The appearance of a painless hard sore that ulcerates, scabs, and disappears may indicate that an individual has

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The appearance of a painless hard sore that ulcerates, scabs, and disappears is a classic symptom of the primary stage of syphilis. It usually lasts for 3-6 weeks and is usually located on the genitals, but can also occur on the lips or elsewhere on the body. Herpes and genital warts usually present with multiple painful sores, while gonorrhea may cause discharge or painful urination, but not ulcers.

The Appearance of a Painless Hard Sore That Ulcerates, Scabs