Zirtek Hayfever Tablets | Allergy Relief Cetirizine Antihistamine Tablets | 60 Allergy Tablets 10Mg | 24 Hour Relief for Hayfever Dust Pets Runny Nose & Hives | Adults and Children over 6. Allergy Tablet cetirizine hydrochloride 10mg can be used to relieve the symptoms of allergies caused by hayfever, dust, pets, and hives (urticaria).