What is the cause of foam in stool?

The reasons for foam in stool mainly include the following: First, indigestion, especially lactose intolerance, because lactose cannot be digested and absorbed well in the intestine, it will be continuously decomposed by bacteria such as Escherichia coli, and produce gas, and foam will appear after mixing with intestinal contents. Second, all kinds of intestinal organic diseases, such as chronic enteritis, intestinal polyps, intestinal tumors, etc., will affect the digestion and absorption function of the intestine, so that foam appears in the stool. It is recommended to pay attention to dietary hygiene in the near future to prevent the intake of irritating foods.