What does the red dot represent before syphilis?

First of all, in fact, there is no so-called pre-syphilis red dot, because the diagnosis of syphilis is not able to observe these so-called red dots to judge, these are not specific. Second, the only basis for the diagnosis of syphilis is through blood test syphilis double antibody, or syphilis three to diagnose, see other symptoms are not particularly significant. The third point, syphilis symptoms only a syphilis hard chancre specificity is stronger, after observing whether there is such a painless ulcer, basically can determine whether there is syphilis infection. In addition, simply look at these so-called rash is very difficult to determine, must be checked to make a diagnosis, after diagnosis must be timely treatment, do not delay. Because syphilis treatment earlier, then the treatment effect is more ideal.