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Drug-drug interactions between psychotropic medications and oral contraceptives.

Georgios SchoretsanitisKristina M DeligiannidisMichael PaulzenEdoardo SpinaJose De Leon
Published in: Expert opinion on drug metabolism & toxicology (2022)
Women taking antiepileptic agents with strong to moderate enzyme-inducing properties (carbamazepine, phenobarbital, phenytoin) or those with moderate to mild enzyme-inducing properties (cenobamate, clobazam, eslicarbazepine, felbamate, oxcarbazepine, rufinamide, topiramate) should avoid OCs. Daily doses of cytochrome P450 1A2 substrates including clozapine may need to be reduced by 50% in women taking concomitant CHCs. Compared to CHCs, the propensity of progestin-only pills for DDIs has been investigated less. We provide a summary table for clinicians containing recommendations based on literature and package inserts; whenever evidence was available, we provided dose-correction factors.
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