Omeprazole Vs Ranitidine

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Prilosec omeprazole and Zantac ranitidine are for the treatment of conditions such as ulcers and gastroesophageal reflux disease GERD caused by stomach acid. Prilosec and Zantac are both available over-the-counter OTC . Prilosec is a proton pump inhibitor PPI that blocks the production of acid by the stomach..