Coadministration with compounds that are potent inducers of CYP3A4 (eg, phenobarbital, phenytoin, dexamethasone, carbamazepine) may result in decreased plasma levels of saquinavir.
<phenobarbital, mechanism, saquinavir>, <phenytoin, mechanism, saquinavir>, <dexamethasone, mechanism, saquinavir>, <carbamazepine, mechanism, saquinavir>