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 ...
Headache, nausea, vomiting ... Promethazine concentration-versus-time curves for two 12.5-mg promethazine suppositories (A), one 25-mg promethazine suppository (B), one 50-mg promethazine ...
25 mg rectal suppository bid; maximum dose is 40 mg/day Sedation, anticholinergic effects, mouth, EPS, hypotension if given IV too quickly C Promethazine (Phenergan) 12.5–25 mg q 4–6 h PO/IM ...
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