A little over a month after her unexpected passing, Anne Burrell‘s death has been ruled a suicide. The New York City medical examiner’s office has determined that the 55-year-old Food Network star’s cause of death was from “acute intoxication due to the combined effects of diphenhydramine,

"Cause of death: Acute intoxication due to the combined effects of diphenhydramine, ethanol, cetirizine, and amphetamine," the office told Newsweek Thursday in an emailed statement.