Use of cytochrome P450 3A4 inducers, 3A4 inhibitors, or 2D6 inhibitors with Promethazine with Codeine Oral Option necessitates very careful thing to consider of the effects about the father or mother drug, codeine, and the active metabolite, morphine.Promethazine is nicely absorbed within the gastrointestinal tract. Medical results are obvious with… Read More