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Lansoprazole
Lansoprazole is a prescription medication used to treat gastroesophageal reflux disease, erosive esophagitis, stomach ulcers, and other conditions. Sold under the brand name Prevacid, this medication belongs to a class of drugs known as proton pump inhibitors (PPIs). PPIs reduce the amount of acid in the stomach by blocking acid production sites. Side effects of lansoprazole may include abdominal pain, headache, and nausea.
Lansoprazole (Prevacid®) is a medication that is used to treat a number of conditions within the esophagus, stomach, and intestines. It is available by prescription as brand-name Prevacid or generic lansoprazole and over-the-counter (OTC) as brand-name Prevacid 24HR only.
Who Makes It?
Brand-name prescription Prevacid is made by TAP Pharmaceuticals, Inc. Prevacid 24HR is made by Novartis Consumer Health, Inc.
This medication is licensed to treat a number of conditions, including:
- Erosive esophagitis
- Duodenal ulcers
- Helicobacter pylori (H. pylori) infections
- Stomach ulcers
- Pathological hypersecretory conditions (such as Zollinger-Ellison syndrome).
Lansoprazole is also licensed to treat GERD and erosive esophagitis in children ages 1 to 17. The nonprescription version is approved for treating frequent heartburn in adults.
(Click Lansoprazole Uses or Prevacid 24HR Uses for more information, including possible off-label uses.)
Written by/reviewed by: Kristi Monson, PharmD; Arthur Schoenstadt, MD
Last reviewed by: Kristi Monson, PharmD



