SYPHILIS (SIFILIS) • HEALTH GUIDE
Syphilis Symptoms in Men: What You Need to Know
Nexus Laboratories health information team • Updated 8 October 2026
Men may first notice a genital sore, but syphilis is not always obvious or painful. The underlying infection and its stages are the same across sexes; anatomy can affect where a sore appears and whether it is noticed.
Where signs may appear
An initial sore may develop on the penis, around the anus or in the mouth after contact with an infectious lesion. It may be easy to overlook if it is painless or internal. Having no visible sore is not proof that you are uninfected.
Rash and other symptoms
A later rash can involve the palms or soles. Fever, swollen glands or patchy hair loss may accompany secondary syphilis. These findings have many possible causes, so a description or picture cannot replace an examination.
Preparing for your appointment
Write down when symptoms began, recent exposure dates and previous syphilis treatment. Ask which tests are being used and whether an early negative result needs repeating. A new sore should be assessed promptly rather than waiting for a routine screening date.
Frequently asked question
Does a painless sore mean it is syphilis?
No. Painless sores can have different causes, and syphilis lesions are not always painless. Get assessed.
Useful next steps for readers in Malaysia
Use this guide to prepare questions for a healthcare professional. Bring your exposure dates, symptoms, test results and any treatment records. Ask what the result means, whether you need another test and how follow-up will be arranged.
This is general health information, not an individual diagnosis. Seek urgent care for new vision, hearing or neurological problems; contact your antenatal team promptly about a possible exposure during pregnancy.
Related guides
- All Syphilis (Sifilis) topics
- What Is Syphilis?
- Syphilis Testing Window Period
- Syphilis test kit product information
