General body pain could be due to many and varied reasons. One of them could be a general constriction of arteries leading to reduced blood flow and pain all over.
This is a possibility in your chart since you are now in the dasa of Saturn. In the previous dasa of Jupiter also, Saturn was activated by the antardasa lords almost continuously from 2015 August.
Confirmation can only be via medical tests.
In any case, you may perform a Jalabhisheka to Lord Shiva on Saturdays with Sankalpa for relief from pain. However, medical treatment must also be taken.