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Phenytoin/Fosphenytoin Tip Sheet: CYP2C9 Poor Metabolizers

The following information is intended for use by providers who are attempting to prescribe phenytoin or fosphenytoin to patients with CYP2C9 poor metabolizer phenotypes.

For immediate questions, send a secure chat message to Groups: Pharmacogenomics Service in UCHealth's EHR.

Patient Education Resources

Clinicians using the UCHealth EHR can use dotphrase: .pgxphenytointopatient

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Reference: https://cpicpgx.org/guidelines/guideline-for-phenytoin-and-cyp2c9-and-hla-b/

Creative Commons License

Phenytoin and CYP2C9 Poor Metabolizer Tip Sheet by Christina L. Aquilante is licensed under a Creative Commons Attribution-NonCommercial-NoDerivatives 4.0 International License.
Based on a work at https://medschool.cuanschutz.edu/cobiobank/providers/results/pgx/phenytoin-tipsheets/poor-metabolizer.

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