Ranitak works to reduce heartburn with indigestion and reduces heartburn due to eating certain foods and drinks and treats duodenal ulcers, gastric ulcers, esophageal reflux, Zollinger-Ellison syndrome and esophagitis.
Ranitak is a drug that belongs to a group of drugs called histamine 2 blockers, because it prevents histamine from reaching its receptors on the surface of stomach cells, thus reducing the production of stomach acid.