I had something like this last time, and my wrist starts to get more and more painful everyday. Turns out that I was not typing on the keyboard, but was poundi

I had something like this last time, and my wrist starts to get more and more painful everyday. Turns out that I was not typing on the keyboard, but was pounding on it. Later when I change the nature of my keystroke to be more mild, it starts getting better. Not sure if this will be relevant to you, but its worth a try.