I dealt with a serious bout of writer's block after i took a writing class and it was expected of me to write...
anyway, i got over it by sitting down and just doing a free writing every day or twice a day. Start writing about your day, the shitty shit that happened to you, how much this writer's block sucks, just anything and don't stop. Don't go back and look for errors or read what you just wrote- just write for as long as you can. WHen your hand gets tired or 10-30 minutes (or longer) is up then you can stop. doesn't matter what u write; ur not trying to impress anyone or sound like the new poe.
reading does help a lot too and it gives you new ideas...