Benylin is a bran name owned by Johnson and Johnson for a range of cough, cold, and flu medications. The flagship cough syrup and cold care brand is marketed in several countries as Benylin DM, for its active ingredient, dextromethorphan. However the range of products available in both solid dosage and liquid forms have formulations with multiple ingredients including pseudoephedrine, acetaminophen and guaifenisin.