Back in December I was sick on pickles (gross I know), and went to the E.R. on January 8th, and the doctor said I have gastritis. He put me on Protonix for 10 days and I felt pretty good. I had been able to eat pretty much everything normal (including pizza). I had pasta with sauce a few days later and felt a little burning in my stomach. And weeks later (now), I had pasta with marinara sauce yesterday and hours later felt so nauseated but could not throw up, and I kept burping and felt a really thick sensation in my throat and felt like some stuff was coming back into my throat but never came up, it just felt like it when I was burping. Any possible causes for this other than Gastritis? I have felt perfectly normal except after eating this pasta. Still feel a little funny today but much better. Thanks for any answers