what does lansoprazole treat
Uses of This Medicine. Lansoprazole is used to treat certain conditions where there is too much acid in the stomach. It is used to treat duodenal and gastric ulcers, gastric ulcers caused by NSAID use, erosive esophagitis, and gastroesophageal reflux disease (GERD).ometimes lansoprazole is used in combination with antibiotics (eg, amoxicillin, clarithromycin) to treat ulcers associated with an infection caused by H pylori bacteria. Lansoprazole is also used to treat Zollinger Ellison syndrome (ZES), which is a condition where the stomach produces too much acid.