Thanks for all these additional information.
I understand your concern.
Well as you describe, it sounds Cervical spondylosis.
And muscular overexertion, repetitive strain from prolonged hours of computer or mobile use can contribute to your symptoms.
You should do gentle massage with muscle relaxant ointment and apply warm compresses on the affected area.
You should consider physical therapy which can be very effective.
You see an Orthopedist for further evaluation and management.
Gentle neck and arms stretching can be tried.
Continue Ibuprofen and take OTC Zantac.
Let me know if you have any further query so we can discuss it thoroughly in every aspect.
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