The year 2001 brought much essential news in the nomenclature, pathophysiology and allergic diseases therapy, especially in children. They should soon find their own place in everyday practice of allergology. However, some of them need further research. The most important news and discoveries refer to a proposal of modified allergic nomenclature, new classification of allergic rhinitis (AR) and its links with asthma, prevention of allergic diseases (breast-feeding, probiotics) and pharmacotherapy of atopic dermatitis (AD).