Tag: causality assessment
- Dec 30, 2025
- Posted by Cillian Osterfield
Dechallenge and Rechallenge in Drug Side Effects: How Doctors Confirm If a Medication Caused an Adverse Reaction
Dechallenge and rechallenge are clinical methods used to confirm if a drug caused an adverse reaction. Stopping the drug (dechallenge) and, if safe, restarting it (rechallenge) provide the strongest evidence of causality in pharmacovigilance.
