single-ingredient, extended-release guaifenesin products

January 2004

There's lots of confusion about single-ingredient, extended-release guaifenesin products...Mucinex, Humibid LA, and others.

These products contain high doses of guaifenesin. They are only MILDLY effective for loosening mucus due to chronic bronchitis, asthma, COPD, etc.

Mucinex is now the only single-ingredient, extended-release guaifenesin on the market. It's available OTC.

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