Back Pain

Please don't bash me for being dumb or whatever.

I've had constant pain in my lower back for at least two years. I've been to my primary care and urgent care. I've tried stretching. I've tried hot baths. I've tried heating pads. I've tried muscle relaxers. I've tried massage. Nothing has helped. It's usually a kind of dull pain, but today it started feeling pinchy. I've also had off and on leg pain today.

I have no idea what to do...I'm almost in tears because it hurts so bad. Please give me advice...