lichen planus
Lichen planus is a skin condition that causes itchy, flat-topped, purple or reddish bumps. It can appear on various parts of the body, including the wrists, ankles, and mouth. The exact cause is unknown, but it is believed to be related to an immune system response.
This condition can affect anyone but is more common in middle-aged adults. While lichen planus is not contagious, it can be uncomfortable and may lead to scarring or changes in skin color. Treatment options include topical medications and, in some cases, systemic therapies to manage symptoms.