Common allergens causes allergic rhinitis and bronchial asthma among hypersensitive patients in kirkuk province

Abstract

Background: Type I hypersensitivity can express itself for example, as allergic rhinitis; bronchial asthma .The prevalence of allergy is affected by age, sex, race and seasonal variation. The aim: The present study was under taken to identify the most common allergen in which patients are sensitive to, and to find the relationship between age, sex and allergic rhinitis and bronchial asthma. Methodology: Retrospective study was conducted at Allergy and Asthma Centre in Kirkuk. Information from dossiers has been taken as sex, age, diagnosis state (allergic rhinitis and bronchial asthma) and types of allergens in which the patients were sensitive to them. Results: The prevalence of type I hypersensitivity was (40.5%) in male and (59.5%) in females. Perennial type was higher than seasonal. The types of hypersensitivity in this research were less common among (6- 15) years age group than age groups (16-30) and >30 years. The results showed that incidence of seasonal allergic rhinitis and bronchial asthma was less common than perennial. House dust (HD) and house dust mite (HDM) most common causative allergens in perennial allergic rhinitis while in the seasonal allergic rhinitis was house dust and grass. Conclusion: Incidence of allergic rhinitis and bronchial asthma among age group (>30) is more common. Perennial type is more common than seasonal type among hypersensitive patients. Hypersensitivity to house dust is prominent in kirkuk province.