OK, so at what age is someone considered elderly? In the newspaper, many people of various ages are described that way. This question came from a different reader on the same wavelength.
Common side effects of Prilosec and Zantac that are similar include diarrhea, headache, nausea, and vomiting. Side effects of Prilosec that are different from Zantac include rash and dizziness. Side effects of Zantac that are different from Prilosec include constipation, fatigue, and insomnia.
Read More. The prilosec had side effects and it just made me so mad to have side effects from the treatment for the side effects of my meds...ugh! Read More. I stopped taking all the prescribed meds for reflux in Nov. because I was having so many bad side effects.