Can syphilis or aids cause buring when you have the urge to pee? passed three urine tests and cultures for all bacteria std what else cause this?

NGU: NGU or non-gonococccal urethritis is a condition linked with sexual activity that causes burning with urination. It may is not detected be detected by normal STD testing panels. So if the tests for gonorrhea and chlamydia are negative, special testing for ureaplasma/mycoplasma may be needed Clinicians will often treat empirically without specific testing. Doxycyline is effective.