Brompheniramine/dextromethorphan/pseudoephedrine is an oral syrup used to treat upper respiratory symptoms, such as nasal congestion, caused by allergies or the ...

Dextromethorphan is an over-the-counter (OTC) drug that helps relieve a dry cough from a short-term cause, such as the common cold. Dextromethorphan works in the brain by reducing the urge to cough ...

A “blueprint” that reveals how the new coronavirus infects human cells and which drugs could impact that process has also led researchers to caution about a common ingredient in cough medicine.

Often, other factors are also at play. "Please see a doctor," says Green, "if your cough lasts more than seven to 10 days, ...

Dextromethorphan is a generic, over-the-counter (OTC) drug used to help relieve cough. The medication is also available as the brand-name drug Delsym. Dextromethorphan belongs to the antitussive drug ...