[Agave americana causing irritant contact dermatitis with a purpuric component].

of the hair follicles) and differentiates it from the other conditions.5 Histology of tissue obtained by curettage of a papule is sufficient to establish the definitive diagnosis. Although there are reports of GP that resolved spontaneously once the irritant was eliminated, the lesions usually persist. A number of therapeutic modalities, including topical and oral preparations of retinoids, vitamin D derivatives (calcipotriol, tacalcitol), topical corticosteroids, ammonium lactate, cryotherapy, and antibiotics have been used with variable responses.2-5 In our patient, the lesions resolved almost completely with methylprednisolone aceponate 0.1% cream twice daily for 15 days.