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.