Pentobarbital will reduce the level or result of lumefantrine by impacting hepatic/intestinal enzyme CYP3A4 metabolism. Contraindicated. Coadministration with potent CYP3A4 inducers can result in lowered serum concentrations and lack of antimalarial efficacy pentobarbital will lessen the level or influence of tamoxifen by impacting hepatic/intestinal enzyme CYP3A4 metabolism. Use Warn... https://collinvyacf.muzwiki.com/user