Pentobarbital will lower the level or result of pimavanserin by impacting hepatic/intestinal enzyme CYP3A4 metabolism. Use Warning/Check. Stay away from coadministration if possible. Observe for decreased pimavanserin efficacy. An increase in pimavanserin dosage may be wanted. pentobarbital will lower the level or outcome of bortezomib by impacting hepatic/intestinal enzyme CYP3A4 https://keithu119ldp6.wizzardsblog.com/profile