Multi-Action Actifed Chesty Coughs Multi-Action Actifed Chesty Coughs relieves the symptoms of colds & flu including runny nose, watery eyes, nasal congestion, blocked sinuses & a chesty cough in adults & children aged 12 years & over. It contains three active ingredients: Pseudoephedrine hydrochloride: a decongestant that relieves nasal & sinus congestion. Triprolidine hydrochloride: an antihistamine that helps stop sneezing, runny nose & watery eyes. Guaifenesin: an expectorant that helps to loosen the mucus in your throat & chest.