Many Thanks for your replies
I have had his teeth done twice and nothing. Head xray is a possibility and nerve blocking. Sinus have been checked and clear
I have had 2 physios look at time and no muscle pain anywhere, also had ear wax taken which came back clear from yeast and a course of ear...
I have a high withered TB 18yrs who hunted all season lastly end of Jan, 2 days after hunting the horse started shaking his head from side to side, more so when riding but does do it in the paddock and stable also
Things i have tried:
Teeth looked at 2 times
Back looked at 2 times
x2...