Allergies are a large group of diseases characterized by complexity and diversity. Their expression depends on various genetic components and environmental factors.
Purpose:The aim of the study is to characterize allergies and their potential relationships with the gender, age and blood groups among the reproductive population in Bulgaria. Material and methods: Individuals, between 18 and 59 years are included in the study. They voluntarily have filled out a questionnaire, giving disease information after being diagnosed by a physician. Blood type (AB0 and Rh) have been determined in laboratory conditions by a routine technique. A software package SPSS, version 22.0 has been used for the statistical analysis. Results: Among the participants, the manifestation of allergies in both sexes is similar with some difference in the age category over 44. Allergies occur most often in individuals with blood group A. No differences were found concerning among people with Rh+ and Rh-blood groups. Conclusions: The male sex in combination with the age over 44 years and the blood group A for both sexes could be accepted as risk factors for the manifestation of the allergies in the studied population