Gastritiss. Food for past 5 months.

I feel gas in my stomach all the time and the gas dont pass and it roams in my stomach and burping too, also there is acidity and also have slight abdominal pain due to gas i get palpitations and also feel diziness. I got endiscopy done and its findings were 1.stomach shows linear antral gastritis 2.duodenal bulb shows mild duodenitis 3.rut weakly positive for hp Stool routine 1.colour yellowish 2.reaction acidic 3.pus cells 1-2 4. Form and consistency semi formed Stool culture 1.e coli (normal flora) I also take bp medicines amlodipin and nebicard 2.5 and fibator for colestrol The medicines which i have taken but did not got relief 1. Rifagut for 3 weeks 2.pentocide plain..got palpition with dsr 3.jonflox 5 days and , 4.diffrent probiotics and antacid gels. I got this problem due to eating a lot of resturants food like 4 days a week for 3 months with not much excercise, but now i have quit eating otside food for past 5 months.