<unk>  reduced the effectiveness of levonorgestrel oral contraceptives by about 40%. Other antieptilectic drugs that induce cytochrome P450, including carbamazepine, phenytoin, and oxcarbazepine decrease the effectiveness of<unk>  by 50-67%. Use of<unk>  with strong CYP3A inducers like rifampin or St. John's wort is not recommended. Use of<unk>  with CNS depressants like alcohol may increase the effect of the CNS depressant.
Perampanel
Glybuzole
Glysobuzole
Methocarbamol
Tirapazamine
Milnacipran
Carbidopa
Tezacaftor