Coroner: Numerous drugs found in Whitney Houston's system
Numerous drugs were found in Whitney Houston's body, but only cocaine was one of the contributing factors to her death, according to the Los Angeles County coroner's office.
The coroner's office ruled that the final cause of Houston's death was accidental drowning, but noted that cocaine use and heart disease were contributing factors.
Toxicology tests, however, showed a cocktail of drugs in the pop star's system. Traces of marijuana, Xanax, Flexeril and Benadryl were also found, but officials concluded those drugs did not contribute to her death.
PHOTOS: Whitney Houston, 1963-2012
Whitney Houston died as the result of drowning in what the Los Angeles County coroner has ruled as an accidental death. The coroner said heart disease and cocaine use were also factors in her death last month.
The ruling ends weeks of speculation over how the pop star died. A full autopsy report is expected in two weeks.
Houston had a long history of drug addiction.
A couple days before she died, Houston drew the attention of reporters and security staff with her erratic behavior, dripping sweat and disheveled clothes. The singer was disruptive at that day's rehearsals for music mogul Clive Davis' annual Grammy industry party and showcase; that party at the Hilton on Saturday night was supposed to include a performance by Houston.
Investigators have served subpoenas on doctors and pharmacies as they try to determine whether prescription drugs played a role in the singer's death.
Authorities collected several bottles of prescription medications from Houston's suite. But officials have said the amounts of drugs did not seem unusually large, leaving it unclear whether the medications had anything to do with her death.
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