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Tag: phenytoin

Phenytoin and Generics: What You Need to Know About Therapeutic Drug Monitoring
phenytoin generic phenytoin therapeutic drug monitoring narrow therapeutic index phenytoin levels

Phenytoin and Generics: What You Need to Know About Therapeutic Drug Monitoring

Phenytoin has a narrow therapeutic range and unpredictable metabolism, making generic switches risky. Learn when and how to monitor levels to avoid toxicity or breakthrough seizures.

January 15 2026