Butabarbital will lessen the extent or outcome of zaleplon by impacting hepatic/intestinal enzyme CYP3A4 metabolism. Insignificant/Significance Unidentified. butabarbital will decrease the level or outcome of glecaprevir/pibrentasvir by affecting hepatic/intestinal enzyme CYP3A4 metabolism. butabarbital will reduce the level or effect of hydrocortisone by affecting hepatic/intestinal ... https://aaronb691def5.homewikia.com/user