Multi action actifed chesty coughs relieves the symptoms of colds and flu including runny nose watery eyes nasal congestion blocked sinuses and a chesty cough it contains guaifenesin an expectorant to help loosen mucus phlegm from the lungs and make it easier to cough up pseudoephedrine a decongestant to help reduce nasal and sinus congestion and clear catarrh and triprolidine an antihistamine to help stop sneezing runny nose and watery eyes