Historically 'safer' tramadol more likely than other opioids to result
https://newsnetwork.mayoclinic.org/discussion/historically-safer-tramadol-more-likely-than-other-opioids-to-result-in-prolonged-use/
WebMay 14, 2019 · However, the Drug Enforcement Administration (DEA) classifies tramadol as a Schedule IV controlled substance, meaning it's considered to have a lower risk of addiction and abuse than Schedule II opioids, such as oxycodone and hydrocodone. The study was published on Tuesday, May 14 in The BMJ.
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