I dont know how bad is it but you must go to a doctor .
Additionally this thing here can help you i use it personally and make excercises with it . It helps a lot and you can wear it whi9le you are shopping or whatever
just dont wear it with your gf :D
http://www.kosmodisk.com/index.asp?tn=products&c=15804
Good luck and remember you must practice at least 5 minutes everyday your back .