The Ultimate Guide To Promethazine codeine syrup
Codeine and its salts are very well absorbed next both equally oral and parenteral administration. Codeine is about ⅔ as successful orally as parenterally. Codeine is metabolized largely in the liver by enzymes of the endoplasmic reticulum, where it undergoes O-demethylation, N-demethylation, and partial conjugation with glucuronic acid.Promethaz