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.
Pepto Bismol = Black Stool? I had the flu a couple of days ago and which during I had taken some pepto bismol. Two days later, (after taking the pepto) I had a very dark stool. (first bowl movement I had since I was sick). Today, (3 days from first mentioned stool) I had another black stool. It also looks like it had a moldy-fuzz substance on... show more I had the flu a couple of days ago and which during I had taken some pepto bismol.