Methods: Cross-sectional description study of 855 children 6 - 14 years old with allergic rhinitis through the assessment of changes in Immunoglobulin E and Immunoglobulin G Results: Level of immunoglobulin E concentrations in the blood increased, fluctuating quite large, average 558.92 ± 366.56 UI / ml, smallest 366.56 UI / ml and the maximum 1475.89 UI / ml.