Posted in Web Explainer: Hazards of ketamine in focus after actor Matthew Perry’s … Ketamine, the powerful sedative that caused actor Matthew Perry’s 2023 drug overdose death, has been approved for clinical use as an anesthetic since 1970, when it was first given to wounded … https://www.reuters.com/business/healthcare-pharmaceuticals/hazards-ketamine-focus-after-actor-matthew-perrys-2023-overdose-death-2025-12-03/