Broadcasting. 1  Tokyo Broadcasting System, a stock holding company in Tokyo, Japan TBS Television, a television station. 2  Turner Broadcasting System, US media company TBS (U.S. TV channel), a cable television channel in the United States.
The most common cause of hives in young children is a viral infection, such as a cold or flu. Or your child may have developed hives as a result of an allergic reaction to: Make a note of the time when the hives first appeared, how long they lasted, and any possible triggers you can think of.
A bout of hives usually lasts less than 6 weeks. These hives are called acute hives. If hives last more than 6 weeks, they are called chronic hives. Acute hives often result from an allergy, but they can have many other causes. The medical term for hives is urticaria (ur-tih-CARE-ee-uh). When large welts occur deeper under the skin, the medical term is angioedema (an-gee-oh-eh-dee-ma). This can occur with hives, and often causes the eyelids and lips to swell.