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:
The causes can be similar to those of acute urticaria but can also include your immune system, chronic infections, hormonal disorders, and tumors. Physical urticaria are hives caused by direct physical stimulation of the skin -- for example, cold, heat, sunlight, vibration, pressure, sweating, and exercise. They usually happen right where the skin was affected and rarely appear anywhere else. Most appear within 1 hour after exposure.