Brittany Murphy Brittany Murphy

Brittany Murphy died from pneumonia and prescription drug intoxication, and her death has been ruled an accident, the Los Angeles Coroner's Office told

Murphy was "very sick" with pneumonia and had iron deficiency and anemia at the time of her death, chief coroner Ed Winter said. He said she was treating herself with prescription medications and over-the-counter medications.

Coroner: Brittany Murphy died of natural causes

"Had she gotten to the hospital, she may still be alive," he said.Winter did not specify what types of drugs Murphy took. A full autopsy report with the list of medications will be ready in two weeks.

"Large amounts" of prescription drugs found at Brittany Murphy's home

A large amount of prescription drugs were found in Murphy's bedroom, Winter said. Her husband,

Simon Monjack, has said the majority of drugs were his, and he and Murphy's mother, Sharon, have also denied that Murphy abused drugs.Murphy died Dec. 20 at age 32 after collapsing in her bathroom.