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Discover Supplement-Drug Interactions

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Last Updated: 2 months ago

Possible Interaction: Ethinyl Estradiol and St John's Wort

Research Papers that Mention the Interaction

…St John's wort was associated with a significant (P <.05) increase in the oral clearance of norethindrone (8.2 +/- 2.… 9.5 +/- 3.4 L/h, P =.042) and a significant reduction in the half-life of ethinyl estradiol (23.4 +/- 19.5 hours ….1 hours, P =.023).
Clinical pharmacology and therapeutics  •  2003  |  View Paper