One, seven.2) ]. Challenges of Concomitant Use or Discontinuation of Cytochrome P450 2D6 Inhibitors The concomitant utilization of Promethazine with Codeine Oral Resolution with all cytochrome P450 2D6 inhibitors (eg., amiodarone, quinidine) might end in a rise in codeine plasma concentrations and a reduce in Energetic metabolite morphine plasma concentration https://charlieyaayy.ambien-blog.com/33119531/the-smart-trick-of-promethazine-codeine-that-no-one-is-discussing