- Lansoprazole is a proton pump inhibitor (PPI) that effectively reduces stomach acid production by blocking the hydrogen/potassium adenosine triphosphatase (H+/K+ ATPase) enzyme in the stomach lining. This enzyme, also known as the gastric proton pump, is responsible for the final step in acid production. By inhibiting it, lansoprazole allows damaged tissue to heal while preventing further erosion.
- The medication is primarily prescribed for various gastrointestinal conditions, including gastroesophageal reflux disease (GERD), peptic ulcers, and Zollinger-Ellison syndrome. By reducing acid production, it helps alleviate symptoms such as heartburn, acid reflux, and indigestion.
- Lansoprazole also plays a crucial role in treating Helicobacter pylori (H. pylori) infections when combined with antibiotics like amoxicillin, clarithromycin, or metronidazole. The reduced stomach acidity created by lansoprazole enhances antibiotic effectiveness, leading to better treatment outcomes.
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