Urticaria, Rashes, Itching, Skin Rashes, Weals, Welts, Nettle Rashes, Stress Rashes, Heat hives, Hives Treatment, Urticarial Rashes, Dermatographic Urticaria, Hives Rash, Hives treatment, Cold Urticaria, Hives on face. Root Cause of Chronic Urticaria Urticaria (also known as short-term urticaria) is a common condition, estimated to affect around 1 in 5 people at some point in…