Promethazine is metabolized from the liver to a number of compounds; the sulfoxides of promethazine and N-demethylpromethazine are definitely the predominant metabolites appearing while in the urine. Promethazine is nicely absorbed with the gastrointestinal tract. Clinical effects are evident within twenty minutes right after oral administration and usually last four https://wockusa.com/product/akorn-promethazine-hydrochloride-and-codeine-phosphate-solution/