Erythema Annulare Centrifugum

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  • Probably a type of hypersensitivity reaction
    • Superficial type which is itchy and has a trailing scale
    • Deep type which is not itchy and has a cord-like border with minimal/no dermal change


  • Could try azithromycin 250mg once daily until resolution or maximum of 3 weeks (Azithromycin in EAC, Clin Exp Dermatol (2018) 43, pp296-299)