Novartis Consumer Health: Triaminic Vapor Patch Recall
Recall notice from the manufacturer of the Triaminic Vapor Patch.

Public Health Advisory: Consumers Should Not Use Triaminic Vapor Patch
From the U.S. Food and Drug Administration (FDA).

MedlinePlus: Cough
Cough diagnosis/symptoms, treatment, and other information from the U.S. National Library of Medicine and the National Institutes of Health.