Thanks for responding. I didn't intend to post this in neurology, but hopefully you can look at this from a more general perspective. I'm postmenopausal, normal weight - and my weight is stable. Recently, the pain is hovering around a 9. I'm usually conservative when rating pain, so this is significant.
I think I provided a fairly detailed description of where the pain is, and where it radiates; if you need me to be more specific, let me know where/what to clarify. This all began immediately after a blow to the left side of my head (all pain symptoms are on the left side).
I've been theoretically diagnosed with atypical facial pain, TMJ, and a whiplash neck injury, and I appear to have symptoms consistent with all three, which is what makes it so difficult for me to know what's causing pain at any particular time.
The pain in all of the areas I mentioned can be aching (most frequent), often with burning sensation everywhere - with occasional stabbing or shooting pain. Sometimes a sensation of numbness in face, jaw, neck, and ear (also pressure/fullness in ear at times).
I experience occasional popping/clicking in my jaw and ear.
Most recently, I have what feels like severe neck and jaw pain that radiates to mandibular teeth and ear, and I often feel like I need a root canal. My endodontist has checked my teeth multiple times, and although they're not in great shape (for other reasons), he's been consistently confident that the pain is not coming from a tooth.
I'm experiencing a lot more neck pain which feels like it's radiating to my shoulder/upper back, jaw, ear, teeth, and even down the front/side of my neck to the area below my collar bone. I have a forward-head posture (thanks, computer), which I'm sure exacerbates whatever else is going on. When I apply ice to my neck, shoulder, and clavicle area, it sometimes reduces the pain, which I'm hoping is diagnostic. I'm concerned that too much of the pain I'm experiencing is being attributed to atypical facial pain/neuralgia, when there seems to be an increasing amount of neck and jaw pain.
I currently take Gabapentin for neurological pain, and probably too much Ibuprofen.
How much of what I describe is likely to be coming from my neck and/or TMJ?