👉 Dermatographism is a medical condition in which the skin on the palms and soles of the hands, called "dermatophytic plaques", are raised, scaly patches that can appear anywhere on the body. These plaques may be small or large, ranging from just one to several inches long, and they can occur at any age. Dermatographism is often caused by a condition known as dermatitis herpetiformis, which affects the skin of the hands and
