Suggest Treatment For Indigestion Leading To Belching And Back Pain

I all of a sudden had indigestion and bulching burping and slight pain in my back I am getting over I think the flu of which I had thee flu shot months ago mostly bad coughing no fever or aches just tired and thee cough of which I have a little left was real bad took meds cough medicne it took a lot of my energy out of me I'm 71 yrs. never had heart proplems just a little concerned take baby asprin its seems its lingering.