Vonoprazan 20 mg is used to reduce excess stomach acid production and helps in the treatment of acid-related gastrointestinal disorders. It is commonly prescribed for conditions such as gastroesophageal reflux disease (GERD), acid reflux, erosive esophagitis, gastric ulcers, duodenal ulcers, and Helicobacter pylori infection in combination therapy. It provides rapid and long-lasting acid suppression, helping relieve symptoms like heartburn, acidity, chest discomfort, bloating, and ulcer-related pain while promoting healing of the stomach and esophageal lining.