Meltus Adult for Chesty Coughs & Catarrh 200ml Meltus Adult for Chesty Coughs & Catarrh provides relief from coughs & catarrh associated with influenza, colds & mild throat infections without causing drowsiness. Directions Adults & children over 12 years: 5-10ml every 3-4 hours. Active Ingredients Per 5ml: Guaifenesin: 100mg, Cetylpyridinium Chloride: 2.5mg, Sucrose: 1.75g, Purified Honey: 500mg