Menthol (5.8 mg). Purpose: cough suppressant, oral anesthetic. Inactive ingredients: acesulfame potassium, aspartame, eucalyptus oil, fd&c blue 1, fd&c red 40, flavor, isomalt, sodium carboxymethylcellulose, soy lecithin, water.
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.