Tag: narrow therapeutic index

Phenytoin and Generics: What You Need to Know About Therapeutic Drug Monitoring
10
Jan
Phenytoin and Generics: What You Need to Know About Therapeutic Drug Monitoring
Medications 6 Comments

Switching between brand-name and generic phenytoin can be risky due to its narrow therapeutic index and non-linear metabolism. Learn when and how to monitor levels to prevent seizures or toxicity.

Why Generic Switching Raises Concerns for NTI Drugs
4
Dec
Why Generic Switching Raises Concerns for NTI Drugs
Medications 9 Comments

Generic switching for NTI drugs like warfarin and phenytoin can cause dangerous fluctuations in blood levels, leading to toxicity or treatment failure. Learn why even small differences matter-and what patients and doctors must do to stay safe.