Syphilis

The stages, what sores and rashes look like, and how testing works.

4 guides

Can a Syphilis Test Be a False Positive?Yes, a single syphilis blood test can be falsely positive. Learn how two-step testing works, what a reactive result means, and what comes next, per CDC guidance.
How Is Syphilis Treated?Syphilis can be cured with antibiotics. See why penicillin by injection is standard, what follow-up blood tests involve, what partners need and the risks in pregnancy.
Syphilis Rash, Mouth Sores and Early SignsWhat the secondary syphilis rash can look like, including on palms and soles, plus mouth sores, other early signs, and why testing matters even if it fades.
What Does a Syphilis Sore Look Like?What a syphilis sore (chancre) can look like, why it is often painless and easy to miss, why it heals without treatment, and which tests give a real answer.