Butabarbital will lessen the extent or impact of nitrendipine by affecting hepatic/intestinal enzyme CYP3A4 metabolism. Slight/Importance Unfamiliar. butabarbital will reduce the extent or effect of levamlodipine by impacting hepatic/intestinal enzyme CYP3A4 metabolism. butabarbital will reduce the level or influence of hydrocortisone by impacting hepatic/intestinal enzyme CYP3A4 meta... https://janeo229add1.blogmazing.com/profile