What is the polymorphic eruption of light?

polymorphic eruption of light (PMle or PLE) is the most common form of photodermatosis. Photodermatoses are skin diseases that are caused by exposure to sunlight; The term "sun poisoning" is sometimes used to describe this family. Although doctors have quite extensively investigated the eruption of polymorphic light, the condition seems to be an idiopathic origin, which means that no cause was determined. After exposure to sunlight, the skin develops itchy red rash, which often begins in the form of places that eventually combine. During one day to a week the rash disappears, but reappears if the patient is re -exposed to the sun. It has been theorized that Condition is caused by compounds in the skin that changes in response to the UVR exposure and evoke the reaction of the immune system, which in turn creates a rash. As the patient ages, the rash can grow much more serious at each exposure.

rashes caused by eruptionPolymorphic light can be treated with topical corticosteroids and ingested antihistamines, drugs that inhibit the reaction of the immune system. These drugs can also sometimes be used to control the reaction of the skin to the solar sun. The best treatment of polymorphic light eruption is desensitization therapy in which the patient is exposed to the controlled amount of UV light for the set periods in the hope of the body so that the reaction does not occur again.

This sensitivity to the sun is not considered harmful, but it can be irritating or embarrassing, as the rash favors the upper chest, arms and face, all areas are highly visible. To prevent the repetition of the rash, some people like to seek treatment, even if it is generally not necessary. When it repeats, the rash is usually solved by itself. However, if it does not disappear within one week, it is good to consult a dermatologist and mention the previous episodes of PMle. Other forms of photodermatosis may sometimes resemble PMle, so if the diagnosis has not been confirmed, it may beWise to find the advice of a doctor.