Hpylori treatment and gastritis. Feel?

Hi doctor , I took antibiotic treatment for a month for strong positive for Hpylori bacteria , Then due to nauseous feel I took another 2 months tablets to settle my nauseous , still I have at times am on good diet still i can see some nauseous feel , I avoided non veg , no oily foods , taking good amount of fruits and curd items .Will my Hpylori bacteria gets cured ? And why is this nauseous I have whenever I go out ? But no abdominal pain , no heartburn ,no vomiting only nausea what is my problem doctor ? Can you pls explain about this in report it was 6months before report . How can I avoid my nausea feel ? And what all foods I can follow up sir , my weight is getting loss automatically too . . Any suggestions sir