Lamictal and jobs

I was diagnosed as being Bipolar a few days ago as Ive been on different types of anti depressants for years, I'm 23 now, and its NEVER helped me. The Doctor prescribed Seroquel and Lamictal. The Seroquel was supposed to be temporary until the Lamictal kicked in but after having HORRIBLE side effects from the Seroquel I quit it after only one night. Today was the first day of the Lamictal starter pack and besides feeling a little out of it and irregular heartbeat once in a while, thats all that I've noticed. But after reading all of your stories I really do not want to continue it. But the anti depressants don't help so I don't know what else to do. I'm not even sure that I am Bipolar. I do have self destructive habits like excessive shopping, stealing, partying etc. There are times when I'm ok and times where I am depressed but never to the point where I cant get out of bed. But I don't work or go to school. I quit all my jobs and I dropped out of school. I feel anxious a lot of the time, helpless, just really lost.....I dunno whats wrong with me. I wish I knew for sure because I would hate to continue the Lamictal and risk the more serious side effects for a disorder that I may not even have. I just wish someone could look into my brain and tell me for sure.