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Occupational asthma has been defined as asthma due to conditions attributable to work exposures, not to causes outside the workplace. This review focuses on current data on pathogenesis, evaluation, and management.

Although the quality of evidence was low, the published literature since 2006 suggests that CHEST's 2006 Cough Guidelines and management algorithms for acute, subacute, and chronic cough in adults appeared useful in diagnosing and treating patients with cough around the globe. These same algorithms have been updated to reflect the advances in cough management as of 2017.

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chronic cough are presented in algorithmic form (Fig 1-3). Guidelines with algorithms for evaluating chronic cough in pediatric patients < 15 years of age are presented in the section entitled "Guidelines for Evaluating Chronic Cough in Pediatrics" 2,4 [Fig 4, 5]. For a full discussion on how to use the algorithms, please refer to these sections. Summary and Recommendations Recommendations for each section of these guidelines are listed under their respective section titles. For an in-depth discussion or clarification of each recommendation, readers are encouraged to read the specific section in question in its entirety. Methodology and Grading of the Evidence for the Diagnosis and Management of Cough 5 • The recommendations were graded, by consensus by the panel, using the American College of Chest Physicians Health and Science Policy Grading System, which is based on the following two components: quality of evidence; and the net benefit of the diagnostic and therapeutic procedure. • The quality of evidence is rated according to the study design and strength of other methodologies used in the included studies.

WEA is a common and underrecognized adverse outcome resulting from conditions at work. Additional research is needed to improve the understanding of the risk factors for, and mechanisms and outcomes of, WEA, and to inform and evaluate preventive interventions.

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