ah that's the worst, that results in me seriously not even being able to talk normally, even if i realy do want to say something it just like i physicaly can't, it's as if my throat closes on me and you put so much effort into talking that it becomes physicaly painfull and you feel your throat getting sore.
i wish i could help but i'm having this trouble myself, i do know that when i started working out, the physical symptomes got better and fewer so that could help.
I always get this if I say more than about 10~ words to someone. I thought it might be because I talk so rarely, my vocal cords are under-developed or something haha. Because even with people I'm close to, my throat will get sore and dry. Talking in person is physically painful to me ><