Youth Substance Misuse

What is DXM? Dextromethorphan (DXM) is the active ingredient in most over-the-counter (OTC) cough medicines. Approved by the U.S. Food and Drug Administration in the 1950s, DXM is the most widely used cough suppressant in the United States. Millions of Americans rely on OTC cough medicines containing DXM for cough relief. When taken as directed, these medicines are safe and effective. However, when taken in excessive amounts higher than recommended doses, DXM can produce dan