Prognosis of occupational asthma.
BACKGROUND
Occupational asthma (OA), is an important clinical condition with substantial morbidity and associated costs. Since the original description of OA we have learned a great deal about the natural history. The prognosis of OA is determined by many factors. These factors and confounding variables in the presentation of OA will be presented.


RESULTS
A review of the available literature indicates that OA may have complete resolution or may persist for years following its initial presentation.


CONCLUSIONS
The importance of timely removal or adequate respiratory protection from potential sources of OA is highlighted.
Montanaro
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Division of Allergy and Clinical Immunology, Oregon Health Sciences University, Portland 97201, USA.
D001249:Asthma / Q000175:diagnosis*; D006801:Humans; D009784:Occupational Diseases / Q000175:diagnosis*; D011379:Prognosis