Would this be the right stuff?
http://www.vicks.com/products/nature...cough-remedy/#
Active Ingredients (in each 30 mL dose cup)
Dextromethorphan HBr 30 mg (Cough suppressant)
Inactive Ingredients
Citric acid, flavor, glycerin, high fructose corn syrup, honey, polyethylene glycol, propylene glycol, purified water, sodium citrate
It does have high fructose corn syrup which isn't very good for you though.
Trixiedee