Have you done any exertional ctivity in previous few days like pulling ,pushing etc.
What is your profession.Do you use computer too much?
Thanks.Your symptoms suggest that you might be having a pinched nerve at the neck .This can happen in cervical spondylosis.Also known as neck arthritis.
Cervical spondylosis is a disorder in which there is abnormal wear on the cartilage and bones of the neck (cervical vertebrae)
It can be cured by physiotherapy and massage .
wearing a collar for a few weeks also help.
Any more questions please ask.
Nsaids like motrin are helpful.
Yes ,motrin is fine.