The Fourth Plateau
- Community based DXM site, currently centered around user forums.
- http://www.fourth-plateau.org/

DXM Stories
- Reports by users of this drug. Site run by the Partnership for a Drug-Free America.
- http://www.dxmstories.com/

The Dextroverse
- Information and research on this over-the-counter drug. Includes trip reports, FAQ, and links.
- http://www.dextroverse.org

Poisons Information Monograph 179
- International Programme on Chemical Safety document describing the effects, dangers, and case reports of adverse reactions from taking this medicine.
- http://www.inchem.org/documents/pims/pharm/pim179.htm

The Third Plateau
- Provides harm reduction and safety information. Includes a knowledge base with various information.
- http://www.third-plateau.org

Erowid DXM Vault
- Information including research, legislation, media coverage, bibliography and links.
- http://www.erowid.org/chemicals/dxm/