Benylin Mucus Cough When you are suffering from a deep, chesty cough, but still want to get on with your normal daily routine, Benylin Mucus Cough works deep down to loosen phlegm, clear bronchial congestion & make your cough more productive. Non-Drowsy Formulation. Directions Adults & Children aged 12 years & over: Two 5ml spoonfuls four times a day. Do not use more than 4 doses in 24 hours. Do not use in children under 12 years. Do not exceed the stated dose. As with all similar medicine, if you are pregnant or breast-feeding, consult you doctor or pharmacist before taking this product, or if symptoms persist. Ingredients Each 5ml of cough syrup contains: Guaifenesin 100mg & Levomenthol 1.1mg. Other ingredients: Liquid glucose, sucrose, ethanol. This product contains 5 vol % ethanol. Sodium content 16.42mg/5ml.