Hi @Violetta75

Now, I haven't played for more than three weeks. There are also other things which bother me and because of this, I have no creative outlet to relax. It isn't like losing your best friend, it's like losing your family.
In my case it's not overusing muscles and joints so I don't know. I will probably get to doctor sooner, but right now, it is so serious that I barely can do something with my hand.