Nasal Mist No-Drip 12-Hour Severe Congestion Spray, 1 oz, QC98846 Sale! This item is currently on backorder but you can still purchase it now and we'll ship as soon as more become available. Compare to the Active Ingredient in Afrin No Drip Severe Congestion. Temporarily relieves nasal and sinus congestion and pressure due to the common cold, hay fever, and upper respiratory allergies. Rapidly shrinks swollen nasal membranes so you can breathe more freely. 12-hour relief.