rifampin will lessen the level or impact of modafinil by influencing hepatic/intestinal enzyme CYP3A4 metabolism. Minor/Importance Not known. Doses as much as 400 mg/working day, given as one dose, have already been perfectly tolerated, but there's no constant proof that this dose confers added reward further than that from https://modafinil00875.get-blogging.com/26575476/getting-my-modafinil-to-work