Thought I'd chime in for anyone concerned about this symptom... For about 3-4 weeks now, I have noticed my typing and handwriting become a bit more difficult. My fingers seem to struggle to find the right keys, which is really odd because typing used to be second-nature for me. As for the handwriting, it feels like my hand is just tired as I'm writing. I haven't really noticed that the script itself is deteriorating, but my hand feels worn-out and over-exerted as I'm writing. The same can be said for typing, actually... my wrists tend to develop some fatigue/pain after not very much typing at all. It also seems that I've developed a somewhat minor, perhaps situational tremor in my right (dominant) hand to go along with all of this. Holding a cell phone or pen, my hand will begin to shake. Thumb and pinky finger, too... Gotta love BFS. I'm only just over 4 months in, and it seems that the longer I have it, the more oddball symptoms I develop.