The way of cure starts with a lumbar MRI as the respectable member told you.
you should go for an MRI buddy, sounds like u have what i have: DDD(degenerative disc disease), it isnt pretty, if you lift anything too heavy it gets worse, now im facing surgery.
sitting in front of a computer alot with bad posture is what caused mine. now i cant sit, i cant lay down, i cant walk, and sleeping is a joke. 12 hours in bed for 4 hours of sleep. do something while u can.