Then it is not a STD and probably just irritation. But it is best to see a Dr, because it could be a fungial infection which would need medication to clear up.
Dots or bumps can be so many different things it is best to see a Dr.
You say you don't need a STD, but I ask you have you had unprotected sex? if so then you may not need a STD but you are not doing anything to prevent one. Use condoms all of the time.