Pantoprazole is prescribed for the treatment of heartburn, gastroesophageal reflux disease, ulcers, Zollinger–Ellison syndrome, erosive esophagitis, and so on. This drug is a proton pump inhibitor that works by blocking stomach acid production. It is also prescribed in combination with antibiotics such as clarithromycin or amoxicillin. This medicine may also be used to treat other conditions as determined by your doctor.