Zyrtec Allergy Relief Tablets are a 24-hour antihistamine that delivers fast relief when unwelcome allergy symptoms make an appearance. These tablets are used to relieve symptoms like a runny nose along with sneezing and itchy, watery eyes. This allergy medicine starts working at hour 1, and you can count on this antihistamine medication to deliver a full day and night of relief from your worst symptoms. These cetirizine tablets are for adults and suitable for children 6 years of age and older. It provides relief from symptoms caused by indoor allergens from dust, mold, and pet dander as well as outdoor allergens like tree pollen, weeds, and grasses. Zyrtec cetirizine 10mg is a versatile 24-hour allergy medicine that temporarily relieves sneezing, runny nose, itchy, watery eyes and itching of the nose or throat. As an oral antihistamine, these tablets are taken to relieve allergy symptoms throughout the day and night. Zyrtec 10mg tablets start working as fast at hour 1 to give allergy relief all season long so you can be comfortable at work, school, when traveling, or simply taking a walk. This is a Number 1 allergist recommended allergy brand among OTC oral antihistamines, so you know you’re getting antihistamine tablets that measure up. Plus, Zyrtec allergy medicine may be HSA/FSA-eligible. Check your plan for details as plans may vary. IQVIA Survey Oct 2025 **starts working at hour 1
