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Lung India Official publication of Indian Chest Society  
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Year : 2009  |  Volume : 26  |  Issue : 3  |  Page : 70-73

A study of skin sensitivity to various allergens by skin prick test in patients of nasobronchial allergy

1 Department of Pulmonary Medicine, K.G. Medical University, Lucknow, UP, India
2 Department of ENT, K.G. Medical University, Lucknow, UP, India

Correspondence Address:
R Prasad
Department of Pulmonary Medicine, K. G. Medical University, Lucknow, UP
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Source of Support: None, Conflict of Interest: None

DOI: 10.4103/0970-2113.53228

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Objective: To study skin sensitivity to various allergens in patients of nasobronchial allergy. Materials and Methods: 2880 skin prick tests with 60 allergens were performed in 48 patients of nasobronchial allergy. Results: Most common offending allergens were insects (21.2%), followed by dusts (12.0%), pollens (7.8%), animal dander (3.1%), and fungi (1.3%). The common insect antigen were locust female (33.3%) followed by locust male (25%), grasshopper (20.8%), cricket (16.7%), cockroach female (16.7%) and cockroach male (14.6%). Common dust allergens were house dust, wheat dust, cotton mill and paper dust. Among pollens, Amaranthus spinosus, Argemone mexicana, Adhatoda vasica, Ailanthus and Cannabis were found to be common allergens. In animal danders common offending allergens were cow dander and dog dander. Among fungi Aspergillus fumigatus, Aspergillus flavus, Alternaria teneis and Fusarium sodani were common allergens. Patients of bronchial asthma had associated allergic rhinitis in 80% cases. Conclusion: Common allergens in patients of nasobronchial allergy were identified. The data may prove useful in of allergen avoidance and immunotherapy in these patients.

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