In Each 20 ml Other Information: Each 20 ml contains: sodium 20 mg. Store at 68 - 77 degrees F (20 - 25 degrees C). Do not refrigerate. For ages 4 & over. Dextromethorphan HBr (cough suppressant). Guaifenesin (expectorant). Relieves: chest congestion/mucus; cough. Better tasting! (Compared to previous formula). Great grape taste. New formula. Children's Robitussin liquid is specially formulated to provide soothing action, control your child's cough plus relieve other cold symptoms. Parents: Learn about teen medicine abuse. www.StopMedicineAbuse.org. www.robitussin.com. Questions or comments? Call weekdays from 9am to 5pm EST at 1-800-762-4675. For most recent product information, visit www.robitussin.com.