Tag: pharmacovigilance
How to Understand Boxed Warning Label Changes Over Time
Aug, 30 2026
Learn how to interpret FDA boxed warning changes over time. Discover why labels evolve, how to track updates, and what these shifts mean for drug safety.
Dechallenge and Rechallenge in Drug Side Effects: What These Tests Mean
Nov, 27 2025
Dechallenge and rechallenge are key clinical tools used to determine if a drug caused a side effect. Stopping the drug (dechallenge) and safely restarting it (rechallenge) provide the strongest evidence of causality in pharmacovigilance.