Acetylcysteine, for example, disrupts the disulfide bonds that give mucus its gel-like properties. By breaking apart these bonds, acetylcysteine transforms thick mucus into a more fluid substance, making it easier for the respiratory tract to clear it through coughing. Guaifenesin works in a slightly different manner by increasing the volume of respiratory tract fluid, thereby thinning mucus and promoting expectoration.
mucolytic expectorant meaning
