18 Celebrities Who Died From Overdoses — From Amy Winehouse to Heath Ledger and More

On October 2, 2017, rocker was declared dead following an accidental drug overdose of several medications. He suffered from different health conditions, including injuries, prior to his passing.

According to the medical examiner, Petty had fentanyl, citalopram, oxycodone, acetyl fentanyl and despropionyl fentanyl in his system. They listed the cause as “multisystem organ failure due to resuscitated cardiopulmonary arrest due to mixed drug toxicity” and the manner as “accident.”

Petty was also suffering from emphysema and coronary artery atherosclerosis at the time of his death.