I have read about little pimples appearing in the vaginal area, mostly on the inside of the labia. Does it look like it has a white head like a pimple? But, I'm not sure about the urethra area. You should definately go to a doctor though. Too many people, I find, try to diagnose themselves. We, as women, have very complicated bodies and we need to take care of them. And with the sore being on your urethra, could complicate the urinary tract. Definately have a physician check it out. Good luck!