Abstract
Introduction. The atopic march is the natural course of development of atopy symptoms. It is characterized by a typical sequence of development of clinical symptoms of atopic disease, when some symptoms become more significant, others are recede. Timely allergological diagnostics with the identification of causal allergens allows to preventor suspend the atopic march. Purpose of the study was to demonstrate the stages of the atopic march formation and clinical manifestations of atopy, the importance of on timely detection of causal allergens, the capability of modern diagnostics and treatment of severe resistant forms of allergic diseases.