Benylin Extra Strength Dry Cough, 100 mL, has the strength to help silence your dry hacking cough. Its syrup formula helps coat and soothe your throat. Get effective relief of dry hacking cough. Packaged in bottles of 100 mL and 250 mL. Each 10 mL or 2 teaspoonfuls (tsp.) contains 30 mg of cough suppressant Dextromethorphan Hydrobromide to help control dry hacking cough. For use in Adults and children 12 years and over. Shake well before use. Use 2 tsp. (10 mL) every 6-8 hours. Maximum 8 tsp. (40 mL) day. Not recommended for children under 12 years. Be unshakeable with Benylin.Packaged in bottles of 100 mL and 250 mL. For use in Adults and children 12 years and over Use 2 tsp (10 mL) every 6-8 hours Maximum 8 tsp (40 mL) a day. Each 10 mL or 2 teaspoonfuls (tsp.) contains 30 mg of cough suppressant Dextromethorphan Hydrobromide to help control dry hacking cough. Its syrup formula helps coat and soothe your throat and provides effective relief of dry hacking cough. Benylin Extra Strength Dry Cough Syrup, 100 mL, has the strength to help silence your dry hacking cough.