Liquid Cough Syrup

There are many types of cough syrup on the market today, but only one that contains a special ingredient that has been clinically proven to reduce cough duration by about half. This special ingredient is guaifenesin, which is an expectorant that works by loosening phlegm and mucus, thereby making it easier to cough up. The american academy of pediatrics says that guaifenesin is a safe and effective cough suppressant. The active ingredient in this syrup is guaifenesin, which is an expectorant that works by loosening phlegm and mucus, thereby making it easier to cough up. The american academy of pediatrics says that guaifenesin is a safe and effective cough suppressant. Cough syrup is a medication that is used to suppress coughs. Cough syrup is a combination of a decongestant and an expectorant.