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Dr. Andrew Rynne
MD
Dr. Andrew Rynne

Family Physician

Exp 50 years

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Does Antibiotics Effect The Work Of Contraceptive Pill?

I am taking Tetralysal for my acne and also taking Cerazette the mini pill, i need the pill to work as a contraceptive but does the antibiotics affect this? Also i have got small patches of skin rashing on my face and i started both around the same time, is it more likely the antibiotics caused this?
Tue, 21 Apr 2020
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General & Family Physician,  's  Response
Hi,

Tetralysal is a tetracycline antibiotic commonly prescribed to treat acne (pimples). Its common side effects include vomiting, stomach upset, diarrhea, headache and photosensitivity (phototoxic) of the skin.

It does not reduce the efficacy of mini pill which is actually a progesterone-only pill.

However, if you experience vomiting or diarrhea while taking tetralysal this can potentially make your pill less effective at preventing pregnancy.

Yes, the facial rash appears to be due to phototoxic effects of this antibiotic.

Hope I have answered your query. Let me know if I can assist you further.

Take care

Regards,
Dr. Mohammed Taher Ali
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Does Antibiotics Effect The Work Of Contraceptive Pill?

Hi, Tetralysal is a tetracycline antibiotic commonly prescribed to treat acne (pimples). Its common side effects include vomiting, stomach upset, diarrhea, headache and photosensitivity (phototoxic) of the skin. It does not reduce the efficacy of mini pill which is actually a progesterone-only pill. However, if you experience vomiting or diarrhea while taking tetralysal this can potentially make your pill less effective at preventing pregnancy. Yes, the facial rash appears to be due to phototoxic effects of this antibiotic. Hope I have answered your query. Let me know if I can assist you further. Take care Regards, Dr. Mohammed Taher Ali