Deaths from oxycodone overdoses fell sharply in Florida after the state cracked down on pain clinics and implemented dispensing restrictions. Robin Nelson/Zumapress/Corbis hide caption

itoggle caption Robin Nelson/Zumapress/Corbis

Morphine and oxycodone (the active ingredient in Oxycontin) are strong narcotic pain relievers on their own. Moxduo, a drug now up for FDA approval, would combine morphine and oxycodone in a single capsule. Rich Pedroncelli/AP hide caption

itoggle caption Rich Pedroncelli/AP

The number of babies born with neonatal abstinence syndrome is rising in Tennessee, and lawmakers want to try a punitive approach. Katie Collins/PA Photos/Landov hide caption

itoggle caption Katie Collins/PA Photos/Landov

Opana is the latest painkiller that's become popular with drug abusers. Thomas Walker/Flickr hide caption

itoggle caption Thomas Walker/Flickr