Pantoprazole, brand name Protonix, is a drug that belongs to the class of drugs called proton pump inhibitors (PPIs). Protonix is used for the treatment of GERD (gastroesophageal reflux disease), stomach (peptic) and duodenum ulcers, and Zollinger-Ellison syndrome.

Side effects of Protonix include phototoxicity (sensitivity to light) dizziness, rash, nausea, vomiting, diarrhea constipation, headaches, stomach pain, gas, dizziness, and joint pain. Serious side effects of Protonix are live damage, rhabdomyolysis (muscle breakdown), pancreatitis, and reduces levels of blood cells.

Adverse effects and risks of Protonix used in high doses and long-term (one year or longer) include osteoporosis, C. diff infection, low levels of magnesium, and heart attacks.

The Dosage for Protonix depends on the stomach condition being treated. Pantoprazole is available over the counter (OTC) and by prescription in higher doses from a doctor. The safety of using Protonix during pregnancy and breastfeeding has not been established. Discuss all supplements and drugs that you are taking with your doctor.