Little Known Facts About Promethazine With Codeine Products For Sale online.
Promethazine has an elimination half-life of 10-fourteen several hours, with excretion of metabolites showing within the urine and feces. The sulfoxides of promethazine and N-demethylpromethazine would be the predominant metabolites appearing in the urine.Phenylephrine hydrochloride analyzed negative inside the in vitro bacterial reverse mutation a