Adult Product Q&A Sexual Health Women's Health

What are the ways syphilis is transmitted?

Asked by:Calliope

Asked on:Apr 08, 2026 04:11 PM

Answers:1 Views:311
  • Gulf Gulf

    Apr 08, 2026

      Syphilis is a sexually transmitted disease caused by Treponema pallidum disease , understanding its transmission routes is crucial to preventing and controlling the disease. The following is a detailed introduction to the common transmission routes of syphilis.

    Sexual contact transmission

      unprotected sex: Unprotected sex is one of the main ways of spreading syphilis. During sexual contact, Treponema pallidum can pass skin Or small damage to the mucous membrane into the human body. Whether it's vaginal, anal, or oral sex, as long as one partner has syphilis and is contagious, the other partner is at increased risk for infection. For example, people with multiple sexual partners have a relatively high chance of being infected with syphilis because they have more sexual contacts. Therefore, screening for multiple sexual partners is very important for early detection and control of the spread of syphilis.

      Oral mucosal damage: When the oral mucosa is damaged, oral sex may also cause syphilis infection. Treponema pallidum can enter the bloodstream through a break and cause infection. Therefore, during sexual intercourse, attention should be paid to protecting the mucosa of the oral cavity and reproductive organs to avoid damage to the mucosal immune barrier.

    mother-to-child vertical transmission

      placental infection: In pregnant women with syphilis, the Treponema pallidum in the body can penetrate the placental barrier and enter the fetus In the body, it causes the fetus to be infected with syphilis, that is, congenital syphilis. This will not only affect the normal development of the fetus, but may also lead to serious consequences such as fetal malformation. Therefore, screening during pregnancy is crucial for timely detection and treatment of syphilis in pregnant women and reducing the risk of vertical transmission.

      birth canal contact: During delivery, when the fetus passes through the birth canal, it may be exposed to Treponema pallidum in the mother's birth canal and become infected with syphilis. Therefore, for pregnant women with syphilis, effective vertical transmission blocking measures should be taken to increase the vertical transmission blocking rate and ensure the safety of the fetus. healthy

      Transmission during breastfeeding: Although relatively rare, if a mother has syphilis lesions on her nipples during lactation and has a high viral load, baby Syphilis can also be contracted while sucking breast milk. Therefore, the health care of nursing mothers also needs to pay attention to syphilis-related issues.

    Bloodborne

      Shared syringes: Sharing syringes is one of the common ways blood-borne syphilis is spread. This mode of transmission is particularly prominent among drug addicts. When a syringe used by an infected person is used by someone else, Treponema pallidum can enter someone else's body through the bloodstream, causing infection.

      transfusion infection: Syphilis can also be contracted by transfusion of blood or blood products contaminated with Treponema pallidum. However, with modern medicine's strict screening of blood products, this mode of transmission has become relatively rare. However, in some special circumstances, for example, the blood of infected persons within the serological testing window period may not be detected in time, and there is still a certain risk of blood transfusion infection.

    Other transmission routes

      family contact: In family life, when personal items such as towels and toothbrushes are shared, and the items are contaminated by the secretions of syphilis patients, and healthy people have damaged skin or mucous membranes, they may be infected with syphilis, but this mode of transmission is relatively rare.

      hospital-acquired infection: During the medical treatment process, if medical equipment is not sterilized in a standardized manner, such as surgical instruments, syringes, etc., being contaminated by Treponema pallidum, it may also lead to iatrogenic infections. Therefore, medical institutions should strictly abide by disinfection regulations to reduce the risk of hospital-borne infections.

      Syphilis is a relatively harmful sexually transmitted disease, and different transmission routes have different characteristics and prevention methods. People need to increase their awareness of the transmission routes of syphilis and actively take preventive measures to reduce the risk of infection.