· A sun rash is an immune system reaction to sunlight exposure that causes itchy bumps, raised patches, or blisters on your skin. Here’s why and how to find relief. Experts don’t know exactly what causes this rash. It’s possible that UV radiation alters a compound in your skin and your immune system reacts to the new compound.See full list on my.clevelandclinic.orgBoth ultraviolet and occasionally visible light cause PMLE. Ultraviolet light has two types: UVA and UVB. UVB can damage your skin, but UVA penetrates deeper into your skin’s layers. UVA causes up to 9 in 10 cases of polymorphous light eruption. The rash can appear following sun exposure or from other sources such as tanning beds.See full list on my.clevelandclinic.orgPMLE often occurs in the spring when sunny weather returns. PMLE affects all ages, sexes, races and ethnicities. It’s most common among: 1. Women and people assigned female at birth. 2. People between the ages of 20 and 40. 3. Those with a family history of PMLE. 4. People who live where sun exposure is uncommon.See full list on my.clevelandclinic.orgPolymorphous light eruption typically presents as an itchy rash on sun-exposed areas of your body. The rash may consist of small red bumps, larger red patches or even blisters. Skin lesions typically appear within hours of sun exposure, but they sometimes occur days later. In rare cases, PMLE causes symptoms such as: 1. Fever. 2. Headache. 3. Nause...See full list on my.clevelandclinic.orgPMLE can appear on any part of your body exposed to UV light, although it rarely appears on your face. The rash most commonly appears on your: 1. Chest. 2. Neck. 3. Arms. 4. Legs. Juvenile spring eruption is a type of PMLE that tends to affect the ears of children (mostly boys).See full list on my.clevelandclinic.orgMay 6, 2025 · Polymorphous light eruption is a rash caused by sun exposure in people who are sensitive to sunlight. Polymorphous means that the rash can have many forms, such as tiny bumps, raised areas or blisters. The condition also is called sun allergy, sun poisoning and polymorphic light eruption. · Sun poisoning usually means a severe sunburn that seems similar to an allergic reaction. WebMD explains sun poisoning symptoms, treatments, and prevention tips. · In most cases you can manage symptoms of sun poisoning at home. To soothe the pain and improve discomfort caused by the sunburnrash, apply cool compresses, aloe vera gel, or non-fragranced creams, or take a cool colloidal oatmeal bath. · Sun poisoning causes severe sunburn, painful blistering, and flu-like symptoms. You can develop these symptoms from too much ultraviolet (UV) exposure or as a side effect of some medications. · We explain how to spot sun rash, what causes it, and how to manage symptoms once they develop. · Sun poisoning usually means a severe sunburn that seems similar to an allergic reaction. WebMD explains sun poisoning symptoms, treatments, and prevention tips. · In most cases you can manage symptoms of sun poisoning at home. To soothe the pain and improve discomfort caused by the sunburnrash, apply cool compresses, aloe vera gel, or non-fragranced creams, or take a cool colloidal oatmeal bath. · Sun poisoning causes severe sunburn, painful blistering, and flu-like symptoms. You can develop these symptoms from too much ultraviolet (UV) exposure or as a side effect of some medications. · We explain how to spot sun rash, what causes it, and how to manage symptoms once they develop. · Sun poisoning causes severe sunburn, painful blistering, and flu-like symptoms. You can develop these symptoms from too much ultraviolet (UV) exposure or as a side effect of some medications. · We explain how to spot sun rash, what causes it, and how to manage symptoms once they develop. · Polymorphous light eruption is a rash caused by sun exposure in people who are sensitive to sunlight. Polymorphous means that the rash can have many forms, such as tiny bumps, raised areas or blisters. The condition also is called sun allergy, sun poisoning and polymorphic light eruption.
