Thanks for posting your query.
There may be possibilities of muscle sprain
or cervical spine
Presence of aggravation of pain on moving neck suggests the diagnosis.
You should consult with internal medicine specialist/ orthopedic surgeon and should go for thorough check up.
You should use hard collar for support of neck.
You should do strict bed rest
You should take analgesic
along with muscle relaxants.
You should apply analgesic ointment for faster relief.
Dr. Mayank Bhargava