PREVALENCE OF ALLERGEN SENSITIVITY IN NASOBRONCHIAL ALLERGY IN GUJARAT, INDIA

Abstract

Background: Respiratory allergy accounts for a significant burden of allergy all over the world. The prevalence of nasobronchial allergy is increasing globally. India has huge diversity in allergens in different region as it is a climatically diverse country.

Objective: To study skin reactivity to various allergens in patients of nasobronchial allergy.

Methods: Retrospective analysis was done of the patients of allergic rhinitis, bronchial asthma or both who underwent for skin prick test for all following three groups of allergens: pollens, dust and insects. Patients aged < 12 years of age were excluded from the analysis.

Results: Amongst all allergens studied, insect group of allergens were more predominant. Most predominant allergen was moth (41.67%) followed by yellow wasp (37.5%), housefly (37.5%) and mosquito (33.33%). Amongst pollen group of allergen, most predominant allergens were Cassia Siamea (29.17%) followed by Morus Alba (25%) and Ricinus Communis (25%). Amongst dust group of allergen, most predominant allergens were Grain dust wheat (20.83%) and house dust (20.83%).

Conclusion: In Gujarat insects allergens are most common in nasobronchial allergy and Moth being the commonest amongst insects.