Treatment
No treatment is usually needed as they usually go away anywhere from months to years. The lesions may last from anywhere between 4 weeks to 34 years with an average duration of 11 months. If caused by an underlying disease or malignancy, then treating and removing the disease or malignancy will stop the lesions. It usually doesn't require treatment, but topical corticosteroids may be helpful in reducing redness, swelling and itchiness.
Some supported and not supported methods of having an effect on EAC include:
- Photosensitive so it can be moved/reduced with appropriate sunlight.
- Vitamin D
- Immune system - hence it will increase in size/number when the immune system is low or overloaded.
- Hormone Drugs
- Disulone
- Topical calcipotriol - a topical vitamin D derivative has been known to be beneficial
Read more about this topic: Erythema Annulare Centrifugum
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