i have facing this problume from two weeks there is teasing pain just like burning in urether after urine. the pain just the middle of urether duct like something injurry inside and some salt putted on it. sometime this pain is reduce and some time increased. i have visted clinic and doctor suggest me the anyibiotic and according to the doctor he saaid that thats because of some sexual activity. i admire that i do that but not with  any girl that might because of masturbation. and thats a shamefull :( plz anyone help me i am very depressed