How long can syphilis infection last?

Syphilis infection, four weeks or so can be detected. According to the individual constitution is different, infected with syphilis, the onset of time is also different, under normal circumstances, syphilis incubation period in more than ten days, patients can every week to two weeks or so to the hospital to do laboratory tests, if false negative, there may be infected with syphilis. Syphilis infection, after two weeks to four weeks or so after the incubation period, then the patient may show hard chancre, with the production of hard chancre, syphilis spirochete may be through the blood circulation throughout the body, so that the body's skin mucosa shows symptoms, if this symptom is not treated in time, it may be syphilis lesions into latent state.