Among adults aged 18 years and older, 31 percent used prescription opioids only as prescribed by a physician medically and 4 percent misused them. Thus, the overwhelming majority (88 percent) of all past-12-month prescription opioid users used the drugs for medical purposes only.
Hazardous patterns of prescription opioid misuse in the US
Among adults aged 18 years and older, 31 percent used prescription opioids only as prescribed by a physician medically and 4 percent misused them. Thus, the overwhelming majority (88 percent) of all past-12-month prescription opioid users used the drugs for medical purposes only.