Zyrtec Hayfever & Allergy mini tablets contain cetirizine, which provides rapid acting 24 hour relief from the symptoms of hayfever & allergies. No hayfever tablet works faster*. *Research conducted and funded by Zyrtec. The Onset of Action of Cetirizine Compared to Antihistamines in Allergic Rhinitis. March 2022. Available at Zyrtec.com.au/references. Zyrtec Rapid Acting 24 hour Hayfever & Allergy Relief Antihistamine Mini Tablets relieve hayfever & allergy symptoms and are small and easy to swallow. When your immune system takes offence to an outside particle or substance, your body produces antibodies to attack this normally harmless substance by releasing a chemical called histamine. Zyrtec contains the active ingredient, cetirizine, which helps to block the production of histamines to relieve symptoms of hayfever and year round allergies. Cetirizine is part of a class of medications called antihistamines. Zyrtec Hayfever & Allergy Mini Tablets provide fast powerful 24 hour relief of hayfever & allergy symptoms, including: - Sneezing - Runny, itchy nose - Red, itchy and watery eyes - Hives and itchy skin rash - Post nasal drip Zyrtec is effective against seasonal hayfever & year round allergy triggers, such as: - Pollen - Pet Dander - Dust - Mould Suitable For: Relief of hayfever allergy symptoms: - Sneezing - Runny nose - Itchy nose - Red / itchy / watery eyes Boxed Contents: 70 mini tablets Fragrance: No Shelf Life in Days: 1095 days