1 doctor weighed in:

Can Zantac affect stool? Stool appeared dark, but I wouldn't say black or tarry.

1 doctor weighed in
Dr. Euton Laing
Family Medicine

In brief: Usually not

Zantac usually does not affect the color of stool.
It may cause slightly looser stools. If you are taking Zantac for problems with stomach and you are having dark stools need to checked by a gastroenterology doctor yo rule out an ulcer

In brief: Usually not

Zantac usually does not affect the color of stool.
It may cause slightly looser stools. If you are taking Zantac for problems with stomach and you are having dark stools need to checked by a gastroenterology doctor yo rule out an ulcer
Dr. Euton Laing
Dr. Euton Laing
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