There are many causative factors for backache.
In female there is a complain of white discharge or Pelvic inflammatory disease r also common cause.if there is not like that then it might be due to Spinal cause .Some times our wrong position to lift things .
Next Steps
Consult an Ayurvedic doctor and rule out cause.
Health Tips
take a rest when you have pain . Avoid traveling, take Food which not aggravats Vayu.
local steam therapy is also very effective.in Spinal problem PANCHKARMA THERAPIES like Kati basti,Yog Basti gives good result.