Pasadena, CA
A 28-year-old female asked:
I was on 65mg iron supplements and had black stool. suddenly my stool is no longer black. does that mean i am no longer absorbing it all & take more?
1 doctor answer • 1 doctor weighed in

Dr. Michael Dansieanswered
Family Medicine 18 years experience
No: Black stools are a normal adverse effect from taking iron. Better if you can get retested for anemia to see if the oral iron has helped before stopping it abruptly.
Created for people with ongoing healthcare needs but benefits everyone.
5.5k viewsAnswered >2 years ago
Similar questions
A 49-year-old member asked:
Help, I have black stool, but I do take iron supplements, should I be worried?
1 doctor answer • 7 doctors weighed in

Dr. Glenn Messinaanswered
Aesthetic Medicine 37 years experience
Check up: Iron will cause black stools which is likely to be the culprit here. But at 49 you are ready for your first colonoscopy so I would see your MD and discuss this with them . A simple test will rule out blood in the stool but since you are just about due for a GI workup ...
Created for people with ongoing healthcare needs but benefits everyone.
3.9k viewsReviewed >2 years ago
Last updated Jun 1, 2018
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