Bottles of prescription painkiller Oxycodone Hydrochloride, 30mg pills, made by

FILE PHOTO: Bottles of prescription painkiller Oxycodone Hydrochloride, 30mg pills, made by Mallinckrodt sit on a shelf at a local pharmacy, in Provo, Utah, U.S., April 25, 2017. REUTERS/George Frey/File Photo