Solar urticaria (SU) is a rare condition in which exposure to ultraviolet or UV radiation, or sometimes even visible light, induces a case of urticaria or hives that can appear in both covered and uncovered …

What is solar urticaria? Solar urticaria is a rare form of chronic inducible urticaria (hives) in which the skin swells within minutes of exposure to natural sunlight or an artificial light source emitting …

Sep 21, 2024 · Solar urticaria is a rare allergic reaction to sun exposure. The condition causes an itchy rash or hives that appear on any skin that has been exposed to the sun. The more skin that is …

Feb 27, 2025 · Solar urticaria is a rare photodermatosis characterized by pruritus, stinging, erythema, and wheal formation after a brief period of exposure to natural sunlight or an artificial light source...

Jul 5, 2022 · While it's rare, some people have allergic reactions to the sun — a condition known as solar urticaria. Learn more about its causes and treatments.

Solar urticaria is a rare type of sun allergy. The onset of symptoms is usually within minutes of sun exposure—learn about diagnosis and treatment.

Solar Urticaria (SU) is a rare disease that results in a physical response to UV or Visible light between 280nm and 780nm. Many people with SU will react through windows, and even on cloudy days. …

Jun 28, 2023 · Solar urticaria is a chronic acquired photosensitivity disorder. It consists of recurrent episodes of urticaria overlying areas of the skin that are exposed to sunlight.

The term ‘solar urticaria’ describes a relatively rare type of urticaria, which is triggered by exposing the skin of susceptible individuals to light (which can be direct sunlight, daylight at any time of year, even …

Exact, prevalence and incidence of solar urticaria are not known. It is reported as representing only 4-8% of all photodermatosis presentations and estimated to account for only 0.4% of all urticarias. To …