(in each 20mL) Dextromethorphan HBr, USP 20mg - Cough Suppressant. Guaifenesin, USP 400mg - Expectorant. Anhydrous Citric Acid, Carboxymethylcellulose Sodium, Glycerin, Natural and Artificial Flavors, Natural Grade A Honey, Polyethylene Glycol, Propylene Glycol, Purified Water, Sodium Benzoate, Sodium Citrate, Sodium Gluconate, Sucralose, Xanthan Gum, Zinc Gluconate.