Occupational asthma due to exposure to iroko wood dust

Background Occupational asthma (OA) from iroko wood has been reported primarily in case reports. Objective To improve understanding of the pathogenesis of OA induced by iroko wood dust. Methods Three groups of woodworkers were included in this study: 9 workers who had clinically proven OA from iroko; 10 asymptomatic woodworkers; and 10 woodworkers with asthma. All patients underwent the following tests: a skin test with an iroko aqueous extract,...