Aerius Contains Desloratadine, An Antihistamine That Is Effective In Cases Of Allergies, Itching, Allergic Rhinitis, Congestion, And Runny Nose. It Is Also Effective For Treating Dry Cough. The Use: Skin Sensitivity And Itching Congestion And Sensitivity Of The Nose Runny Nose And Flu Cases Of Dry Cough And Chest Allergy.