Repeatedly scratching an area can cause lichenification, which is thickened, rough, and dark skin. The name comes from its resemblance to lichen, a plant-like growth found on rocks and trees.

Lichenification – a condition where skin becomes thickened, rough, and darkened due to constant scratching or irritation – affects thousands of Americans each year. Though not typically dangerous, ...

Brandi Jones has over two decades of experience as a nurse in an acute care setting. Her clinical background includes pediatrics, medical-surgical, and women's health. She also specializes in ...