How to treat chronic cold urticaria

Chronic cold urticaria is an allergic reaction caused by exposure to something that causes cold air to irritate pollen, dust mites, dust, smog in the air. If more than 1 month is chronic urticaria, when necessary, need to go to the hospital dermatology department to see a doctor, can draw blood test allergens, find allergens, from allergens, no longer contact allergens will not repeatedly draw blood test a week before do not eat anti-allergic drugs, will affect the test results, resulting in inaccurate test results. When necessary, you can take oral medicine, compound glycyrrhizin, skin itching granules, usually pay attention to keep warm, prevent catching cold, wear loose and fat cotton underwear, prevent cold air stimulation, eat fresh fruits, fresh chest pain, supplement vitamins, improve immunity, help the recovery of the disease treatment can slowly recover