These products are designed to coat the gastric tissues and protect it from the acidity of the stomach or gastric secretions.
Pepto Bismol is made up of mainly Bismuth subsalicylate which has the ability to coat the mucosal surface of the gastric tissues.
Milk of Magnesia contains antacid that helps reduce the acidity of the stomach.
Therefore Pepto Bismol and Milk of Magnesia can be taken when people have an upset stomach.
Learn more about gastric tissues here:
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