In its latest move to address the ongoing opioid addiction epidemic, Independence Blue Cross said Tuesday it is removing member cost sharing — effective March 1 — for injectable and nasal spray formulations of naloxone. Naloxone blocks the effects of opioids and reverses an overdose when administered in time. This drug – well-known as brand name Narcan, though it is also sold under other names – has been available in Pennsylvania without a written prescription, since October 2015, due to…