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Discover Supplement-Drug Interactions
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Last Updated: 3 years ago
drug:
Phenytoin
supplement:
Progestins
Research Papers that Mention the Interaction
“Phenobarbital (phenobarbitone), phenytoin , carbamazepine, oxcarbazepine, felbamate and topiramate have been shown to increase the metabolism of ethinylestradiol and progestogens.”
Interactions Between Antiepileptic Drugs and Hormonal Contraception“Some antiepileptic drugs (e.g., phenytoin , phenobarbital, carbamazepine, and paramethadione) may cause more rapid metabolism of the progestin or estrogen component of combined oral contraceptives.”
Epilepsy drugs may reduce method effectiveness.
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