What is the name of the medication commonly used to treat ulcers by reducing stomach acid ?

The medication commonly used to treat ulcers by reducing stomach acid is called a **proton pump inhibitor (PPI)**. Examples of PPIs include omeprazole, esomeprazole, and lansoprazole. These medications work by inhibiting the proton pumps in the stomach lining, thereby decreasing acid production and helping to heal ulcers.