It’s only fair to share… Ranitidine Ranitidine, sold under the trade name Zantac among others, is a medication that decreases stomach acid production.[1] It is commonly used in treatment of peptic ulcer disease, gastroesophageal reflux disease, and Zollinger–Ellison syndrome.[1] There is also tentative evidence of benefit for hives.[2] It can be taken by mouth, by …