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Sun allergies can take various forms, including chronic actinic dermatitis, polymorphic light eruption, solar urticaria, and actinic prurigo. Symptoms range from inflamed, itchy skin to blisters and hives, and can affect both exposed and covered skin. Actinic prurigo is most common in children and young adults and can cause permanent scarring in severe cases.
An allergic reaction to the sun can take many forms, depending on the type of sun allergy you have. Chronic actinic dermatitis causes patches of inflamed, dry, itchy skin and mimics another skin condition known as contact dermatitis. Polymorphic light eruption is a type of allergic reaction to sunlight that causes small, itchy bumps to develop on exposed areas of the skin. Solar urticaria can cause blisters and hives to form, even on areas of skin covered by clothing. Another type of allergic reaction is called actinic prurigo, and fluid-filled bumps develop, mostly affecting children and young adults.
A type of allergic reaction to the sun known as chronic actinic dermatitis normally presents similar to contact dermatitis, a skin condition that develops as a result of direct contact with an allergen. Symptoms can include various patches of inflamed, thickened skin that can be dry and itchy. If large areas of skin are affected, there may be smaller areas of skin within the larger area that appear unaffected.
Polymorphic light eruption, also known as PMLE, is the name given to a specific type of allergic reaction to the sun. Within minutes to hours of sun exposure, your skin may begin to itch and form small white or yellow bumps, usually over a patch of red skin. This condition is often referred to as sun poisoning and is the most common type of sun allergy.
Solar urticaria, another type of allergic reaction to the sun, causes symptoms to develop within minutes of sun exposure. Symptoms typically include itchy skin, developing hives, and painful blisters. Unlike other types of sun allergies, solar urticaria can affect exposed areas of skin as well as areas covered by clothing. Symptoms associated with this type of sun allergy usually disappear within an hour of stopping sun exposure.
Actinic prurigo is a type of sun allergy most commonly seen among children and young adults. In this condition, the affected areas of skin become red, raised, and itchy. Blisters can form on any area of the body, including areas that have not been in direct contact with the sun. The blisters associated with this type of allergic reaction to the sun can rupture and, in severe cases, permanent scarring can develop.
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