Tramadol vs. Demerol: What's the Difference?
Tramadol and Demerol Definitions
A synthetic analgesic, C16H25NO2, used in its hydrochloride form to treat moderate to moderately severe pain. It is structurally similar to codeine and has both opioid and nonopioid effects.
A synthetic narcotic drug (trade name Demerol) used to treat pain
(pharmaceutical drug) A synthetic opioid analgesic administered orally in the form of its hydrochloride C16H25NO2·HCl to treat moderate to severe pain.