What do you do on the computer ? Any gaming ? Any smart phone texting, gaming ?

fyi, Hydroxzine is known to cause head aches.

Yes, soccer was likely a contributing factor to your current situation. Some low impact exercise like a bike ride would be useful to stimulate blood flow.

It sounds odd to me that a chiro is just doing acupuncture. Some gentle neck traction and mobilization of C-1 and C-2 would be helpful. No 'twist the head and pop the neck' adjustments. They are too aggressive to many people.