Stomach Problems

I'm a 60 yr old male.For 7 yrs now, I have had the following problems.
Had h.Pylori bacteria untreated for 4 yrs,before gi dr,found.Now I have
sharp occasional pain in middle stomach area.Heated area center of sternum.Gas,constipation,dizziness,bloatin g&pressure sternum area.
Go 2 to 3 days without having bowel movement.Feel like i'm heated up in head area but no fever.Weak,fatigue feeling.I have had ct scans,hida on gallbladder,all good.I have hiatal hernia also.These episodes last for 2 to 4 weeks,feel ok for 2 weeks,then symptoms return again.Has anyone had these problems, and what was done to correct.

Thank you for your responses.