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Omeprazole, sold under the brand names Prilosec and Losec, among others, is a medication used in the treatment of gastroesophageal reflux disease (GERD), peptic ulcer disease, and Zollinger–Ellison syndrome. [1] It is also used to prevent upper gastrointestinal bleeding in people who are at high risk. [1]
Most of these medications are benzimidazole derivatives, related to omeprazole, but imidazopyridine derivatives such as tenatoprazole have also been developed. [77] Potassium-competitive inhibitors such as revaprazan reversibly block the potassium-binding site of the proton pump, acting more quickly, but are not available in most countries.
Agents for suppressing gastric acid secretion are proton-pump inhibitors (PPI), such as lansoprazole, pantoprazole, rabeprazole, omeprazole and esomeprazole. Anti-ulcer agents to treat mouth ulcer [ edit ]
A derivative of timoprazole, omeprazole, was discovered in 1979, and was the first of a new class of drug that control acid secretion in the stomach, a proton pump inhibitor (PPI). [11] [12] Addition of 5-methoxy-substitution to the benzimidazole moiety of omeprazole was also made and gave the compound much more stability at neutral pH. [6]
Chemically speaking, however, Nexium was extremely similar to Prilosec. There was little evidence that it was better than Prilosec or new generic alternatives. In fact, public health experts argued that many people taking acid inhibitors didn’t need medications at all—they needed to change their diets.
Celexa – an antidepressant of the SSRI class; Centrax – an anti-anxiety agent; Clozaril – atypical antipsychotic used to treat resistant schizophrenia; Concerta (methylphenidate) – an extended release form of methylphenidate