Hi Toni
This is definitely a question to ask of your doctor or gynecologist.
Here is some information from the Family Planning Council of Pennsylvania:
Do antibiotics affect the pill?
Certain antibiotics can stop the pill from working properly. This can increase your chance of getting pregnant.
Use a back up method, like condoms (male or female), or do not have vaginal sex, while taking the antibiotic and a week after finishing the antibiotics.
My best suggestion is to contact your doctor or pharmacist with your question.
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