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Rash, also known as verruca vulgaris, is unlikely to be caused by human papillomavirus -2.4 and human papillomavirus -7. Common in hands and feet, it is single at first and can be increased by self-inoculation.

The lesions are round or polygonal papules, as small as the tip of a needle to the size of peanuts, grayish yellow, dirty brown or normal skin color, with no redness around, rough surface, obvious keratinization, pistil or prickly, slightly hard and prickly to the touch, but not as sharp and hard as hedgehog hair. More common in children and adolescents.

Extended data:

Heat rash is a kind of heat rash, which generally occurs on the soles of feet, and one or more thorns grow in pieces. There are silky black hairs on the surface of prickly heat, and the bleeding along the line is scraped off with a knife. In severe cases, it is born on the soles of feet like eating cauliflower, which makes it inconvenient to walk, and it is also born on the skin surface of various parts of the body. It grows and bulges into nipple-like, uneven and painless, and some people will itch.

Common wart can be manifested as a single wart in the early stage, which is often called "mother wart" in medicine. As time goes on, wart bodies with similar shapes and different sizes will appear around the mother wart. These warts are often called "daughter warts" in medicine, and common warts are called "boils" in traditional Chinese medicine, which are generally called "itching" and "boils".

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