Butabarbital will increase toxicity of methoxyflurane by escalating metabolism. Contraindicated. Elevated metabolism of methoxyflurane to nephrotoxic compounds. butabarbital will lower the extent or result of fosphenytoin by influencing hepatic enzyme CYP2C9/10 metabolism. Use Warning/Monitor. butabarbital will minimize the extent or impact of eltrombopag by influencing hepatic enzyme... https://jimf764tbg2.laowaiblog.com/profile