How Long Does “DXM” Stay In Your System?
DXM (Dextromethorphan) is an antitussive agent comprised solely of a methylated dextrorotatory analogue of levorphanol, a semisynthetic non-opioid morphine derivative. It is classified as a “morphinan” drug and is an active ingredient within many over-the-counter (OTC) formulations utilized to treat allergies, coughing, influenza, and more. Examples of several popular over-the-counter formulations with DXM as an …