According to World Health Organization, over the last 10 years in Russia the number of patients with allergic diseases was considerably enlarged. An allergy every fourth child suffers. Patients with illnesses of respiratory organs (66 %) prevail; the food allergy meets at 20 %, an allergic rhinitis – 9 %, medicinal allergy – 4 %, allergic reactions to a sting of insects – at 1 % of patients.