### What is Lichen Nitidus? Lichen nitidus is a rare skin condition that causes small clusters of bumps on the skin. These bumps appear without an obvious cause and are not contagious. They can show up on various parts of the body like the chest, abdomen, arms, buttocks, and genitals. The bumps are usually small, round, and flat-topped, close to the color of your skin. They are solid and not filled with fluid. ### Symptoms The main symptom is clusters of small, raised bumps on the skin. These bumps may itch but usually do not cause pain. They can appear lighter or darker than the surrounding skin depending on your skin tone. ### Causes The exact cause of lichen nitidus is unknown. It is an inflammatory reaction, but the trigger is not clear. Some experts believe it might be related to an underlying immune condition. ### Who Gets It? Lichen nitidus is more common in children and young adults. It affects men and boys more often than women or girls. It is also slightly more common among Black people in the US. ### Treatment Lichen nitidus usually goes away on its own without treatment. However, if it causes itching or discomfort, or if the appearance bothers you, there are treatments available: - **Corticosteroids:** Over-the-counter or prescription creams can reduce inflammation and itching. - **Retinoid Creams:** These help speed up skin cell turnover and improve skin appearance. - **Antihistamines:** These can help with itching. - **Phototherapy:** UVA or UVB light therapy can speed up cell turnover and improve skin condition. ### Prognosis Lichen nitidus usually clears up within several months to a year without leaving scars or other skin damage. It is not associated with an increased risk of other health conditions. If you suspect you have lichen nitidus, consult your doctor for a proper diagnosis and treatment options.