Sun allergy - Symptoms and causes - Mayo Clinic
2024年7月19日 · Sun allergy is a broad term. It describes several conditions that cause an itchy rash to form on the skin after being in sunlight or other sources of ultraviolet (UV) radiation. Polymorphous light eruption is the most common form of sun allergy. Some people have a hereditary type of sun allergy.
Dermatitis. Photosensitivity dermatitis
Photosensitivity dermatitis is the name given to an eczematous eruption arising in response to exposure to electromagnetic radiation. It is most commonly provoked by exposure to sunlight. The reaction may relate to UVB, UVA and/or visible light.
Sun Allergy: Symptoms, Causes, Treatment & Prevention - Cleveland Clinic
2022年5月4日 · There are several types of sun allergies, and reactions can range from mild to severe. The most effective treatment strategy is to avoid the sun or cover your skin, but other treatments may help. What is a sun allergy? A sun allergy happens when a person develops a rash and sometimes other symptoms after exposure to sunlight.
Solar Urticaria: Symptoms, Treatment, and More - Healthline
2022年7月5日 · Solar urticaria, also known as sun allergy, is a rare allergy to sunlight that causes hives to form on skin that’s exposed to the sun. The itchy, reddish spots or welts usually appear...
Photosensitive dermatitis: Causes, symptoms, and treatments
2021年8月19日 · Photosensitive dermatitis causes skin inflammation after exposure to sunlight or some types of artificial light. Learn about the causes, symptoms, and treatments here.
Photosensitivity (sun allergy) - DermNet
Photosensitivity refers to various symptoms, diseases and conditions caused or aggravated by exposure to sunlight. A rash due to photosensitivity is a photodermatosis (plural photodermatoses). If the rash is eczematous, it is a photodermatitis. A chemical or drug that causes photosensitivity is a photosensitiser.
Sun allergy - Diagnosis and treatment - Mayo Clinic
2024年7月19日 · Most sun allergy symptoms improve in less than a day or two if you keep the affected skin out of the sun. Stop using medications that make you sensitive to light. If you're taking medications for other conditions, talk with your health care provider about whether you can stop taking them if they are making your skin more sensitive to the sun.
Photodermatitis: Rash Characteristics and Treatment - Verywell …
2023年11月15日 · Photodermatitis is a condition that causes a rash on the skin. It occurs when the skin is exposed to both an irritant and ultraviolet (UV) light. It is a type of photosensitivity but uniquely different from sunburns. This article will discuss all the aspects of photodermatitis, including symptoms, treatment, and prevention.
Photodermatitis - Wikipedia
Photodermatitis, sometimes referred to as sun poisoning or photoallergy, is a form of allergic contact dermatitis in which the allergen must be activated by light to sensitize the allergic response, and to cause a rash or other systemic effects on subsequent exposure.
SOLAR DERMATITIS | JAMA Dermatology - JAMA Network
SOLAR dermatitis may be defined as an acute or chronic inflammatory reaction of the skin to sunlight. It is characterized by an eruption consisting of pruriginous plaquelike, erythematous, urticarial, papular and vesicular lesions, occurring usually on exposed areas. The lesions undergo exacerbations during the summer, but winter remissions are ...