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My stool was a greenish blue color being half runny half hard. I drank a blue Powerade yesterday but it has never caused this before. Along with that ?

3 doctors weighed in
Dr. Allen Meglin
Radiology - Interventional
2 doctors agree

In brief: Color from food dye

the color of your stool is the result of the food you ingested.
nothing in the body causes blue colors. blue dye is used in medicine for this reason. blue is used to see areas for surgery because nothing in the body is blue (although veins look this way, they are not blue). check your stool again in a few days without eating anything with blue dye.

In brief: Color from food dye

the color of your stool is the result of the food you ingested.
nothing in the body causes blue colors. blue dye is used in medicine for this reason. blue is used to see areas for surgery because nothing in the body is blue (although veins look this way, they are not blue). check your stool again in a few days without eating anything with blue dye.
Dr. Allen Meglin
Dr. Allen Meglin
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