Patients who are ultra-speedy metabolizers of codeine as a consequence of a CYP450 2D6 polymorphism, will change codeine extra rapidly and absolutely to morphine resulting in unexpectedly substantial morphine ranges, which may be everyday living-threatening. Explain to your health care provider If you're Expecting or Feel you might be pregnant. https://promethazinewithcodeinefo81344.tusblogos.com/27920211/top-guidelines-of-promethazine-with-codeine