Merck Manual

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Introduction to Gastritis and Peptic Ulcer Disease

By

Nimish Vakil

, MD, University of Wisconsin School of Medicine and Public Health

Full review/revision Jun 2021 | Modified Sep 2022
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Topic Resources
The Stomach
VIDEO

In Zollinger-Ellison syndrome Gastrinoma A gastrinoma is a tumor usually in the pancreas or duodenum (the first segment of the small intestine) that produces excessive levels of the hormone gastrin, which stimulates the stomach to... read more , a rare tumor that usually occurs in the duodenum, pancreas, or adjacent structures, produces a hormone called gastrin that causes the stomach to produce too much acid.

Drugs Mentioned In This Article

Generic Name Select Brand Names
Anacin Adult Low Strength, Aspergum, Aspir-Low, Aspirtab , Aspir-Trin , Bayer Advanced Aspirin, Bayer Aspirin, Bayer Aspirin Extra Strength, Bayer Aspirin Plus, Bayer Aspirin Regimen, Bayer Children's Aspirin, Bayer Extra Strength, Bayer Extra Strength Plus, Bayer Genuine Aspirin, Bayer Low Dose Aspirin Regimen, Bayer Womens Aspirin , BeneHealth Aspirin, Bufferin, Bufferin Extra Strength, Bufferin Low Dose, DURLAZA, Easprin , Ecotrin, Ecotrin Low Strength, Genacote, Halfprin, MiniPrin, St. Joseph Adult Low Strength, St. Joseph Aspirin, VAZALORE, Zero Order Release Aspirin, ZORprin
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