Indicated for over-the-counter use as an antacid. Bismuth subnitrate acts as an antacid that exert protective effects on the gastric mucosa 1. In a double-blind endoscopically controlled study, bismuth substrate was demonstrated to be effective for symptomatic relief in duodenal ulcers 2.
How does bismuth work for H pylori?
Bismuth exerts direct bactericidal effect on Helicobacter pylori by different ways: forms complexes in the bacterial wall and periplasmic space, inhibits different enzymes, ATP synthesis, and adherence of the bacteria to the gastric mucosa.
How does bismuth salicylate work?
Bismuth subsalicylate is in a class of medications called antidiarrheal agents. It works by decreasing the flow of fluids and electrolytes into the bowel, reduces inflammation within the intestine, and may kill the organisms that can cause diarrhea.