That movie is expected to arrive in fall 2015, but in the meantime, we're celebrating Christmas Vacation.. In honor of the holiday classic's 25th anniversary, we're catching up with where the cast is now in the gallery above.
It turns out that the active ingredient in Pepto-Bismol (bismuth subsalicylate) contains a chemical called bismuth. When a small amount of bismuth combines with trace amounts of sulfur, a black-colored substance (bismuth sulfide) is formed.
Best Answer: Yes, Pepto Bismol is a very common cause of black-colored stool. http://ibdcrohns.about.com/cs/otherdisea... Pepto bismol is the name gaiven to Bismuth subsalycylate which is given to normal abdominal disorders.