This medication works to loosen phlegm and mucous in the lungs. It is used to relieve a dry, nonproductive cough and enables "coughing up" of mucous.

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.

Guaifenesin and potassium guaiacolsulfonate are expectorants which help to loosen mucus. Dextromethorphan is a cough suppressant. This combination of medicines is used to treat cough due to colds, flu, hay fever, asthma, and other respiratory illness (e.g., sinusitis, pharyngitis, bronchitis). Also, phlegm (lung secretions) may become less thick after using this medication along with fluids.

This drug is used to relieve a dry cough and helps to loosen phlegm and mucous in the lungs so you can "cough-up" (expectorate) mucous.

Guaifenesin is an expectorant which helps to loosen mucus. Potassium guaiacolsulfonate is also an expectorant. This combination medication is used to treat a cough associated with the common cold, asthma, and other respiratory illnesses (e.g., sinusitis, pharyngitis, bronchitis).