You have pain in the upper back (Trapezius area) neck, arms, ears and jaw.
You also have indigestion
, blood tests and CT scan
done are negative.
So you have two complaints
2) Rest of the complaints
Both need not be interlinked
As all the investigations are normal, You may have simple hyper acidity which is not revealed in any investigations. Digestive enzymes + antacids with anti flautulents + antispasmodic will relive your indigestion.
The rest of the complaints need complete clinical evaluation + CT Brain + MRI Cervical Spine
+ ENT examination to arrive at a possible diagnosis and treatment accordingly