Rantac MPS Suspension is used for Indigestion, Heartburn, Gas, Digestive problems, Esophageal mucosal injury, Excessive acid secretion, Painful pressure, Hiccups, Swelling in the abdomen and other conditions. Rantac MPS Suspension may also be used for purposes not listed in this medication guide. Rantac MPS Suspension contains Magaldrate and Simethicone as Active ingredients. Rantac MPS Suspension works by neutralizing the existing acid in stomach; acting on inner lining of intestine and allowing gas bubbles to come together;