| White Night A homepage for a group of people who schedule group-trips together. | |
| The Third Plateau Provides harm reduction and safety information. Includes a knowledge base with various information. | |
| Poisons Information Monograph 179 International Programme on Chemical Safety document describing the effects, dangers, and case reports of adverse reactions from taking this medicine. | |
| The NCADI Reporter: Convenience Store High Article on the abuse of cough medicines. Details risks, effects, deaths, and abuse prevention. | |
| The Fourth Plateau Community based DXM site, currently centered around user forums. | |
| Erowid DXM Vault Information including research, legislation, media coverage, bibliography and links. | |
| DXM Stories Reports by users of this drug. Site run by the Partnership for a Drug-Free America. | |
| The DXM Harm Reduction Project Contains a beginner's guide, and lists dangers and known deaths from the recreational use of the drug. | |
| The Dextroverse Information and research on this over-the-counter drug. Includes trip reports, FAQ, and links. | |
| Coricidin (Dextromethorphan + Chlorpheniramine Maleate) Harm Reduction Find warnings and articles related to the dangers posed by abuse of these cough and cold tablets. | |