 30 minutes after intramuscular administration of Pro-Epanutin (fosphenytoin sodium).

Sources for this answer

Pro-Epanutin Concentrate for Infusion / Solution for InjectionPfizer Limited · emc · SmPC §5.2 Pharmacokinetic properties · Version 26Document updated 15 June 2023

Sources checked 8 November 2026

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