Conversely , fears about over-prescribing , exaggerated side effects and addiction from opioids are similarly blamed for under - treatment of pain .
As of 2015 , increased rates of recreational use and addiction are attributed to over-prescription of opioid medications and inexpensive illicit heroin .
Fears about over-prescribing , exaggerated side effects and addiction from opioids are similarly blamed for under - treatment of pain .
As of 2015 , increased rates of recreational use and addiction are attributed to over-prescription of opioid medications and inexpensive illicit heroin .