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 ...

Promethazine concentration-versus-time curves for two 12.5-mg promethazine suppositories (A), one 25-mg promethazine suppository (B), one 50-mg promethazine suppository (C), and 50 mg (10 mL ...