is promethazine opiate analgesic
Potentiation of narcotic analgesics with phenothiazines have been used for preoperative and postoperative analgesia for a number of years by the podiatric community.The agents most frequently cited in studies are the combination of meperidine with either the phenothiazines chlorpromazine, trimeprazine, or promethazine.otentiation of narcotic analgesics with phenothiazines have been used for preoperative and postoperative analgesia for a number of years by the podiatric community.