Guaifenesin is an expectorant. It helps loosen congestion in your chest and throat, making it easier to cough out through your mouth...learn more »

Guaifenesin is an expectorant. It helps loosen congestion in your chest and throat, making it easier to cough out through your mouth...learn more »

Dextromethorphan is a cough suppressant. It affects the signals in the brain that trigger cough reflex...learn more »