Big Pharmacy Chains Also Fed Off the Opioid Epidemic Stockholders ADDICTED to Profits – May 27, 2020 - • CVS worked with Purdue Pharma, the maker of OxyContin, to offer promotional seminars on pain management to its pharmacists so they could reassure patients ... Read More...Big PharmaDrug Abuse and AddictionJune 2 2020opioid crisisopioids