Hello doctor, I am using OCP Crisanta 21 for the last six months. Two weeks back, I went for a tooth extraction. So, I took antibiotic Magniclav 625 mg for five days. I had two tablets a day from 15th to 20th of last month. I started my current Crisanta pack on the 16th of last month. My question is can the antibiotic reduce the efficacy of oral contraceptive? If yes, then what is the solution? After how many days of last antibiotic should I need to take birth control pill? Can I solely rely on the contraceptive pill? Or is backup method required? Please explain.
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