Back Pain in Muscle & left hand

Patient: Hi,I am having pain in left side of my body..sometimes at back side and sometime on left hand..have taken zerodol for past 3 days. It gave me atemporary relief but yet the pain is there.Let me know what to do. Should I try myospaz or any other medicine?Thanks

Symptoms: Pain ..moving from hand to back side and vise versa in left part of body