Abstract
Background: flour dust is a respiratory sensitizer and chronic exposure to it could affect the pulmonary functions and stimulate allergic responses. Objectives: the objectives of this study were to: a) study the association between chronic exposure to flour among bakers and the prevalence of work related respiratory and allergic symptoms, b) assess allergic reaction to flour dust using Skin Prick Test (SPT), c) evaluate the existence of dose-response relationship between exposure to flour and the pulmonary function tests among Bakers. Subjects and Methods: The study was carried out on 60 bakers working at different bakeries at Dekernis, Dakahlia Governorate, Egypt; and 30 control subjects. All participants were submitted to a self administered questionnaire on respiratory symptoms, general medical examination, chest examination; spirometry and SPT. Results: All work related respiratory symptoms were more prevalent among bakers compared to the controls (P Keywords: respiratory, allergic, skin prick test, flour , bakers
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