@tmd said in Embouchure Dystonia:
But based on what you shared, you're playing the trumpet beyond your normal abilities, and you are suffering negative consequences. You most likely have a soft tissue injury. Based on this, you need rest, you need to avoid the type of playing that caused this problem, and you need to work on exercises to refocus your embouchure.
Mike
I agree with Dr. Mike. I believe this is more of a tissue injury and not a permanent neuropathy. I refer you to this case report published in the medical literature;

I believe if you read the above case report this may parallel your presentation. The compression of the trigeminal nerve will cause this as a temporary set back:

The treatment by the authors in this case:

This would be my recommendation at this time. Do give us follow up as Dr. Mike and I will reassess your situation using time as our most reliable treatment option.