Category: Pharmacy and Medication Savings - Page 4

NTI Substitution Laws: Which States Block Generic Drug Swaps

NTI Substitution Laws: Which States Block Generic Drug Swaps

Twenty-seven U.S. states have special rules blocking or restricting generic substitution for narrow therapeutic index drugs like warfarin and levothyroxine. Know which states restrict swaps, why it matters, and how to protect yourself.