Let's take a closer look at the setting. What is Setting? You probably remember from grade school that the setting is where the story takes place, like the woods or Grandmother's house. Actually, the setting of a story tells the time, place, and duration of a story and is told using techniques like imagery. Time
Common foods may be the cause, as well as bee or wasp stings, or skin contact with certain fragrances. Acute viral infection is another common cause of acute urticaria (viral exanthem). Less common causes of hives include friction, pressure, temperature extremes, exercise, and sunlight.
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.