Refill-By Dates vs. Expiration Dates on Prescription Labels: What You Need to Know
Feb 22 2026
The 80-125% Rule: Understanding Bioequivalence Confidence Intervals
Explains the 80-125% bioequivalence rule, clarifying that it measures drug absorption rates (AUC/Cmax) via 90% confidence intervals, not ingredient amounts. Covers exceptions for NTI drugs and common misconceptions.
