Lichen nitidus is a rash that can develop almost anywhere on the body, usually taking the form of small white bumps. The rash rarely causes discomfort or itching and is not infectious, contagious, or indicative of serious disease. In most cases, lichen nitidus does not require treatment and clears up on its own, though treatment may be necessary in some cases.


1. Appearance

Lichen nitidus appears as shiny, skin-colored bumps or papules about the size of a pinhead. Each one measures one to three millimeters, and they often appear in clusters. The rash most often develop on the arms, legs, and torso, and occasionally the genitalia. Children and young adults are the most commonly affected demographics, but lichen nitidus can affect people of any age.

Dermatologist Examining Arm Thomas_EyeDesign / Getty Images

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