“…Treat ments used include topical and oral corticosteroids [2], dapsone [2][3][4][5], oxyphenbutazone, aspirin, colchicine, glycyrrhizin [2], minocycline [2,6], isotretinoin [7] as well as indomethacin [8][9][10], The rationale for using indomethacin was suggested by Takematsu and Tagami [11].…”