Noticed white spots on head of penis and shaft

I've recently been in a relationship and my gf split up from me. I have now noticed on the edge of my penis some white spots and also on my shaft. These were not there before when I entered into this relationship and had an STD test which I was clear. I am suspicious that my gf could have something before we met or played away during our relationship. could someone tell me if ive caught some kind of std? i havent been to a drs yet!

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you have something going on there
I would be getting it checked