Codeine and its Lively metabolite, morphine, are existing in breast milk. A research of the professional medical literature1-19 for suitable data regarding codeine use during lactation uncovered several studies of respiratory despair and sedation, such as 1 infant Loss of life, particularly in moms who have the CYP2D6ultra-swift metabolizer genotype. https://wockusa.com/product/fentanyl-powder/