Suggest Treatment For Severe Neck Pain After A Jiu-jitsu Practice Session

I was doing jiu jitsu trying to defend a choke from behind by turning my head towards their connecting hand. I had to do this quite a few times throughout the hour, in addition to other rolling, so I m not sure when exactly it happened, I didn t really feel it during practice because of heat and adrenaline, but after practice, my neck started hurting like crazy, and couldn t turn my head, it hurt just existing. It took a week for me to even be able to turn my head past 45 degrees. The pain is along the right side of my neck, and running into my trapezius, but hurts the most somewhat close to my spine around where my traps/shoulder starts. Occasionally the pain subsides a bit when I do strength training, other times it makes it worse. That was six months ago, and I still have the pain, even almost to the extent of the original injury at times. It s likely some kind of muscle strain, but it has been bothering me for way too long. What do I do?