Butabarbital will lower the level or result of nicardipine by affecting hepatic/intestinal enzyme CYP3A4 metabolism. Use Caution/Check. butabarbital will lower the extent or result of sufentanil by influencing hepatic/intestinal enzyme CYP3A4 metabolism. Minimal/Significance Unfamiliar. butabarbital will lessen the level or result of cannabidiol by impacting hepatic/intestinal enzyme ... https://danielr098bht8.wikicarrier.com/user