When your neck pain is accompanied by numbness, tingling, weakness, and headache, this is a sign of serious disease. Other signs may have pain dispersed down the legs or arms, unexplained tiredness, unexpected weight loss, sickness, mood swings, and fever. If you have this kind of Seriousness then you must go for chiropractic care. If you want to understand in the deep so read this blog carefully: http://spinalchiropracticclinic.com/blog-details/how-to-know-neck-pain-is-serious-and-needs-immediate-treatment