Butabarbital will decrease the level or result of sulfamethoxazole by affecting hepatic enzyme CYP2C9/ten metabolism. Minor/Importance Unfamiliar. butabarbital will lessen the level or result of estrogens esterified by affecting hepatic/intestinal enzyme CYP3A4 metabolism. Use Caution/Keep track of. close Make sure you validate that you want to Sign off of Medscape. https://billn135oqr9.blogdeazar.com/profile