Pharmacists across the U.S. can legally substitute medications to save costs and improve access - but rules vary drastically by state. Learn how generic and therapeutic substitution work, where they're allowed, and what patients and providers need to know.
Jan 12 2026
Medical society guidelines on generic drug use vary by specialty. While most doctors support generics for cost savings, neurologists and others caution against substitution for drugs with narrow therapeutic indices due to patient safety risks.
Dec 15 2025
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