Keywords:  ppi, potent, inhibitor, inhibit, pump
Also known as acid pump inhibitors, these medicines work by preventing acid pumps in the stomach from producing too much acid. NEXIUM is an acid pump inhibitor. By reducing acid production in the stomach, NEXIUM reduces the chances of acid backing up.
Short PPI. Group of substances which selectively inhibit the secretion of stomach acid. Example: Pantoprazole.
Proton Pump Inhibitors (such as omeprazole) are a treatment for heartburn that reduce the production of stomach acid by inhibiting the action of the proton pumps.