My mother suffers from burning during urination. She is having this problem since last 2 months. She has no uti, no std no cystitis . Uroflowmetry normal and pre and post void urination normal. She was put on soliten and ultrcet . Bt she doesnt suffer from frequent urination so soliten was stopped but burning still persists History of kidney stone 3mm 2 years back Kindly guide us.. consulted many no of drs from allopathy to homeopathy( was given berberia vulgaris nd cantharis)  bt no result. Hope to get a solution