I'm feeling completely lost with my career. I'm only 22 but feel like I've messed up my life and my depression/anxiety is making it impossible to change. I've always been a high achiever getting good grades in school, went to a good uni and eventually graduated with an upper second class degree. During my second year I first suffered depression but after a year I went to my doctors, got put on fluoxetine and everything seemed to look up within a few months of taking the pills and eventually came off them. I worked part time for a major retailer during my time at uni and I was lucky enough to get accepted onto their graduate scheme upon completion of my degree. Slowly over the year and a half I've been on the scheme the company has knocked me down continuously to the point I have very little confidence left and I've just had to go on sick because I was spending every day and night in a panic, I know my depression has come back but I also have severe anxiety where I can't face going back to work. I know I need to leave but my confidence is so shot I don't feel like anyone else will every want to employ me. I feel like I've completely messed up and I'm worried about quitting because if there's a break in my employment any prospective new employer will want to know why and I don't know how to explain it.

I don't really know why I've posted this here and don't know what I expect to hear from anyone to make me feel any better because at the moment I just feel completely lost and like a huge failure. I suppose I was wondering have other people been at this stage and come out the other side? Any help really would be appreciated.