Urticaria (Hives) Types, Symptoms and Causes

Swelling occurs and remains for six or more weeks. It is known as urticaria and also called hives due to its nature. There are chronic and acute cases of this health condition, and the first type is a bit more dangerous and tricky. Add the damage to immune system, problems with hormones, and tumors to the main symptoms of the acute hives, and you’ll get a chronic one.