Bloating, upper abdomen pain, pain ribs.

For the past six months when I bring any hot/cold liquid in empty stomach I feel it's going through my chest. Also some times I feel hunger sensations in the chest. Occassionally i get bloated and due to bloating i am feeling shortness of breath. Recently I felt pain in my chest and ribcage as if it's penetrating inside..like putting a giant rubber band around my chest and ribs(left & right) I consulted a doctor after this incident, he prescribed pantaprazole and digene for a week suspecting a peptic ulcer. After that he prescribed antibiotics(metro & amoxy) suspecting h.pylori infection. Now the pain in chest and rib reduced because I have changed my diet by eating small meals rather than large meals. But at times the pain still comes. Last week the doctor prescribed me Nexpro and Perinorm tablets. They took my ECG, Blood glucose, creatinine and serum electrolytes. All these came back normal. I am 28 years old Male. Please advice since I am little afraid about these problems