- High-strength painkiller sparks addiction concerns: A new prescription painkiller currently in development has stoked fears among addiction experts, due to its high concentration of a substance already known to be hyper-addictive. Zohydro, a new medication for which pharmaceutical company Zogenix plans to apply for FDA approval to sell sometime early next year, contains ten times the amount of hydrocodone as Vicodin does — one of the most abused drugs in the United States. Said April Rovero, of the National Coalition Against Prescription Drug Abuse: “I have a big concern that this could be the next OxyContin. We just don’t need this on the market.” (photo by The Javorac on Flickr) source