Hi,I am Dr. Shanthi.E (General & Family Physician). I will be looking into your question and guiding you through the process. Please write your question below.
What Causes Diarrhea While On Vitamin B12 Supplement?
Last night I had BLACK diarrhea that came out of nowhere. No stomach ache or pain. This morning, more normal stool, however still black. I ve not ate anything dark & have no stomach discomfort. I started taking a B12 supplement this week (1xaday), could that be the culprit? FYI - I am a 3 year Breast cancer survivor.
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What Causes Diarrhea While On Vitamin B12 Supplement?
Hi, Black stool indicates internal bleeding somewhere in the gastrointestinal tract. Consult a gastroenterologist and get evaluated. You have to get a CT scan and an endoscopy to evaluate the bleeding. Hope I have answered your query. Let me know if I can assist you further. Regards, Dr. Shinas Hussain, General & Family Physician