you may get Mri
to asertain disc position.
In my openion u r having disc slip.
advise to take magnetotherapy treatment from a specialist.
1. Place south pole of med power magnet on paining back.
2.Place small north pole near thumb of both leg.
keep this position 4 half an hour --B.D for 15 days.
3. Drink magnetic water 4 time day regularly.
though all caution taken , but u may consult magnetotherapy specialist.