Benylin Mucus Cough Plus Decongestant Syrup Benylin Mucus Cough Plus Decongestant Syrup loosens stubborn mucus & clears chesty coughs. Benylin Mucus Cough Syrup also relieves nasal congestion, catarrh & blocked sinuses. Non-Drowsy Formulation. Directions Adults & children aged 12 years & over: Two 5ml spoonfuls every 4-6 hours. Do not take more than 4 doses in 24 hours. Do not give to children under 12 years. Ingredients Each 5ml of liquid contains: Guaifenesin 100mg, Pseudoephedrine hydrochloride 30mg. Other ingredients: Sucrose, methyl hydroxybenzoate, propyl hydroxybenzoate, ethanol 5% v/v, glycerol, colourings (E124, E110). Warnings Do not exceed the stated dose. As with all similar medicines, if you are pregnant or breast-feeding, or currently taking any other medicines, consult your doctor or pharmacist before taking this product, or if symptoms persist.