hi there i hit my back nearly a week ago now, and ever since i feel lightheaded and numb, my balance is affected and i feel like everything is going really slow and im not real. its such a strange feeling but im getting very concerned please help. im a 23 yr old female and my weight it 9 and a half stone. my blood pressure and everything is normal, i had it checked 3 days ago. med history- i take 40mg propranalol every day for anxiety and i am on the contraceptive pill.