No, Delsym (dextromethorphan polistirex) does not typically contain sodium metabisulfite as an ingredient.
The common inactive ingredients in Delsym include purified water, high fructose corn syrup, sucrose, xanthan gum, flavor, citric acid, and coloring agents, but sodium metabisulfite is not listed among them.
If you have specific allergies or sensitivities, it is always best to check the packaging or contact the manufacturer for the most accurate and up-to-date ingredient information.
