The grass is not always greener: a multi-institutional pilot study of marijuana use and acute pain management following traumatic injury

Average total daily opioid analgesics consumed, by marijuana (MJ) use in a non-drug users and b drug users (amphetamines, barbiturates, benzodiazepines, cocaine, opiates, PCP, or methamphetamine). Opioids were converted to be equianalgesic to 1 mg hydromorphon