Good evening, from today I am starting the treatment of tonsillitis with Ospen 1000, my question is whether I have contraception when using evra patches or does the antibiotic affect the effect of the patches?
. Thank you
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Klaudia Ćwiąkała Pharmacist, Editor
2 years ago
In my opinion, you have no reason to be concerned about the effectiveness of the Evra patches. There is no scientific evidence that the phenoxymethylpenicillin in Ospen has a negative effect on the effectiveness of transdermal contraception.
We wrote more about which drugs weaken the effectiveness of contraception in the text:
https://www.gdziepolek.pl/artykuly/jakie-leki-oslabiaja-skutecznosc-antykoncepcji