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Amoxicillin causing irregular periods ?

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Can Amoxicilian 875 MG be a cause of irregular menstral periods? Such as lasting longer than normal.

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replied December 8th, 2010
Menstruation Answer A17639
Welcome to ehealthforum.
Antibiotics are known to affect the ovulation and the efficacy of birth control pills. However there is no study to show elation between high doses of antibiotic and menstrual periods pattern. Watch your period pattern for 2-3 months after you finish with the antibiotic course.
If the bleeding is heavy and with clots and lasting more than 10 days, then you should consider getting an evaluation done by your gynecologist to rule out any anormalities.
Take care.

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