Tag: narrow therapeutic index

Digoxin Generics: Why Bioavailability Matters and How to Monitor Safety

Digoxin generics may be cheaper, but switching between brands can cause dangerous changes in blood levels. Learn why bioavailability matters, how to monitor for toxicity, and what steps to take to stay safe.

When Your Doctor Might Prescribe Brand-Name Only and Why

Learn why doctors sometimes prescribe brand-name drugs instead of cheaper generics-and when it actually matters for your health. From thyroid meds to epilepsy drugs, understand the real medical reasons behind brand-only prescriptions.