pentobarbital will minimize the level or effect of ombitasvir/paritaprevir/ritonavir & dasabuvir (DSC) by affecting hepatic/intestinal enzyme CYP3A4 metabolism. Contraindicated. Powerful CYP3A4 inducers may decrease partiaprevir and ritonavir levels, and therefore decreased efficacy of Viekira PakAnticonvulsant use: In convulsive states, dosage of