guaifenesin

guaifenesin definition - medical

guai·fen·e·sin (gwī-fĕnˈə-sĭn)

noun
An expectorant drug used to thin mucus and sputum.

The American Heritage® Medical Dictionary Copyright © 2009 by Houghton Mifflin Harcourt Publishing Company. Published by Houghton Mifflin Harcourt Publishing Company. All rights reserved.

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