PLEASE NOTE THAT FREE DELIVERY ONLY APPLIES WHEN ITEM IS ORDERED ALONE OR ONLY WITH OTHER ITEMS MARKED SPECIFICALLY AS SUCH. You will not receive free delivery if this item is ordered with items not advertised as such. Cetirizine 10mg antihistamine tablets are an excellent treatment for people suffering from hay fever (seasonal allergic rhinitis), perennial allergic rhinitis (a similar condition to hay fever caused by allergies, that continues throughout the year) & urticaria (swelling, redness & itchiness of the skin). Branded versions include Zirtek & Piriteze. Product images shown are for illustration purposes only & may differ from actual product appearance. Please note that free delivery only applies when this product is purchased alone or with other free delivery items. Free delivery only applies to 2nd class post. Please note that free delivery only applies when a product marked as such is ordered alone or with other free delivery products. Packaging may vary. Cetirizine Hydrochloride & Dihydrochloride are medically interchangeable & work exactly the same.