Guaifenesin Syrup: Uses, Dosage, Side Effects, Precautions and Alternates

Guaifenesin Syrup

Generic nameguaifenesin
Drug classExpectorant
FormsTablet, Extended-release tablet, Syrup/liquid, Granules/packet (Mini Melts)

Guaifenesin is an ingredient in cough and cold medicines used to help clear mucus or phlegm from your chest when you have a cold or flu. It is available both over-the-counter and on prescription.