Butabarbital will lower the level or impact of zaleplon by affecting hepatic/intestinal enzyme CYP3A4 metabolism. Small/Importance Unidentified. butabarbital will decrease the level or result of midazolam by impacting hepatic/intestinal enzyme CYP3A4 metabolism. Use Warning/Keep an eye on. butabarbital will reduce the level or influence of eltrombopag by affecting hepatic enzyme https://lloydi495fcd0.thebindingwiki.com/user