NTI generics like warfarin and levothyroxine require strict global regulation due to their narrow safety margin. This article compares FDA, EMA, and other international approaches to ensure patient safety and therapeutic consistency.
NTI drugs like levothyroxine and phenytoin require extreme consistency-yet insurers often force patients through prior authorization to get brand-name versions. Here's why that's dangerous, how policies vary, and what you can do.