A 18-year-old female asked:
How long does it take metformin 500 mg to regulate a period? ive been on it once a day for a week now & have nothing but spotting. is this normal?
1 doctor answer • 1 doctor weighed in
Emergency Medicine 21 years experience
Unusual choice: Metformin is a very unusual choice to control a menstrual cycle. Are you sure you are getting the right medication or that is really the reason it was prescribed? It's typically prescribed for diabetes control. You may want to check with your provider and/or pharmacist to ensure this isn't medication error.
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2.2k viewsAnswered >2 years ago
Last updated Oct 8, 2015
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