pentobarbital will reduce the level or result of stiripentol by impacting hepatic/intestinal enzyme CYP3A4 metabolism. Keep away from or Use Alternate Drug. If not able to stay away from coadministration of stiripentol with robust CYP3A4 inducers, improve stiripentol dose.pentobarbital increases toxicity of ifosfamide by influencing hepatic/intesti