Polymorphous light eruption
Polymorphous Light Eruption (Pronunciation: pah-lee-mor-fus light eh-rup-shun) is a skin condition that occurs as a reaction to exposure to sunlight. The term is derived from the Greek words poly meaning many, morphous meaning forms, light referring to sunlight, and eruption referring to a sudden occurrence.
Definition
Polymorphous light eruption (PMLE) is a type of photosensitivity, an abnormal reaction to sunlight. It is characterized by a rash that can take on many forms (hence the term 'polymorphous'), including red plaques, tiny red bumps, and blisters.
Symptoms
The primary symptom of PMLE is a skin rash that develops after exposure to sunlight. This rash can appear as red, itchy bumps, blisters, or patches of skin. Other symptoms may include fever, nausea, and headache.
Causes
The exact cause of PMLE is unknown, but it is believed to be an immune system reaction triggered by exposure to ultraviolet (UV) radiation. Certain individuals may be more susceptible due to genetic factors.
Treatment
Treatment for PMLE typically involves reducing exposure to sunlight and using sun-protective measures such as sunscreen and protective clothing. In some cases, medications such as corticosteroids may be prescribed to reduce inflammation and itching.
Related Terms
See Also
External links
- Medical encyclopedia article on Polymorphous light eruption
- Wikipedia's article - Polymorphous light eruption
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