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Does shampoo with St. John's wort affect the effectiveness of contraceptive pills?
Good morning. I take vibin mini tablets. I also noticed that I have been using herbal shampoo with St. John's wort for a long time. Can this affect the effectiveness of the tablets. There was intercourse and I am afraid that the protection was not preserved.
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Is the shampoo with St. John's wort, if I use it, and I was bathing in the bathtub and it accidentally poured into the bathtub into the water and I also washed my legs, buttocks, between my thighs and also my intimate place
Will this affect the effectiveness of the contraceptive ring?
Katarzyna Domagała Pharmacist
4 years ago
No, shampoo with St. John's wort does not have any effect on the effectiveness of contraceptive pills, since it is a topical preparation that is additionally rinsed with water - it does not penetrate into the blood or into the gastrointestinal tract to be able to affect the action of hormonal contraception. I am attaching a study that may be helpful: https://www.gdziepolek.pl/artykuly/jakie-leki-oslabiaja-skutecznosc-antykoncepcji