'Can't Buy Me Love' Star Amanda Peterson Died From Acute Morphine Toxicity, Coroner Says

The "Can't Buy Me Love" star had a combination of drugs in her system.

The 43-year-old actress died in July, her mother told ABC News at the time. The former actress' mother, Sylvia, said her daughter's death was "unexpected" and a "big blow."

Peterson's death is being ruled accidental, the coroner's report added, noting that "for unclear reasons it appears that the decedent was attempting to self-medicate her pain at the time of death."

The actress, who was found dead in an apartment complex on July 5, is best known for playing popular high school student Cindy Mancini in the 1987 film, "Can't Buy Me Love."