Dextromethorphan relieves coughing symptoms caused by respiratory tract infections and other conditions. This medication should only be used to relieve cough symptoms caused by acute illnesses like the common cold or the flu. It should not be used to treat coughing symptoms caused by chronic illnesses like chronic obstructive pulmonary disease (COPD), asthma, or emphysema.
Some strengths of dextromethorphan are available over the counter, meaning they can be purchased without a prescription. Other strengths, or certain formulations containing dextromethorphan, require a written prescription from a licensed healthcare provider. Dextromethorphan is available in generic form as dextromethorphan or under various brand names, such as Delsym and Vicks Cough Relief. It’s important to note that these medicines may contain other drugs. Be sure to read the packaging of your medication so you are aware of its active ingredients.