Omeprazole is used to treat certain digestive conditions including stomach ulcers, duodenal ulcers, GERD, and esophagitis due to GERD. It’s also taken with antibiotics to treat H. pylori infection.

Omeprazole is a generic drug used for certain stomach and esophagus conditions. It’s available as the brand-name drugs Prilosec and Prilosec OTC. Omeprazole’s cost with and without insurance can ...