Suggest Treatment For Severe Body Pain

i am having body pain from last four months,early in january i had consulted a physician and after lot of test my vitamin d was found low and as per doctors advice i had taken a injection for vitamin d and shelcal-500 for three months but i am still having pain.further i went for RH factor test,dsdna test,esr which were found negative.
please tell me what should i do next.