Last reviewed · How we verify
Dextromethorphan hydrobromide with guaifenesin — Competitive Intelligence Brief
marketed
Antitussive/expectorant combination
Sigma-1 receptor, NMDA receptor (dextromethorphan); non-specific expectorant mechanism (guaifenesin)
Respiratory/Cough
Small molecule
Live · refreshed every 30 min
Target snapshot
Dextromethorphan hydrobromide with guaifenesin (Dextromethorphan hydrobromide with guaifenesin) — Washington University School of Medicine. Dextromethorphan suppresses cough by acting as a non-opioid antitussive agent in the central nervous system, while guaifenesin thins mucus to facilitate clearance.
Comparator set
| Drug | Generic | Sponsor | Phase | Class | Target | Approval / PDUFA |
|---|---|---|---|---|---|---|
| Dextromethorphan hydrobromide with guaifenesin TARGET | Dextromethorphan hydrobromide with guaifenesin | Washington University School of Medicine | marketed | Antitussive/expectorant combination | Sigma-1 receptor, NMDA receptor (dextromethorphan); non-specific expectorant mechanism (guaifenesin) |
Recent regulatory actions (last 90 days)
Upcoming PDUFA dates (next 180 days)
Patent timeline (forward window)
Sponsor landscape (Antitussive/expectorant combination class)
- Washington University School of Medicine · 1 drug in this class
Subscribe to ongoing alerts
Push every new event for this competitive set into your RSS reader, IFTTT/Zapier workflow, or email digest:
- Dextromethorphan hydrobromide with guaifenesin CI watch — RSS
- Dextromethorphan hydrobromide with guaifenesin CI watch — Atom
- Dextromethorphan hydrobromide with guaifenesin CI watch — JSON
- Dextromethorphan hydrobromide with guaifenesin alone — RSS
- Whole Antitussive/expectorant combination class — RSS
Cite this brief
Drug Landscape (2026). Dextromethorphan hydrobromide with guaifenesin — Competitive Intelligence Brief. https://druglandscape.com/ci/dextromethorphan-hydrobromide-with-guaifenesin. Accessed 2026-05-17.
Build your own brief
Pick any drug + add comparators:
https://druglandscape.com/ci/{slug}— auto-detected competitorshttps://druglandscape.com/ci/{slug}?vs=drug1,drug2,drug3— explicit comparators- Brand names auto-resolve:
/ci/keytruda→ 301 →/ci/pembrolizumab