A 47-year-old member asked:
Do iron supplements cause black tarry stools?
1 doctor answer • 2 doctors weighed in

Dr. Michael Teitelbaumanswered
Dentistry 34 years experience
Usually: You shoud check with an md, because it could be something serious, but yes, it can be from iron.
Created for people with ongoing healthcare needs but benefits everyone.
5.7k viewsReviewed >2 years ago
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Philippines
A 19-year-old female asked:
Lately i've been taking iron supplements, is it normal to have black stool?
1 doctor answer • 3 doctors weighed in

Dr. David Drewitzanswered
Gastroenterology 29 years experience
Yes...: Oral iron supplements commonly cause stools to become black.
Created for people with ongoing healthcare needs but benefits everyone.
5.3k viewsReviewed >2 years ago
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 7, 2019
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