It is not the oxygen that is flammable, it is the substance that burns. The more oxygen, the easier and faster to burn. Views Â· View Upvotes.
Dextromethorphan (DXM or DM) is an antitussive (cough suppressant) drug of the morphinan class with sedative and dissociative properties.
Dextromethorphan (DXM or DM) is an antitussive (cough suppressant) drug of the morphinan class with sedative and dissociative properties.eneric Dextromethorphan syrup. The primary use of dextromethorphan is as a cough suppressant, for the temporary relief of cough caused by minor throat and bronchial irritation (such as commonly accompanies the flu and common cold), as well as those resulting from inhaled particle irritants.