BENADRYL ALLERGY NAT RELIEF NASAL SPRAY 15ML BENADRYL® Allergy Natural Relief Nasal Spray - Preservative free – Suitable from birth. Helps unblock the nose and can be used to provide natural relief from congestion caused by allergy, Preservative-free isotonic saline solution used for treating blocked, dry or irritated nasal passages caused by allergy (including hay fever).Pack size: 15ML