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Discover Supplement-Drug Interactions
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Last Updated: 2 months ago
drug:
Ethinyl Estradiol
supplement:
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).”
The interaction between St John's wort and an oral contraceptive
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