Suggest Treatment For Stones In Kidney Causing Pain In Lower Back

Hello sir, 5 years back i have experienced a stone pain in my right kidney and now from the last 3 months i have 2 stone, 2.2mm in left and 4mm in right.. Continue taking cystone syrup but still facing pain from my back to my gladder and tip of the penis. Facing hard time while i go to toilet.. Please suggest if have to go with another medicine. And if I have to take care of my diet as well.