True statement about dezocine is:
Ref: Goodman and Gilman 10/e p602 *Dezocine is slightly more potent and faster acting opioid than morphine with a similar duration of action. It is a paial agonist antagonist opioid. *It is active at u receptors and side effect are similar to those of morphine. *Dezocine doesn't increase plasma histamine and produces less hypotension than morphine or pentazocine. *Dezocine is effective for moderate to severe pain but can cause myocardial depression.
It is slower acting than morphine
It is less potent than morphine
It acts GABA receptors
It doesn't increase histamine release
Central Nervous system