You might want to hire a disability lawyer to speed things up and make sure you qualify, etc. Quite a few people here have applied and used lawyers to help speed the process. There are several helpful websites with information written by former disability processors and the like, ssdrc.com
http://www.ssdrc.com/social-security-disability.html and disability secrets.com
http://www.disabilitysecrets.com/
Check below in the "Insurance and Finances" forum and maybe the "Disabilities and Chronic Diseases" one for some of their stories.