Using opioids again after withdrawal can be especially dangerous.
Matthew Perry's live-in personal assistant, who injected him with the fatal dose of ketamine, was sentenced Wednesday to three years and five months in prison.
Three people are dead and more than a dozen first responders were quarantined and being treated Wednesday for exposure to an unidentified substance.
A licensed drug addiction counselor was sentenced Wednesday to 24 months in prison for helping supply the ketamine that killed Matthew Perry.
A jury found Derek Rayo, 29, and Kelly Richardson, 31, responsible for the 2023 death of Winter Rayo by leaving the toddler in a room with fentanyl and methamphetamine.
The Matthew Perry Foundation works to destigmatize addiction and aid in recovery from substance abuse.