Cetirizine hydrochlorideone a dayrelief from hayfever and other allergiesone a day relief from hayfever and other allergieszirtek allergy offers once daily relief from symptoms such as sneezing a runny blocked up nose itchy and watery eyes as a result of hayfever or other allergies eg dust mould and pet allergies also relieves the symptoms of urticaria hives and itchy skin rasheszirtek is a registered trademark