What Causes Sore Throats With White Layer And Small Bumps?

I have a sore throat, which is not uncommon for me. My roomate looked inside my throat, and told me that instead of the usual white dots, there seemeed to be a white film covering my throat, and my throat appears the be raw. The sympotms also extend all the way to the back of my palate, and I can feel it with my tounge. It seems to be covered in small bumps. What s going on?