Butabarbital will lessen the extent or impact of sulfamethoxazole by impacting hepatic enzyme CYP2C9/ten metabolism. Slight/Significance Unidentified. butabarbital will lessen the extent or impact of estrogens esterified by affecting hepatic/intestinal enzyme CYP3A4 metabolism. Use Warning/Watch. butabarbital will reduce the extent or effect of alprazolam by influencing hepatic/intest... https://carolynm876ygn5.webdesign96.com/profile