Worthington Springs, Florida. Worthington Springs is a spring and town in Union County, Florida, United States. The population was 193 at the 2000 census. According to the U.S. Census Bureau's 2004 estimates, the town had a population of 199. Contents.
Causes. While the cause of chronic idiopathic urticarial is unknown, the reaction may be caused by certain triggers, including pain medications, infection, insect bites or parasites, exposure to heat, cold or sunlight, stress, consumption of food or alcohol, or pressure on the skin.Common symptoms:hile the cause of chronic idiopathic urticarial is unknown, the reaction may be caused by certain triggers, including pain medications, infection, insect bites or parasites, exposure to heat, cold or sunlight, stress, consumption of food or alcohol, or pressure on the skin. Common symptoms:
A , Hospitalist, answered. Urticaria (hives) is often an incredibly frustrating condition. When the hives keep occurring for more than six weeks, as yours have, doctors call that chronic urticaria. The cause of chronic urticaria is found in a small percent of patients. Urticaria is an allergic reaction. When doctors cannot identify the underlying cause after a thorough diagnostic evaluation, we refer to the condition as idiopathic urticaria.