U.S. Food and Drug Administration: "Use Caution with Cough and Cold Medicines for Children."
FDA: Public Health Advisory: "Nonprescription cold and cough medicine use in children."
Medline Plus: "FDA to Review Safety of Cold Remedies for Kids."
Family Doctor: "Medicine and Your Child: How to Give Your Child Medicine."
Kids Health: "Cough and Cold Medicine Abuse."
Medline Plus: "Flu."
Medline Plus: "Common Cold."