 In December 1998, she entered the Thalians Mental Health Department at Cedars-Sinai Medical Center for detoxification.O'Grady died in her mobile home in Valencia, Santa Clarita, California, at age 46 on September 25, 2001.An autopsy revealed toxic levels of the painkiller Vicodin and antidepressant Prozac in her bloodstream, and the Los Angeles County Coroner's office said she died of "multiple drug intoxication," although the coroner was unable to determine if her death was an accident or suicide.