Rumored Buzz on Promethazine codeine syrup
Codeine and its salts are very well absorbed subsequent equally oral and parenteral administration. Codeine is about ⅔ as effective orally as parenterally. Codeine is metabolized largely while in the liver by enzymes from the endoplasmic reticulum, exactly where it undergoes O-demethylation, N-demethylation, and partial conjugation with glucuroni