BENADRYL® Natural Relief Nasal Spray helps to unblock your nose and provide natural congestion relief by washing away irritants . It helps to minimise the symptoms associated with allergies such as a runny or blocked nose. This preservative-free isotonic saline solution is used for treating blocked, dry or irritated nasal passages caused by allergy (including hay fever). BENADRYL® Allergy Natural Relief Spray provides an instant cleansing effect by cleaning and moistening the nasal passages and flushing allergens out of the nose.