Unfortunately, the abuse of over-the-counter (OTC) products by teens is a long-standing issue. This includes the abuse of products containing Dextromethorphan, one of the active ingredients in Coricidin® HBP Cough & Cold. When used as directed, dextromethorphan is a safe and effective cough suppressant found in more than 125 over-the-counter products and has been used for more than 47 years. Dextromethorphan is the most commonly used OTC cough suppressant.