Colesevelam is not usually used to treat bile reflux gastritis, not for the treatment of bile reflux gastritis, bile reflux gastritis should be treated as soon as possible symptomatic treatment. Colesevelam is the name of a drug that is usually used for the treatment of atherosclerosis and cirrhosis of the liver, as well as for cholelithiasis. Prolonged use of the drug is likely to result in a significant decrease in the binding of bile salts in the intestine, and also lead to fat malabsorption. Bile reflux gastritis can lead to abdominal pain and bloating, accompanied by nausea and vomiting, and can be treated with oral medications to neutralize gastric acid or anti-reflux medications, such as magnesium alumina carbonate, morpholine, and mosapride, under the direction of a doctor.