side effects of protonixActual Protonix side effects submitted by users. Prev | Next Ads: phenergan pregnancy; prilosec 20; side affects of levitra; folic acid supplementsIn people taking Protonix, side effects may include headache, diarrhea, vomiting, and abdominal pain. . All about Protonix Side Effects . Doctors prescribe Protonix to heal erosive esophagitis resulting from . . 09. ok so heres the deal, i had been having bad stomach pains and burning every morning over the summer so 2 week... more