Dextromethorphan is used to temporarily relieve cough caused by the common cold, the flu, or other conditions. Dextromethorphan will relieve a cough but will not treat the cause of the cough or speed recovery. Dextromethorphan is in a class of medications called antitussives. It works by decreasing activity in the part of the brain that causes coughing.
Tolnaftate stops the growth of fungi that cause skin infections, including athlete's foot, jock itch, and ringworm. This medication is sometimes prescribed for other uses; ask your doctor or pharmacist for more information.