 [ Symptoms ] slightly yellowgreen penile discharge i have recently started seeing someone and we had sex last week a day later i started getting a bit of penile discharge i notice bits of yellowgreen on my white boxer shorts and white marks on black but its not loads im 99 9 percent sure shes clean so i dont think its an sti as i have no other symptoms i did have slight balanitis i think a couple of weeks ago as i had flaky skin around my penis and i couple of red tiny spots which i get now and again related  [ Disease ] most helpful answer if you are having unprotected sex even with someone that you assume is clean or std free you are still at risk many women who have chlamydia or even gonorrhea contracted from a previous partner are not aware of it if you are now having a penile discharge not normal then it would be in your best interest in finding out the reason it will also be in your partner is best interest to know as well