Other Information: Store at 20 degrees to 25 degrees C (68 degrees to 77 degrees F). Misc: Dextromethorphan polistirex. Extended-release oral suspension cough suppressant. Dosing cup included. Contains sodium metabisulfite, a sulfite that may cause allergic-type reactions. 12 hour cough relief. Alcohol free day or night. Compare to Delsym active ingredient (This product is not manufactured or distributed by Reckitt Benckiser, distributor of Delsym). Our pharmacist recommended. Gluten free. Parents: Learn about teen medicine abuse. www.StopMedicineAbuse.org Questions? 1-888-423-0139. www.topcarebrand.com. Quality guaranteed.