annulare is self-limited and asymptomatic, treatment usually is not necessary. Nevertheless, many patients remain troubled by the appearance and persist in seeking treatment.
Options include intralesional corticosteroid injection with 2.5 to 5.0 mg per mL triamcinolone (Aristocort) into the elevated border, topical corticosteroids under occlusion, cryotherapy, and electrodesiccation. You should be aware that all of these treatments could cause scarring and atrophy.
annulare, your doctor may recommend a special kind of ultraviolet light therapy called psoralen plus ultraviolet A (PUVA). This treatment combines exposure to ultraviolet light (phototherapy) with drugs called psoralens, which help make your skin more receptive to the effects of ultraviolet light.
This therapy is given under the close supervision of a dermatologist . The major side effect of PUVA is a sunburn