Suggest Treatment For Chronic Back Pain

Doctor, now I am in bed because of back pain. 3 days before I had this pain. Then after I applied some ayurvedic oil on my back bone and pain releaved. Yesterday I had a four hours car drive and several times bike riding. Now the pain started again. I was going to gym from last 5 months . But I didnt hav any problem from there. I had some irritation like I felt I should run a lot. After I run 2-3 kilometers. After this pain started. Can you pls suggest me what should I do nw?