pressure in the neck can cause headaches. However it can cause other sensations too. Pressure on one of the higher nerves can cause various sensations. Pressure in the lower cervical nerves can cause tingling...
It sounds exactly like pain killer withdraw symptoms with such limited history and information, especially the "skin crawling" description. Obviously this is just an initial impression but I would need to know a much more de
of the hand passes through the neck or cervical spine. While there could be other reasons, tingling... possible cause of the tingling in your hand. In terms of neck pillows have you tried the arc4life's...