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Knickers_in_a_twist_ t1_j26ycet wrote

Reply to comment by Im_InYour_Balls in TIFU, might have colon cancer by Im_InYour_Balls

I can’t believe in mentioning this on reddit for the third time in just as many days, but if you ever notice black poop after taking some pepto bismol (you mention of bowl movement issues brought this to mind) don’t have a huge freak out. The bismuth in pepto can turn some of your poop black.

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Im_InYour_Balls OP t1_j27kyib wrote

I haven’t black stool or pepto bismol ever. Just black specks in stool and on toilet paper.

Isn’t pepto bismol supposed to be good for the stomach??

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Lumpy-Ad-3201 t1_j291rys wrote

Pepto is composed of pink bismuth, and even though it works, doctors aren't completely sure exactly why. They have some strong theories that make sense medically, but the exact mechanism isn't known. When you digest it, your body breaks it down to bismuth and other things. Since bismuth is essentially inert in the digestive system, it gets moved out as what it is: ultra-fine particles of a dull grey metal.

It makes poops turn grey or black, in some cases. Totally normal.

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