www.drugs.com/medical-answers/opioids-affect-brain-3564739/
..., Duragesic , Fentora , Lazanda , Subsys ) hydrocodone ( Hysingla ER , Zohydro ER ) hydromorphone ( Dilaudid ) morphine ( Kadian , MS Contin ) oxycodone ( Oxaydo , OxyContin , Roxicodone , Xtampza ER ) oxymorphone tapentadol ( Nucynta ) tramadol ( Conzip , Ultram ) In addition to treating pain, opioids are...