Hypersensitivity to barbiturates or any ingredient on the formulation; ; background of manifest or latent porphyria butabarbital will lessen the extent or impact of fosphenytoin by impacting hepatic enzyme CYP2C9/ten metabolism. Use Warning/Keep an eye on. butabarbital will lower the extent or result of ramelteon by affecting hepatic/intestinal enzyme CYP3A4 https://andrewv110fnt8.win-blog.com/profile