In Each 20 ml Other Information: Each 20 ml Contains: sodium 12 mg. Store at 20-25 degrees C (68-77 degrees F). Do not refrigerate. For ages 12+. Dextromethorphan HBr (Cough suppressant). Guaifenesin (Expectorant). Controls cough relieves chest congestion. Thins & loosens mucus. Maximum strength per 4-hour dose. www.delsym.com. Questions? 1-866-682-4639. You may also report side effects to this phone number. Please visit our website www.delysm.com. Parents: Learn about teen medicine abuse. www.StopMedicineAbuse.org. Made in England.