When ever you use your laptop/computer/phone too much? My fingers have been hurting a ton cause I'm always on an electronic that involves typing/buttons
I get it too, especially during the holidays where I spend more time on the laptop. my fingers/hand/wrist start to hurt, mostly from using the trackpad.
try to switch hands on the trackpad/mouse and use both hands equally, once you get used to it it's easy.
I also got a wrist brace that i wear to stabilize my wrist when I'm on the computer for a long time, that helps, too.