I hope this is not off-topic, but this is important for me, and I assume to many other gamers as well.
Unlike most other computer applications, many PC games make liberal use of the mouse for most actions, often requiring fast and / or prolonged movement. Sometimes games may leave my mouse hand aching for a bit.
Other than taking a break (and visiting this site meanwhile =D ), does anyone have any good tips for preventing or alleviating the pain? Exercises maybe?
check out carpal tunnel exercises online like bending your wrist up and gently flexing it a few times, then doing the same but bending it down. also, you may want to look into a comfortable mouse if it isnt already, and a wrist lift for your mouse pad.
Here are some recommended carpal tunnel hand exercises, with descriptions