a chronic skin disease characterized by dry red patches covered with scales; occurs especially on the scalp and ears and genitalia and the skin over bony prominences
a condition characterized by episodic narrowing of the blood vessels in the fingers and toes, resulting in reduced blood flow and color changes in the affected areas
an itchy skin eruption characterized by weals with pale interiors and well-defined red margins; usually the result of an allergic response to insect bites or food or drugs
a condition characterized by inflammation and cracks at the corners of the mouth, often caused by a combination of factors including infection, dryness, and nutritional deficiencies
an itchy skin eruption characterized by weals with pale interiors and well-defined red margins; usually the result of an allergic response to insect bites or food or drugs