How Can Leg And Neck Pain With Degenerative Disc Disease Be Treated?

I am a 47 year old female, I am having a major thing with my back and legs. I have that DDD, in my back. I am having trouble with my legs now with them hurting really bad, burning, stinging also. I am having lots of trouble walking and even at times setting. It is making my neck hurt really bad also. My legs swell really bad, this isn't a good thing at all. Gets wrost everyday, I need help please