Not known Details About Promethazine With Codeine
Promethazine has an elimination fifty percent-lifetime of ten-14 hrs, with excretion of metabolites showing in the urine and feces. The sulfoxides of promethazine and N-demethylpromethazine will be the predominant metabolites appearing inside the urine.Codeine could enhance the neuromuscular blocking action of skeletal muscle relaxants and generate