matthew perry
Matthew Perry poses for a portrait in 2014.
  • The LA county coroner ruled Matthew Perry's death an accident caused by acute effects of ketamine.
  • Ketamine has increased in popularity recently as a treatment for depression.
  • Perry's death highlights the fact that the drug can also be dangerous when misused.

Matthew Perry was open about his struggles with addiction and mental health, but according to Los Angeles County Coroner's Office, a potential misuse of one of the drugs that he also used for treatment contributed to his death: ketamine.