According officials at Hyland???s, DEFEND can be used to safely and effectively alleviate common cold and sinus-related symptoms in adults without diphenhydramine, dextromethorphan or phenylephrine. ???DEFEND Cold & Cough soothes symptoms including nasal congestion, cough, sore throat and sneezing in a non-drowsy liquid formula that is ideal for daytime relief,??? says Les Hamilton, vice president