This ad space available. MSDS Relevance Respiratory irritation by chemical dusts or vapors in the workplace can cause or increase the formation of phlegm.
Phlegm is a general symptom of respiratory infections such as the common cold, or bronchitis .
Further Reading Visit the American Lung Association . This page is copyright 2000-2001 by ILPI . Unauthorized duplication or posting on other web sites is expressly prohibited. Use of any information on this page is at the reader's own risk. ILPI strongly encourages the reader to consult the appropriate local, state and federal agencies concerning the matters discussed herein.