Neck muscle spasm: Neck muscle spasm is probably the problem. If the pain is radiating down an arm or to the jaw, then get checked right away. Also, if you had a recent head or neck injury, you should get checked right away.
Answered 9/29/2016
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3 doctors weighed in across 2 answers
3 doctors weighed in across 2 answers
A doctor has provided 1 answer
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