1st the girl should be tested again just to make sure. Are you using condoms? If not start using them. 2nd STD symptoms don't show up the next day.
I didn't use a condom and I'm aware there is an incubation period for std's and besides i've tested negative for all common stds and a few less common ones as well. i've also tested negative for infection through urine tests although when I took a Uranalysis there were traces of blood in my urine. i've been using condoms since then but this feeling that I need to urinate has not gone away.
I suggest seeing a uriologist.
i've been to 2 urologists and an internal medicine doctor the urologists put me on some antibiotics that didn't work and also stuck a tube in my penis to check for any visual signs of something and to the doctors I am squeaky clean. thank you for the input i'll figure it out i hope