Dextromethorphan is a cough suppressant used to relieve a dry, hacking cough.

Dextromethorphan is a cough suppressant. Decongestants relieve nasal stuffiness. This combination medication is used to treat symptoms associated with the common cold, allergies, hay fever, sinusitis and other respiratory illnesses.

Guaifenesin is an expectorant which helps to loosen mucus. Dextromethorphan is a cough suppressant. This combination medication is used to treat a cough associated with the common cold, allergies and other respiratory illnesses.