The mention that your body just does not feel right, it makes me wonder if a misalignment happened with your injury..

We often suggest Nucca - upper cervical adjusting..
NUCCA - National Upper Cervical Chiropractic Association
This site has a lot of good info- Up C Spine
There are videos on you tube showing how it is done.

This is very possible. I had a stiff neck and pain for a few weeks. It's gone now, but maybe something is still wrong. I've had a pinched nerve in my neck for about 5 years now so there's always some level of pain on my left side.

You had TN and fibro before the dental cleaning & concussion?

That complicates things, the cleaning & head hit could have triggered a flare up of both..
But I still think seeking out some expert chiropractic or possibly acupuncture also could be beneficial for all your conditions..

I would focus on getting a quality assessment of your neck. No just an MRI and generic read. An assessment by a physical therapist and/or physiatrist (Physical Medicine and Rehabilitation MD) who understands subtle neck injuries and how they can wreck your life. I bet you slept with poor head and neck posture. This would cause neck inflammation and cause your symptoms to get much worse.

Nothing you are experiencing indicates a concussion as the only cause. It is far more likely your symptoms are upper neck. Inflammation restricts blood to the brain stem. This interferes with temperature modulation, balance, vision, and many other functions.

Being and getting high is very problematic. It hides the true source of symptoms.

Using drugs also indicates a high likelihood of depression and/or anxiety and stress related living. Those pre-existing conditions make the symptoms of any concussion much worse and longer lasting. Many need to properly treat those conditions as part of the concussion and neck injury recovery.

You might be right about the neck issues. I've been trying to cut back on the carbamazepine I take for trigeminal neuralgia per the neurologist. I believe it's contributing negatively to how my body feels. While cutting back my neck has begun to hurt again so the medication must be masking the issue going on with my neck. When I fell I did not brace myself so my head hit the tile pretty hard. Do you think I'd need an MRI of the neck? I suppose that would be of the cervical spine. I've had one of those for a pinched nerve in the past and it didn't find anything too interesting. Maybe it would this time around? In response to the weed...it wasn't from depression, it was to try to help the severe pain I was experiencing in my face at the time. It wasn't a great decision given I didn't know how it it would react with the tramadol. The only thing I've been taking since the fall is the carbamazepine, which I'm holding I can get off.

As I said, imaging of the neck will not likely be helpful. Treat the symptoms, not the imaging. Try sleeping in a recliner with your head and neck straight and supported by a pillow so your head cannot fall to the side.

It sounds like you need to do some research to find that neck specialist who can help you and help you learn how to take care of your neck.

Think of imaging as a 'surgical plan,' not a therapy plan. Gentle traction and mobilizing with serious discipline to sleep in good posture is critical. You should expect to spend 6 months or more being disciplined with your sleep posture.

It took me two years to get my neck stable after a year of not properly treating my injury.

Thanks for the advice Mark. Do you think an anti depressant or anti anxiety medication would help my body feel the way it was before I hit my head? Is it possible medication could impede my recovery, rather than help it? Do a lot of people who have a concussion feel as if there body isn't right? It's really the best way I can describe it. Cognitively things seem normal, but the feeling in my body is not. It's like this shakiness feeling, not actual shaking, but just this weird not right feeling. It's pretty awful.