THE ULTIMATE GUIDE TO ACETAMINOPHEN/CODEINE

celecoxib decreases effects of codeine by affecting hepatic enzyme CYP2D6 metabolism. Use Caution/Monitor. Helps prevent conversion of codeine to its Lively metabolite morphine.citalopram and promethazine the two raise serotonin amounts. Use Warning/Check. Mixture may enhance risk of serotonin syndrome or neuroleptic malignant syndrome-like reactio