Other Information: Store at 68 to 77 degrees F (20 to 25 degrees C). Each 5 ml contains: sodium 5 mg. Dosing cup provided. Misc: For children & adults. Age 4+. 12 hour cough relief. Dextromethorphan. Polistirex. Extended-release oral suspension. Cough suppressant. Dosing cup included. Contains sodium metabisulfite, a sulfite that may cause allergic-type reactions. Alcohol-free. Quality guaranteed. Compare to Children's Delsym active ingredient (This product is not manufactured or distributed by Reckitt Benckiser, distributor of Children's Delsym). Questions or comments? Call 1-888-423-0139. You may also report side effects to this phone number. Quality guaranteed. Gluten free.