adrenergic urticaria adrenergic urticaria adrenergic urticaria is a skin condition characterized by an eruption consisting of small (1-5mm) red macules and papules with a pale halo, appearing within 10 to 15 min after emotional upset.: 154 there have been 10 cases described in medical literature, and involve a trigger (coffee, intense emotions) followed by a rise in catechomines and ige. treatment involves propranolol and trigger avoidance. adrenergic urticariaspecialtydermatology