Heath Ledger's Drug Interactions

According to the Chief Medical Examiner of New York, Heath Ledger “died as the result of acute intoxication by the combined effects of oxycodone (Percocet), hydrocodone (Vicodin), diazepam (Valium), temazepam (Restoril), alprazolam (Xanax), and doxylamine (Unisom).”
To illustrate why he died, the following is a list of potential drug interactions from Epocrates, an online drug database. Everything interacted with everything else:
1. diazepam oxycodone
caution advised, especially…
