When I tried switching the mouse to my left hand I just started getting pain in my left hand too! I found switching to a trackball mouse has helped a lot, as h

When I tried switching the mouse to my left hand I just started getting pain in my left hand too! I found switching to a trackball mouse has helped a lot, as has using an ergonomic keyboard without a number pad on the right hand side. I use one of these at work: http://www.goldtouch.com/p-65-goldtouch-adjustable-keyboard-putty.aspx http://www.goldtouch.com/p-65-goldtouch-adjustable-keyboard-...