
Syphilis - Symptoms and causes - Mayo Clinic
Syphilis spreads from person to person through direct contact with these sores. It also can be passed to a baby during pregnancy and childbirth and sometimes through breastfeeding. After the infection …
About Syphilis | Syphilis | CDC
Jan 30, 2025 · Syphilis is a common sexually transmitted infection (STI) that can be cured. People who are sexually active can get syphilis. This fact sheet answers general questions about syphilis.
Syphilis - Wikipedia
Syphilis (/ ˈsɪfəlɪs, ˈsɪfɪlɪs /) is a sexually transmitted infection caused by the bacterium Treponema pallidum subspecies pallidum. [1] The signs and symptoms depend on the stage it presents: primary, …
Syphilis: Cause, Symptoms, Diagnosis, Treatment & Prevention
Learn about the symptoms of syphilis so you can get treatment before it causes long-term health problems.
Syphilis - STI Treatment Guidelines
Mar 6, 2026 · STI Treatment Guidelines from CDC Syphilis is a systemic disease caused by T. pallidum. The disease has been divided into stages on the basis of clinical findings, which guide treatment and …
Syphilis - Infectious Disease - Merck Manual Professional Edition
Aug 4, 2025 · Syphilis is caused by the spirochete Treponema pallidum and is characterized by 3 sequential symptomatic stages separated by periods of asymptomatic latent infection. Common …
Syphilis - California Department of Public Health
Syphilis Syphilis is a sexually transmitted infection (STI) caused by the bacterium Treponema pallidum. Untreated infection can lead to long-term health problems, including brain disease. Syphilis …
Syphilis: Symptoms, Causes, Diagnosis, Treatment - WebMD
Feb 26, 2026 · Syphilis is a highly contagious disease usually spread by sexual activity. Learn more about syphilis causes, symptoms, diagnosis, treatment, and prevention.
Syphilis - World Health Organization (WHO)
May 29, 2025 · WHO fact sheet on syphilis, including overview, symptoms, treatment, prevention and WHO response.
Syphilis - NHS
Syphilis is a sexually transmitted infection (STI). Find out what the symptoms are, when and where to get medical help and how it's treated.