Lansoprazole
chemical compound
Lansoprazole, sold under the brand name Prevacid among others, is a medication which reduces stomach acid. It is a proton pump inhibitor (PPI), used to treat peptic ulcer disease, gastroesophageal reflux disease, and Zollinger–Ellison syndrome. Its effectiveness is similar to that of other PPIs. It is taken by mouth. Onset is over a few hours and effects last up to a couple of days.
Common side effects include constipation, abdominal pain, and nausea. Serious side effects may include osteoporosis, low blood magnesium, Clostridioides difficile infection, and pneumonia. Use in pregnancy and breastfeeding is of unclear safety. It works by blocking H+/K+-ATPase in the parietal cells of the stomach.
Lansoprazole was patented in 1984 and came into medical use in 1992.
This brief starts where responsible research should: with the source description of “Lansoprazole” as chemical compound. Everything that follows is an evidence route, not borrowed authority.
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The date and method of observation matter as much as the stated conclusion, especially where classification or consensus has changed. The source revision retrieved here is dated Aug 20, 2026. The linked authority identifier is Q254296. None of the 0 selected statements returned an explicit reference. The first chronological checks are 1984 and 1992.
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This entry incorporates text from “Lansoprazole” on English Wikipedia. Contributors are listed in the page history. Text is available under the Creative Commons Attribution-ShareAlike 4.0 License. Selected authority identifiers and statements are retrieved from Wikidata under CC0; their references and qualifiers remain part of the verification path.