SUDAFED NAT RELIEF BLOCKED NOSE SPRAY 15ML Sudafed Natural Relief Blocked Nose Spray is a preservative-free isotonic saline solution that helps unblock the nose and can be used to provide natural congestion relief for blocked, dry or irritated nasal passages caused by cold and flu, sinusitis, allergy including hay fever and post-nasal surgery. It works by rinsing and restoring moisture to the nasal passages.Pack size: 15ML