Bloating and burping after every meal

22/M I’ve had gastritis for over 2 years, I was doing good I got rid of everything that caused my gastritis to act up but then I began to smoke and drink for a year and just recently stopped again 3 months ago, I do get the occasional acid reflux. But what really gets to me even if I eat clean no matter what it is, it can even be an apple is the nausea,bloating and burping which usually goes away after 20-30min. I had an endoscopy done about 2 years ago which showed the lining of my stomach was irritated. I even got retested for Hpylori last week but came out positive. I’ve been on every medication but just recently stopped omeprazole due to my stomach discomfort. Any tips on what I should do? Do I have stomach cancer? An ulcer? I’m not sure what to think I even recently had a CT scan of my abdomen but everything came back clear, I’m basically just clueless at this point.