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.
WHAT IS A DEXTROMETHORPHAN (DXM) DRUG TEST? Dextromethorphan (DXM) is an antitussive (cough suppressant) medication that is generally found in many over-the-counter cold and cough medications. When taken as prescribed on the label side effects are mild and include fever, dizziness, nausea, vomiting, pupil dilation and excessive sweating.