Pentobarbital will lower the level or effect of diltiazem by impacting hepatic/intestinal enzyme CYP3A4 metabolism. Use Warning/Watch. pentobarbital will minimize the extent or outcome of pimavanserin by influencing hepatic/intestinal enzyme CYP3A4 metabolism. Use Warning/Monitor. Prevent coadministration if at all possible. Check for lowered pimavanserin efficacy. A rise in pimavanse... https://sodiumpentobarbitalsds07295.worldblogged.com/27574391/the-ultimate-guide-to-pentobarbital-sodium-use