My mother has a lymphocytic vasculitis disease along with high cholestrol and thyroid..few days ago she has been tested positive for  p-anca and ana..we have done all test of body..but there is no finding about any disease..but she is feeling too weak and feeling warm like some hot flush coming from inside..sweating all the time..cant move from bed..no doctor could find the reason..every test report is ok..but each and everyday she is facing a worst..too much weakness..mainly why the warm flush coming from inside the body??she feels pain on chest..can anybody help me ?i cant understand what to do..