Promethazine HCl 12.5mg+, 25mg+, 50mg; tabs; +scored. Motion sickness: 25mg 30–60mins before travel; may repeat in 8–12hrs; maintenance 25mg twice daily. Perioperative nausea & vomiting: 25mg ...

Promethazine HCl 12.5mg, 25mg, 50mg. Motion sickness: 25mg 30–60mins before travel; may repeat in 8–12hrs; maintenance 25mg twice daily. Perioperative nausea & vomiting: 25mg; may give additio ...

The pharmacokinetics of promethazine hydrochloride after administration of rectal suppositories at three dosage strengths ... two 12.5-mg promethazine rectal suppositories, one 25-mg suppository ...

Absorption of promethazine from the rectal suppositories resulted in a mean 16% lower bioavailability compared with the 50-mg oral syrup. The syrup also resulted in an earlier and higher C max and ...