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A member asked:
I am taking metronidazole. i started my period yesterday and the color is really dark almost black. is this normal?
A doctor has provided 1 answer
Metronidazole.: Metronidazole can darken urine but I am uncertain about effects on color of menstrual blood. The color of menstrual blood is usually of no- significance clinically. Brown to dark blood may be deoxygenated,
Answered 11/19/2020
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