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.
SIDE EFFECTS: Dark brown or black stools are common with use of bismuth subsalicylate. Tongue discoloration and constipation also may occur. Other side effects associated with bismuth subsalicylate include: 1  anxiety, 2  confusion, 3  depression, 4  headache, 5  slurred speech, 6  muscle spasms,
Quick Answer. Pepto-Bismol sometimes turns stool black when its active ingredient, bismuth subsalicylate, reacts with sulfur in the intestinal tract to form bismuth sulfide. The change in stool color caused by Pepto-Bismol isn't harmful, but a doctor should be consulted if it is accompanied by vomiting, diarrhea or stomach pain, states About.com.