SILVER SPRING, Maryland (Reuters) - Over-the-counter cold medicines made with phenylephrine appear effective for relieving nasal congestion in adults but the ingredient needs more study, a U.S. advisory panel said on Friday.Phenylephrine was substituted for pseudoephedrine in many nonprescription cold and allergy medicines, including Johnson & Johnson’s Sudafed PE, after the latter ingredient was restricted amid reports of abuse.
