Often intensely itchy, the red papules and pustules can also be associated with blisters and scales and are always remote from the primary lesion.[5] It is most commonly a blistering rash with itchy vesicles on the sides of fingers and feet as a reaction to fungal infection on the feet, athlete's foot.[6] Stasis dermatitis, allergic contact dermatitis, acute irritant contact eczema and infective dermatitis have been documented as possible triggers, but the exact cause and mechanism is not fully understood.[7] Several other types of id reactions exist including erythema nodosum, erythema multiforme, Sweet's syndrome and urticaria.[3]