shows nerve root
pressure due to disc protrusion
, You should be having root pains as well as pain radiating to legs .Brace for lower back, avoid forard bending and lifting of weight,take anti-inlammatory/analgesics,do back strengthening exercise. If pain increases over a period of time interfering with routine activity and unbearable, you may have to undergo laminectomy/discetomy surgery. Seems it is tolerable now so you may remain on conservative treatment till otherwise.