Summary

Dextromethorphan is an opioid agonist used primarily for cough suppression. Because it causes less opioid-related sedation and respiratory depression, dextromethorphan can be very useful for symptomatic relief of cough.

Key Points

• Dextromethorphan
  • Mechanism
    • Opioid receptor agonist
  • Clinical Use
    • Cough suppressant / antitussive
      • It’s the main ingredient in Robitussin