If you find a stripe-like rash on your child’s arm or leg, you might be concerned. But it might be a harmless rash called lichen striatus. This type of rash usually forms one or two lines of pink, ...

Oral lichen planus can cause white lesions to appear in your mouth, often on the insides of your cheeks. It may result from an infection, certain medications, or other health conditions. Lichen planus ...

Lichen planus is an inflammatory skin condition that causes a rash that is usually itchy. It consists of small, shiny, slightly raised, flat-topped bumps that can be pink or purple in color. Lichen ...