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Pantoprazole, sold under the brand name Protonix, among others, is a medication used for the treatment of stomach ulcers, short-term treatment of erosive esophagitis due to gastroesophageal reflux disease (GERD), maintenance of healing of erosive esophagitis, and pathological hypersecretory conditions including Zollinger–Ellison syndrome.
[80] [81] In healthy humans, the half-life of PPIs is about 1 hour (9 hours for tenatoprazole), but the duration of acid inhibition is 48 hours because of irreversible binding to the H,K-ATPase. [82] All the PPIs except tenatoprazole are rapidly metabolized in the liver by CYP enzymes (mostly by CYP2C19 and 3A4). [82]
Upper gastrointestinal bleeding (UGIB) is gastrointestinal bleeding in the upper gastrointestinal tract, commonly defined as bleeding arising from the esophagus, stomach, or duodenum. Blood may be observed in vomit or in altered form as black stool. Depending on the amount of the blood loss, symptoms may include shock.
Pantoprazole was first prepared in April 1985 by a small group of scale-up chemists. It is a dimethoxy-substituted pyridine bound to a fluoroalkoxy substituted benzimidazole. [5] Pantoprazole sodium is available as gastroresistant or delayed release tablets and as lyophilized powder for intravenous use.
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Concomitant use with proton pump inhibitors is recommended for patients who are at a high risk of gastrointestinal bleeding [17] Use at low dose: 75–100 mg orally once a day; An image of low-dose aspirin tablets (Gericare) Caution. History of gastrointestinal bleeding; Contraindications. Allergy to NSAID/aspirin
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Upper gastrointestinal bleeding then is reported, and is very commonly represented in elderly patients. [4] Black or bloody stools and hematemesis account for over three quarters of the case presentations. Abdominal pain, nausea, vomiting, and unstable vital signs are common.