Famotidine

Famotidine, sold under the brand name Pepcid among others, is a histamine H2 receptor antagonist medication that decreases stomach acid production.[2] It is used to treat peptic ulcer disease, gastroesophageal reflux disease, and Zollinger-Ellison syndrome.[2] It is taken by mouth or by injection into a vein.[2] It begins working within an hour.[2] Common side effects include headache, intestinal upset, and dizziness.[2&a... [wikipedia]