What Type Of Drug Is Guaifenesin?
What Type Of Drug Is Guaifenesin? Guaifenesin is in a class of medications called expectorants. It works by thinning the mucus in the air passages to make it easier to cough up the mucus and clear the airways. Is guaifenesin cough syrup? Guaifenesin is used to treat coughs and congestion caused by the common cold,