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A member asked:

i have been on nitrofurotoin for cystitis for 3 days. i came on my period as normal but it is brown and very light which is unusual. i am not pregnant?

1 doctor answer2 doctors weighed in
Dr. Martin Raff
Infectious Disease 56 years experience
Irregular menses: Any time there is a disturbance in your hormones due to infection, anxiety and other factors your periods may be altered. The brown discharge sounds like old blood. If this persists with future periods you might want to be checked by your GYN.

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Last updated Feb 10, 2016

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