Famotidine for Injection 20 mg Per 2 mL, Preservative Free 2 mL x 25/Pack **Requires Refrigeration (RX)Famotidine for Injection 20 mg per 2 mL is a medication used to treat and prevent ulcers in the stomach and intestines, manage gastroesophageal reflux disease (GERD), and address conditions where the stomach produces too much acid, such as Zollinger Ellison syndrome. It belongs to a class of drugs known as H2 blockers, which work by reducing the amount of acid the stomach produces, alleviating symptoms such as acid indigestion and heartburn. ***