Tramadol

Definition of tramadol hydrochloride

tramadol hydrochloride

(TRA-muh-dol HY-droh-KLOR-ide)
A drug used to treat moderate to severe pain in adults. It binds to opioid receptors in the central nervous system. Tramadol hydrochloride is a type of analgesic agent and a type of opioid. Also called Ultram.

Source: NCI Dictionary of Cancer Terms