Syphilis: Symptoms, Diagnosis, and Treatment

Syphilis is a sexually transmitted infection caused by the bacterium Treponema pallidum. It progresses in stages and can have serious health consequences if left untreated.
Related products/activities
Application
Sexual Health | Infectious Diseases | STD Prevention | STD | Treponema Pallidum
Prepared by Shruti Sahoo, reviewed by Dr. Eugene Smith

Syphilis FAQ


Image credit: verywellhealth.com

Is syphilis a bacterial infection?

Syphilis ( / ˈsɪfəlɪs /) is a sexually transmitted infection caused by the bacterium Treponema pallidum subspecies pallidum. The signs and symptoms of syphilis vary depending in which of the four stages it presents (primary, secondary, latent, and tertiary).

What are the symptoms of syphilis?

Some people with syphilis have no symptoms. This is why it's important to be tested regularly. The symptoms of syphilis depend on the stage of infection. There are 4 stages of syphilis infection: the sore is a roundish area of broken skin — the centre may be weepy and have pus coming from it

Is syphilis a STI?

Syphilis is a sexually transmitted infection (STI). It is caused by bacteria and is easy to cure if found early. There are 4 stages of syphilis infection. If not treated, syphilis can lead to serious complications in your brain, eyes and heart. What is syphilis?

How do I get CDC Information about syphilis?

Consider adjusting the scale or “shrink to fit” in your browser settings, or consult the printing instructions applicable to your browser. Alternatively, consider using the STD facts brochures or ordering materials through CDC-INFO on Demand (please note: stock is limited). Syphilis Fact Sheet from CDC.

How many people have syphilis?

In 2020, WHO estimated that 7.1 million adults aged 15–49 acquired syphilis globally. Some countries that systematically monitor syphilis are showing an important increase in syphilis cases among men who have sex with men, including congenital syphilis.

Syphilis References

If you want to know more about Syphilis, consider exploring links below:

Explore Related Topics

What precautions should be taken when using penicillin antibiotics?

Share essential safety measures and precautions to consider when taking penicillin antibiotics. Discuss potential drug interactions or contraindications.