Explore the risks and safety of switching between generic and brand-name NTI drugs. Learn which medications fall into this category, how FDA bioequivalence standards work, and practical tips for protecting your health during manufacturer changes.
NTI drugs like levothyroxine and phenytoin require strict consistency to avoid life-threatening side effects. Yet many insurers still force patients through prior authorization to get the brand-name version they need - even when generics aren't safe substitutes.
Doctors rarely prescribe brand-name drugs only - but when they do, it's usually because your health depends on it. Learn why generics aren't always enough and when brand-name medication is medically necessary.