Ive Went To A Sti Clinic To Be Tested Because

Ive went to a sti clinic to be tested because ive noticed a small yellowish sticky blob coming from my penis size id say smaller then a q tip and after i got test results i showed negative for chlamydia gonorrhea syphilis and AIDS/HIV. They gave me 1000 mgs of something and i haven't had sex for a month. But the lil drop came back after a week and a half