Hi there. I would advise you to firstly get an Xray of the back done and get it evaluated by an orthopedician . A pain which is relieved by rest could be bony in nature as well as due to muscle spasm . The first and foremost thing to do is rest . Try to curtail your activity as much as possible and take adequate rest. A good anti inflammatory and muscle relaxant like Nucoxia MR along with local heat therapy and analgesic gel massage. Tramodol can be taken if there isn t complete relief with the above. Final treatment depends on the Xray diagnosis. I hope my advice has helped. Good luck