excessive anxiety, depression, any advice is greatly apreciated

I am a young female who has struggled with depression and anxiety, bulimia anorexia, and around thirteen alcohol abuse as well as marijuana use. The eating disorders settled down last year and I currently enjoy and probably over indulged a little in food as well but am now underweight. What is odd is that I swore I had been gaining weight and actually I have lost about ten pounds over the course of a few months. I am guessing distorted body image is to blame as that still has stuck with me from the past. Where my eating disorders left off my anxiety and depression picked up and took a course for the worst, I have quit drinking excessively and last time I had any was a glass of wine two months ago, I have also quit smoking and eating any marijuana products due to even heightened anxiety and distress. I perfer a diet mostly vegetarian and I know lack of vitamins or nutrients will cause depression so I have been taking about six multi vitamin a day as well as eating healthily. But my condition doesn't change much. I smile, and try to proceed with life the best I can. I know I grew up to quickly and as my eighteenth birthday soon approaches I feel even more so weighed down. I have been in counseling since the age of ten or so but about two years ago my insurance quit covering the therapist I spoke with. I want advice, but I also want you all to be aware that I realize my emotional problems of things not dealt with from the past, with time they will arise and be handled but in the mean time I really need advice on something that may help my symptoms. Thank-you all for your time taken to read this (as I know it is lengthy), and for any time taken to respond. I am in dear need of help I couldnt sleep at all tonight and found my self crying to the point of hyperventilation.
Best of luck and positive vibes to all.
Mariah