Hopefully u can help me, I woke up this morning with a strong pain in the middle of my chest which goes all the through my back. It has easied, but when I take a deep breathe it hurts more. I do smoke about 30 smokes a day and I am on zoloft (100mg), Quilonum SR (2x 450mg). I also just started taking vitamin B2 (400mg), these are daily doses. I have had cronnick headache and must times when I get up. I get almost blackest in my eyes and get dizzy. I have had my blood pressure checked and is all fine. Also had a CT scan of my sighnesses and everything fine. I am at lose. Please helpme