| No foul play had been suspected, and toxicology results showed only a minimal amount of hydrocodone in his system. |
| Zohydro is a new, government-approved, ultra-pure form of the commonly used opioid painkiller, hydrocodone. |
| Whether Ryan was self-medicating with hydrocodone or using it hedonistically is unclear. |
| The researchers compared five different opioid drugs, using hydrocodone as the reference medicine among 31,375 Medicare patients. |
| Pain medications include IV morphine sulphate, oral oxycodone hydrochloride, and hydrocodone bitartrate with acetaminophen. |
| Panel of experts recommends restricting access to painkillers containing hydrocodone. |
