(in each 5 ml tsp) active ingredients: dextromethorphan hbr (10 mg), cough suppressant; guaifensin (100 mg), expectorant; phenylephrine hci (5 mg), nasal decongestant. Inactive ingredients: anhydrous citric acid, fd&c yellow 6, flavor, glycerin, honey, propylene glycol, purified water, sodium benzoate, sorbitol solution, sucralose, xanthan gum.
Manufacturer likely did not include an allergen statement; however, please double-check the product packaging and/or contact the manufacturer if you have a severe food allergy.