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Famotidine, sold under the brand name Pepcid among others, is a histamine H 2 receptor antagonist medication that decreases stomach acid production. [4] It is used to treat peptic ulcer disease , gastroesophageal reflux disease , and Zollinger–Ellison syndrome . [ 4 ]
Whether it is safe for use in pregnancy is unclear. [1] It works by blocking the release of stomach acid. [1] Omeprazole was patented in 1978 and approved for medical use in 1988. [15] [16] It is on the World Health Organization's List of Essential Medicines. [17] It is available as a generic medication. [1]
Cimetidine was the prototypical histamine H 2 receptor antagonist from which later drugs were developed. Cimetidine was the culmination of a project at Smith, Kline & French (SK&F; now GlaxoSmithKline) by James W. Black, C. Robin Ganellin, and others to develop a histamine receptor antagonist that would suppress stomach acid secretion.
Premedication before chemotherapy for cancer often consists of drug regimens (usually 2 or more drugs, e.g. dexamethasone, diphenhydramine and omeprazole) given to a patient minutes to hours before the chemotherapy to avert side effects or hypersensitivity reactions (i.e. allergic reactions). [citation needed]
Use in pregnancy appears to be safe, while safety during breastfeeding is unclear. [3] Esomeprazole is the (S)-(−)-enantiomer (or less specifically the S-isomer) of omeprazole. [11] It works by blocking H + /K +-ATPase in the parietal cells of the stomach. [11] It was patented in 1993 and approved for medical use in 2000. [14]
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.
Sucralfate is used for the treatment of active duodenal ulcers not related to the use of nonsteroidal anti-inflammatory drugs (NSAIDs), as the mechanism behind these ulcers is due to acid oversecretion. [1] It is not FDA approved for gastric ulcers, but is widely used because of evidence of efficacy. [10]
Lansoprazole is used for treatment of: [3] Ulcers of the stomach and duodenum, and NSAID-induced ulcers; Helicobacter pylori infection, alongside antibiotics (adjunctive treatment), treatment to kill H. pylori causing ulcers or other problems involves using two other drugs besides lansoprazole known as "triple therapy", and involves taking twice daily for 10 or 14 days lansoprazole ...
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