Most syphilis rashes go away on their own. Most of this rash will go away on its own, even without treatment, in about a month. However, this fading does not mean that the syphilis has gotten better, or that it has healed or cured itself, but that the disease is developing further. The syphilis rash is only a specific manifestation of skin damage after syphilis has entered the second stage. Therefore, once the syphilis rash is identified, it needs to be treated with timely syphilis exorcism, and after the diagnosis of syphilis is confirmed by laboratory tests, it also needs to be treated with antibiotic injections, which can be injected with penicillin, mainly procaine penicillin. If you are allergic to penicillin, you also need to use other antibiotics, such as erythromycin or tetracycline, etc.