Pain in the upper part of the abdomen on right side may be due to Gallbladder
stones.It may also be due to kidney
A simple Ultrasound
abdomen will confirm the diagnosis.
If Ultrasound abdomen is normal,then it can be musculskeletal pain.
Please take anti inflammatory drug till Ultrasound abdomen is taken.
If you come back with the report,i will clarify
Wish you good health