* Relief of heartburn, acid indigestion, and sour stomach * Treatment for gastric and duodenal ulcers * Treatment for pathologic gastrointestinal hypersecretory conditions such as Zollinger–Ellison syndrome and multiple endocrine adenomas * Treatment for gastroesophageal reflux disease (GERD) * Treatment for esophagitis * Part of a multidrug regimen for Helicobacter pylori eradication, although omeprazole may be somewhat more effective. * Prevention of NSAID-induced peptic ulcers. * Given to surgery patients before operations to reduce the risk of aspiration pneumonitis.<unk>  is also given to dogs and cats with acid reflux.<unk>  has been used in combination with an H1 antagonist to treat and prevent urticaria caused by an acute allergic reaction.<unk>  had no benefit as a treatment for COVID-19.
Famotidine
Ranitidine
Pantoprazole
Rabeprazole
Metoclopramide
Omeprazole
Lansoprazole
Cimetidine