Can syphilis be blocked after high-risk behavior?

Syphilis can usually be blocked by injecting penicillin after high-risk behavior. Meanwhile, patients should go to the hospital for examination after 4~6 weeks to find out whether they have syphilis.
Adults can take into account their own situation and take 1 course of benzylpenicillin injection under doctor’s guidance to effectively block syphilis after high-risk behaviors. Patients should go to the hospital for syphilis serology test 4~6 weeks after high-risk behaviors, so as to clarify whether they are infected with syphilis.
In order to prevent syphilis, patients should fix their sexual partners in daily life and use condoms reasonably. If a patient is diagnosed with syphilis, he or she should actively cooperate with the doctor to take treatment measures. The above medications should be used in accordance with the doctor’s instructions, and should not be used on their own, in order to avoid adverse consequences.