zurcal tablets for heartburn, acidity and esophageal reflux. zurcal tablets are used to relieve stomach inflammation or esophageal reflux. zurcal works to reduce the secretion of stomach acid, thus treating cases of esophageal reflux or stomach acidity. zurcal is composed of pantoprazole in concentrations of 20 or 40 mg, which works to stop the secretion of stomach acid.