Haven't found anything as far as the condition being linked to vaping, although after a couple days of going to bed earlier and going from 4+ cups of coffee a day to 1 or 2 max, it seems to have largley subsided. I made the post b/c i was a little worried after it had persisted pretty consistently throughout a day or two, plus it was flat-out obnoxious. It's almost completely gone now, and when it does start it seems to only last a couple seconds. 2 months would drive me nuts lol, have you considered making a trip to talk to your doctor about it? If you are experiencing some sort of allergic reaction you def. want to know about it sooner than later. It could be something in the juice or maybe even something in the metal of your device. Hell it could also be a new food you tried or really anything.
It's hard to find really any substantial data on vaping regardless of the condition tho because it's such a new industry. The only other thing I can think of is if you're vaping heavily at a higher nic level that could def. be the culprit as well. Hope you find a solution :-