I was wondering if anyone has had a bad experience with Prilosec for acid reflex?? I had a terriable allergic reaction being around my friends cats and dogs today. I forgot to take benadryl before I went to her apartment. When I left my nose was itching and my skin was tingling. So I took the meds when I got home. But somehow I noticed that I have developed canker sores on my tonsils. It comes and goes since I have had acid reflux. But now my stomach is bloated and twitching and my tongue is dry and then the canker sores. It seems these could be side effects from the drug. Anyone else have this happen?? Thanks for your reply ahead of time.