In addition to giving yourself some real time off and free writing (both of which i highly recommend, plus fuzzylogician & rising_star are always right), I recommend talking your way through your problem to determine what the source of the issue is. Keep asking yourself "why?" until you unlock the biggest cause of burnout. Maybe it's a lack of self care, maybe you haven't taken a break in months, maybe you've got too much on your plate...whatever it is, analyze it and talk yourself through it so you can figure out a plan. When I experienced burnout last May, I kept analyzing my problems until I realized that the biggest problem for me was my health. I made more of an effort to take care of my health problems, took a break, and felt much better. Hope this helps you too!