Butabarbital will lessen the level or outcome of zaleplon by affecting hepatic/intestinal enzyme CYP3A4 metabolism. Minimal/Significance Not known. butabarbital will lessen the extent or effect of midazolam by influencing hepatic/intestinal enzyme CYP3A4 metabolism. Use Warning/Watch. Butabarbital belongs into the team of medicines called barbiturates. They act inside the central nervous https://billl913knp8.wikicommunications.com/user