As this page from the eMedTV Web site explains, the half-life of Phenergan is approximately 10 to 19 hours. This means that the medication will be mostly out of your. Medscape - Cough dosing for promethazine/codeine, frequency-based adverse effects, comprehensive interactions, contraindications, pregnancy & lactation schedules, and. TODAY OFFER Only 0.35 per pill. Promethazine - promethazine half life, buy promethazine online, promethazine price
Promethazine - Wikipedia
Biological half-life 16–19 hours Excretion Renal and biliary. Promethazine is a neuroleptic medication and first-generation antihistamine of the. Professional guide for Promethazine Hydrochloride. chiefly as metabolites. The half-life is approximately. Promethazine plasma levels may.