Pantoprazole is a prescription medication used to treat gastroesophageal reflux disease and Zollinger-Ellison Syndrome. Pantoprazole belongs to a group of drugs called proton pump inhibitors. These work by decreasing the amount of acid made in the stomach.

This medication comes in tablet and oral (by mouth) suspension form. It is usually taken once or twice daily, with or without food.

This medication is also available in an injectable form to be given directly into a vein (IV) by a healthcare professional.

Common side effects of pantoprazole include headache, diarrhea, and nausea.