What are the main symptoms of syphilis?

Syphilis is a sexually transmitted disease caused by Treponema pallidum infection, which can be sexually transmitted, mother-to-child vertical transmission and blood transmission. Female syphilis infection can show some complications and hazards, as follows: 1. Easy to mix infection with other diseases. Clinical treatment found that syphilis often and other sexually transmitted diseases such as gonorrhea, non-gonococcal urethritis, condyloma acuminatum, vaginal candidiasis, trichomonas mixed infection, so in the diagnosis and treatment should be paid attention to. 2. Causes infertility. Syphilis is a huge hazard, syphilis may be an important factor causing infertility after abortion. Syphilis in pregnant women can also cause HSV infection in the uterus and neonatal infection, causing serious effects on the fetus. 3, causing complications. Syphilis can also cause disseminated syphilis, syphilitic meningitis, proctitis, pelvic inflammatory disease, spinal nerve root disease and a series of complications.