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Definition of Expectorants

By , About.com Guide

Updated April 30, 2009

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Definition: Expectorants are a type of cough medicine that help loosen mucus in your lungs, making your cough more effective. When your cough is more effective, it is also more productive, meaning it becomes easier to cough up mucus and its associated bacteria. Clearing your lungs of mucus and bacteria can help prevent certain illnesses such as pneumonia.

The following are some examples of expectorants:

Also Known As: Cough Medicine
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