Syphilis Symptoms: When to Seek Emergency Care
Reviewed by Segun Adeoye, MD, Board Certified, American Board of Family Medicine. Reviewed October 21, 2026. Syphilis is a sexually transmitted infection that is easy to miss and easy to treat once it is found. It often starts as a single painless sore, then a rash. A simple blood test finds it, and a penicillin…