Covonia Chesty Cough Mixture Mentholated Covonia Chesty Cough Mixture Mentholated relieves the symptoms of chesty coughs & sore throats. Ingredients Active ingredients: Levomenthol (4mg/5ml), Squill Tincture (0.6ml/5ml) & Liquorice Liquid Extract (0.125ml/5ml). Other ingredients: Ethanol, Sucrose, Glucose, Glycerol (E422) & Sodium Parahydroxybenzoates (E215, E219). Directions Over 12 years: 5-10ml. May be repeated after 4 hours if required. Children 5-12 years: 5ml. May be repeated after 4 hours if required. Under 5 years: Not recommended.