What are the symptoms of syphilis?

The symptoms of syphilis vary depending on the stage of the infection.

Primary syphilis

The first symptom of syphilis is usually a small, painless sore (chancre) at the site where the bacteria entered the body. This sore typically develops within 10-90 days of exposure to the bacteria. The chancre heals on its own within a few weeks, but it is highly contagious while it is present.

Secondary syphilis

The second stage of syphilis begins a few weeks after the chancre has healed. This stage is characterized by a rash that may appear anywhere on the body. The rash is typically red or brown and is often accompanied by flu-like symptoms, such as fever, headache, fatigue, and muscle aches. Other symptoms of secondary syphilis include:

* Swollen lymph nodes

* Warts

* Condylomata lata (flat, gray-white lesions on the genitals or rectum)

* Hair loss

* Vision problems

* Hearing problems

Latent syphilis

Latent syphilis is the third stage of syphilis. This stage can last for many years, and it may not cause any symptoms. However, latent syphilis can still be transmitted to others.

Tertiary syphilis

The fourth stage of syphilis is known as tertiary syphilis. This stage can develop years or even decades after the initial infection. Tertiary syphilis can cause a wide range of symptoms, including:

* Skin lesions

* Bone pain

* Joint pain

* Heart problems

* Neurological problems

* Blindness

* Paralysis

Congenital syphilis

Syphilis can also be passed from a pregnant woman to her baby. Congenital syphilis can cause a variety of health problems in the baby, including:

* Premature birth

* Low birth weight

* Blindness

* Deafness

* Mental retardation

* Seizures

* Stillbirth