Affecting up to 20 % of world population at least at some time during their lifetime, urticaria, commonly known as hives, belongs to common skin disorders. Its pink, itching skin lesions, which can appear suddenly and then vanish just in order to reappear at some other body part over very short period of time, can be quite unpleasant, annoying, and bothersome for people. However, hives rarely pose serious danger to the human health, and usually go away on their own. The quiz below is focused on the general issues regarding hives. You are welcomed to try this online tool to check your personal knowledge of hives, its symptoms, causes and signs.