Heath Ledger died of an accidental overdose of painkillers, sleeping pills, anti-anxiety medication and other prescription drugs, the New York City medical examiner said. “The cause of death was acute intoxication by the combined effects of oxycodone, hydrocodone, diazepam, temazepam, alprazolam and doxylamine,” spokeswoman Ellen Borakove said in a statement. The medical examiner’s office only provided generic names, so it is unknown whether he took generic or brand-name drugs. Police had said they found six types of prescription drugs, including sleeping pills and anti-anxiety medication, in Ledger’s apartment. Borakove wouldn’t say what concentrations of each drug were found in Ledger’s blood, or whether one drug played a greater part than another in causing his death.”What youre looking at here is the cumulative effects of these medications together,” she said. The ruling comes two weeks after Ledger was found dead in the bed of his SoHo apartment. Ledger’s family returned to their hometown of Perth, Australia to prepare for his funeral. In a statement released through Ledger’s publicist, his father, Kim, said Wednesday: “While no medications were taken in excess, we learned today the combination of doctor-prescribed drugs proved lethal for our boy. Heaths accidental death serves as a caution to the hidden dangers of combining prescription medication, even at low dosage.”