Tooth pain Sucks!

Today is not starting out good at all. I woke with severe tooth pain. It hit me randomly, too. I had a filling put in that tooth back in 2010 and haven't had any problems with it until today. I'm not sure what's going on with it, but oh my god the pain is horrible. I can't even bite down on it. How am I suppose to deal with this? I can't eat, I can't sleep. I feel like I'm losing my mind. The worse thing of all is I do not have insurance to go get this looked at. We really do not have the extra money for a dentist visit either since we are going to Disneyland in May and any extra money goes straight into savings. When is it going to be bad enough that I just say screw it- and go? I think I'm there now.