Dextromethorphan Hydrobromide, or DXM, is a psychedelic dissociative drug. It has a number of medical uses, mainly as an antitussive (cough supressant), and possibly to ease heroin withdrawl or as an antidepressant. Psychoactive doses range from 100mg to 1000mg, however some users pass even this dose level. The DXM FAQ is probably the most extensive drug FAQ ever. Check it out for almost anything you could ever posibly want to know about DXM. For additional information, stories, sources, extraction methods, etc...check out the DXM zine.