Im a 20 year old girl, iv always been a bit of a worrier and think the worst but the last 2 months since i was ill on holidays with a virus i just havent been the same since. Im light headed, dizzy, weak, faint, feel sick, have no appetite, feel like im going to faint or collapse and die, trouble breathing, headache the list goes on, Iv been to the doctors and iv had blood tests done also an ECG and urine test but everything came back fine but the feelings just arent going away i cant stop crying about it i feel so sad i keep thinking its something worse im scared to be alone or go anywhere incase i faint or drop dead this is just runing my life i dont know what to do any more