Teva, Purdue and Pfizer line up data for new round of powerful painkillers

Zogenix ($ZGNX) is facing some staunch opposition to its powerful new pain drug, Zohydro. Soon it could be facing some serious competition as well. Teva Pharmaceutical Industries ($TEVA), Purdue Pharmaceuticals and Pfizer ($PFE) are all touting new data on powerful painkillers they are developing. Report