An investigation began in February into the sale and distribution of large amounts of cocaine, marijuana and other drugs in ...

A synthetic derivative of oxymorphone, naloxone antagonizes the pharmacologic effects of opioid analgesics. [5] It competitively antagonizes all opioid-receptor sites, including the μ, κ, and δ ...

Learn about assessment and treatment that can make managing pain in opioid abusers more effective.