Ranitidine is used to treat and prevent ulcers in the stomach and intestines. It is also used to treat conditions in which the stomach produces too much acid, such as Zollinger-Ellison syndrome. The makers of Zantac, a popular over-the-counter and prescription heartburn medication, are facing a Zantac class-action lawsuit claiming the drug contains unsafe levels of the cancer-causing substance N-Nitrosodimethylamine (NDMA). Shop Zantac 360 Maximum Strength Heartburn Relief Tablets and read reviews at Walgreens. Pickup & Same Day Delivery available on most store items. This Summer, Heartburn Doesn't Get a Seat at the Table. Good food, great company, zero interruptions. Zantac 360°® prevents heartburn, relieves it fast, and lasts for up to 12 hours*. Ranitidine, sold under the brand name Zantac among others, is a medication used to decrease stomach acid production. [9] It is used in the treatment of peptic ulcer disease, gastroesophageal reflux disease, and Zollinger–Ellison syndrome. [9] Learn about Zantac 360 (famotidine) usage and dosing. Read the latest news and reviews about the drug as well as potential side effects and popular alternatives. Zantac is used to treat and prevent ulcers in the stomach and intestines. Includes Zantac side effects, interactions, indications, recalls, cancer risk warnings, FDA alerts, and news updates. Zantac (ranitidine) was used to treat or prevent heartburn or acid reflux. It was recalled in April 2020 and replaced with Zantac 360 (famotidine). Zantac was recalled in 2020, but a new version is back on shelves. Here’s what changed, what’s in it, and whether it’s safe to use for acid reflux. FDA Advises Consumers, Patients and Health Care Professionals After New FDA Studies Show Risk to Public Health. The U.S. Food and Drug Administration today announced it is requesting manufacturers.