What is itching lips?

If the lips itch, skin appearance does not change significantly, consider for the perioral skin pruritus, this is caused by contact with some allergic factors, severe itching parts will also show ulceration erosion, papules, erythema and other clinical symptoms, patients usually pay attention to diet rules, eat less spicy, irritating and other foods easy to cause fire, but also under the guidance of doctors oral administration of some anti-allergic drugs. If itchy lips are accompanied by marked swelling, consider angioneurotic edema, which significantly reduces the permeability of subcutaneous capillaries, causing itchy lips. If isolated, densely packed blisters are also present around the lips, consider herpes simplex virus.