This combination of cough suppressant and expectorant is used to treat cough due to colds or flu. Also, phlegm (lung secretions) may become less thick after using this medication along with fluids.

Guaifenesin is an expectorant which helps to loosen mucus. Dextromethorphan suppresses a cough. Decongestants relieve nasal stuffiness. This combination medication is used to treat a cough and relieve symptoms associated with the common cold, allergies, hay fever, sinusitis and other respiratory illnesses.

This combination medication is used to treat dry cough and nasal congestion caused by the common cold, flu, or other respiratory illness as determined by your doctor. An expectorant loosens mucus in the lungs, while the decongestant works to relieve nasal congestion. A low dose of narcotic cough suppressant works directly on the brain to decrease the urge to cough.