Face allergic, red and itchy

The patient shows the phenomenon of facial allergy red itching, usually caused by skin allergy, the reason may be exposure to allergens, such as pollen dust mites, or diet drugs and other factors caused. In the treatment time need to find the cause, and then prevent contact with allergens, use some anti-allergic drugs to treat, can effectively alleviate symptoms, if facial allergy, medication must be used according to medical advice. Allergy is due to allergens into the body after the production of corresponding antibodies, caused by antigen-antibody reaction, manifested as erythema, wheals or papules, etc., but also accompanied by itching problems. Antipruritic can be under the guidance of a doctor topical antiallergic drugs, calamine lotion.