Thanks for posting your query.
It seems like you may be suffering from Chronic Gastritis
. You need to take correct treatment for this along with lifestyle modifications in diet and exercise.
inhibitors are very effective in gastritis. I hope you are taking these under your treating doctor’s consultation.
I do not think it is jaundice
. However, you can get LFT or Liver Function Tests done to rule out any problem in your Liver.
of the abdomen will give a general picture of the abdominal organs. This is not required at this stage.
Hope this helps.
Get well soon.