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1717039 tn?1308891770

Do these pills decrease the effectiveness of my birth control?

I have PCOS which I am taking Metformin and an antidepressant (Citalopram) for. I am also taking vitamin D for a deficiency. Do any of these medications decrease the effectiveness of my birth control pill (Zarah)?
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Avatar universal
No, these will not interact with your BCP. As mentioned by ssuddarth, some antibiotics (most notably penicillins and tetracyclines) can decrease the effectiveness. Also, some anti-seizure medicines (sometimes also used for moods and/or migraines) can interact - so be sure to ask your pharmacist anytime you get new medicines. :0)
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Avatar universal
None of those effect BCPs. Now if you were to take an antibiotic, yes it would lower the effectiveness of your BCPs.
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