Erythema multiforme major
Erythema Multiforme Major
Erythema multiforme major (pronunciation: eh-RITH-eh-muh mul-tee-FOR-may MAY-jor), often abbreviated as EMM, is a severe form of Erythema multiforme, a skin condition characterized by symmetric, red, patchy lesions, primarily located on the arms, legs, palms of the hands, and soles of the feet.
Etymology
The term "Erythema multiforme major" is derived from the Greek words "erythros" (red), "multi" (many), and "formis" (shape), and the Latin word "major" (greater). This name reflects the condition's characteristic presentation of many red, varied-shaped lesions that are more severe than those seen in the minor form of the disease.
Symptoms
The primary symptom of EMM is the sudden onset of red, often itchy or painful, skin lesions. These lesions can take various forms, including macules, papules, vesicles, and bullae. Other symptoms may include fever, general discomfort (malaise), joint aches, and mouth sores.
Causes
EMM is usually triggered by an infection, most commonly the Herpes simplex virus. However, it can also be caused by other viruses, bacteria, or even certain medications.
Diagnosis
Diagnosis of EMM is typically based on the characteristic appearance of the skin lesions. In some cases, a skin biopsy may be performed to confirm the diagnosis.
Treatment
Treatment of EMM primarily involves addressing the underlying cause, such as treating the triggering infection or discontinuing the causative medication. Supportive care, including pain management and prevention of secondary infections, is also important.
Related Terms
See Also
External links
- Medical encyclopedia article on Erythema multiforme major
- Wikipedia's article - Erythema multiforme major
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