Tag: narrow therapeutic index
Prior Authorization for NTI Drugs: When Insurers Require Brand-Name Medications
- By : Archer Hamilton
- Date : Dec 1 2025
NTI drugs like levothyroxine and phenytoin require strict dosing consistency. Yet many insurers still force patients through prior authorization for brand-name versions, risking health crises. Learn why this happens and what you can do.
Identifying Problem Generics: When Pharmacists Should Flag Issues
- By : Archer Hamilton
- Date : Nov 21 2025
Generics save money but aren't always interchangeable. Pharmacists must watch for therapeutic failure, look-alike confusion, and formulation issues - especially with narrow therapeutic index drugs. Here's when to flag a problematic generic.
