1. What is urticaria in children? Urticaria in children is a common skin condition also known as wheals, wheals, or hives. It usually appears as red, swollen, itchy patches or papules on the skin, sometimes accompanied by blisters and erosions. Urticaria can occur anywhere on the body, but is most common on the waist, back, and extremities. 2. What are the causes of urticaria in children? Urticaria in children is usually caused by