![]() Treatment for burn blisters: Debride or leave intact? Emergency Nurse. Sunscreen: How to help protect your skin from the sun.In: Andrews' Diseases of the Skin.: Clinical Dermatology. Dermatoses resulting from physical factors. Having a family history of the condition.Some people gradually become less sensitive over several years and eventually no longer experience the yearly rash.Īnyone can develop polymorphous light eruption, but several factors are associated with an increased risk of the condition: After the first episode, it's likely to happen each year.Episodes are less likely to happen as the summer progresses.An episode is most likely to occur after the first one or two times of sun exposure after a long period of no exposure, such as in spring or early summer.Features of polymorphous light eruption are somewhat predictable: ![]() With polymorphous light eruption, sensitivity to sunlight lessens with repeated exposure. Exposure to sunlight through windows or even sunscreen-protected skin may cause a reaction in some people with photosensitivity. UV light that reaches the earth is divided into two wavelength bands - ultraviolet A (UVA) and ultraviolet B (UVB).Ī person with photosensitivity can react to both types of UV radiation. UV radiation is a wavelength of sunlight in a range too short for the human eye to see. It leads to immune system activity that causes a rash. The rash appears in people who have developed sensitivity to sunlight, especially ultraviolet (UV) radiation from the sun or other sources, such as tanning beds. The exact cause of polymorphous light eruption isn't understood. Seek immediate medical care if your rash is: So it's important to get a prompt diagnosis and treatment. The rash from this viral infection typically looks more purple. As its name implies, this illness caused by a strep infection leads to a bright red rash on the skin that. Polymorphous light eruption rashes look similar to rashes caused by other diseases, some of which are serious. For example, infections of all kinds can cause pinprick red dots on the skin, including: Scarlet fever. See your health care provider if you have any rash with no obvious cause, such as a known allergy or recent contact with poison ivy. ![]() The rash usually appears on areas of the body that are covered during winter but exposed in summer such as the upper chest, front of the neck and arms. In polymorphous light eruption, eruption refers to the rash, which usually appears 30 minutes to several hours after sun exposure. People may rarely have other symptoms such as fever and chills. Dense clusters of small bumps and blisters.Symptoms of the rash in polymorphous light eruption may include: The rash that results from polymorphous light eruption can look different from person to person but typically includes inflammation, itching and small bumps that may be densely packed together. ![]()
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