The Prevalence of Allergic Rhinitis, Eczema and Asthma in Students of Guidance Schools in Mazandaran Province, Iran.

Background: Eczema, allergic rhinitis and asthma are common chronic allergic disorders in childhood.

Aim: The aim of this study was to determine the prevalence of common allergic disorders among Iranian guidance schools students in Mazandaran Province, northern Iran.

Methods: This analytical cross-sectional study was performed on 3000 children aged 11-14 years old during 2012-13 according to ISAAC study. Of 3000 recruited children 1576 (52.54%) were female and 1424 (47.46%) were male. Data gathered by ISAAC first phase questionnaire analysed by SPSS software 20.

Results: The prevalence of wheezing, allergic rhinitis symptoms (sneezing and pruritus) and atopic dermatitis symptoms (pruritus skin lesion) were 30.5%, 30% and 15% respectively. History of pets contact and smoking was positive 6.6% and 36 % respectively. About 52% was born with caesarian section. There was wheezing in 32.5% during sport. The diagnosis of asthma, allergic rhinitis and eczema were 12.2%, 28.5% and 15% respectively. Eczema, asthma and allergic rhinitis were significantly more common in boys students (p < 0.05).

Conclusions: The results of this study showed that asthma, allergic rhinitis and eczema have a high prevalence and they are more common in boys.