Opioids encompass both prescription and illegal painkillers and include: heroin, natural and synthetic opioids (such as oxycodone, morphine, and hydrocodone), methadone, and other synthetic opioids (such as fentanyl, fentanyl analogs, and tramadol).
Opioids encompass both prescription and illegal painkillers and include: heroin, natural and synthetic opioids (such as oxycodone, morphine, and hydrocodone), methadone, and other synthetic opioids (such as fentanyl, fentanyl analogs, and tramadol).