Syphilis progresses in stages, each with different symptoms:
Primary Stage: Characterized by a painless sore or ulcer at the site of infection, usually in the genital area. Secondary Stage: Symptoms can include skin rashes, mucous membrane lesions, fever, sore throat, and swollen lymph nodes. Latent Stage: This stage has no symptoms and can last for years. Tertiary Stage: Can cause severe medical problems affecting the heart, brain, and other organs.