Benylin Extra Strength Cough and Chest Congestion Syrup, 100 mL, is specially formulated to work in your chest to help clear out congestion while helping to relieve cough. Menthol relieves your sore throat pain. Get fast, effective relief of cough with phlegm, chest congestion, and sore throat pain. Each 5mL or 1 teaspoonful (tsp.) contains 15 mg of cough suppressant Dextromethorphan Hydrobromide to control dry cough, 200 mg of expectorant Guaifenesin to relieve chest congestion, and 15 mg of analgesic Menthol to relieve sore throat pain. For Adult and children 12 and over only. Shake well before using. Use 2 tsp. (10 mL) every 6 hours for a maximum of 8 tsp. (40 mL) a day. Be unshakeable with Benylin.