Yeah a good massage can last for maybe a week, two at most, and probably not in a case as severe as yours.

I would think some pressure could be applied to the trap w/o causing so much pain. If that isn't possible, then there is still - I think it's called MUA - for "manipulation or massage under anesthesia". The massage itself is so painful they need to knock you out. I'm just not sure what insurance would cover. And even that doesn't deal with the cause.

I'm sorry for what you're going through. I suggest looking for a Dr. of Physical Science or Dr. of Physical Medicine - they are sometimes called Sports Medicine Drs and usually work with an orthopedic team. A specialist like this can often find the source of a problem and refer you to the appropriate specialist. I have one I use and she has been a tremendous help.

All the best to you. Joe