A viral skin condition spread through close contact.
Appearance:
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Small, round, pearl-like bumps
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Tiny central dimple
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Usually painless
While molluscum often resolves naturally, treatment may be needed to prevent spreading.
6. Syphilis (Painless Genital Sore)
Syphilis starts with a single, painless sore, known as a chancre.
Because it does not hurt, many people ignore it — allowing the infection to progress.
Early treatment with antibiotics is highly effective, making evaluation essential.
7. Chronic Skin Conditions (Lichen Sclerosus, Lichen Planus)
These non-infectious inflammatory conditions can cause:
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Intense itching
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Thin or fragile skin
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White patches
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Flat or discolored bumps
These require medical diagnosis and long-term management to prevent progression.
When You Should See a Doctor
Seek medical attention if the bump:
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lasts longer than two weeks
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becomes painful, grows, or changes color
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bleeds or cracks
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comes with fever or significant discomfort
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causes pain during intimacy
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appears with recurring sores or itching
Getting evaluated early provides clarity and prevents complications.