Serotonin syndrome: Situations of serotonin syndrome, a potentially existence-threatening situation, have been reported throughout concomitant usage of opioids with serotonergic drugs. Anaphylaxis Notify patients that anaphylaxis continues to be documented with ingredients contained in acetaminophen and codeine phosphate tablets. Recommend patients how to recognize such a reaction, an... https://large-directory.com/listings13176592/promethazine-with-codeine-doses-for-adults-an-overview