Guaifenesin

Guaifenesin

Guaifenesin is an expectorant available in over-the-counter (OTC) medicines that make coughs more productive by loosening chest congestion and ridding the airways of bothersome mucus. Guaifenesin can be the only active ingredient in a cough medicine, or it can be found in multi-symptom cough and cold products. Guaifenesin may also be found in medicines that […]

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