<s>[INST] Right kidney measures 81 x 41 mm and shows a calculus of size 7.6 mm at PUJ with upstream mild hydro nephrosis. I am taking Burberis Vulgeris for 2 months but no positive result. Regular feeling of Burn and Pain in lower right abdomen and right lower back. Please suggest effective treatment. [/INST] Hello, Lower back ache is due to the kidney stone itself please drink plenty of water and see an urologist for the same. Hope I have answered your query. Let me know if I can assist you further. Regards, Dr. Haleema Yezdani, General & Family Physician </s>