Compare to Zyrtec Tablets active ingredient. Don’t let allergy symptoms slow you down. Relieve your indoor, outdoor and pet allergies with  24 Hour Allergy. Each dose contains 10 mg of cetirizine hydrochloride, a powerful antihistamine that relieves itchy, watery eyes; sneezing; itchy nose or throat and runny nose. In full prescription strength, just one tablet provides all day allergy relief. When used as directed by adults and children 6 years and over, this allergy medicine provides effective relief for symptoms due to hay fever or other upper respiratory allergies for a full 24 hours. This product is gluten free.

• Active Ingredient: Compare to the active ingredient of Zyrtec; cetirizine hydrochloride, an antihistamine, is approved for the treatment of both indoor and outdoor allergy symptoms
• 24-Hour Allergy Relief: Each tablet temporarily provides relief of symptoms due to hay fever or other upper respiratory allergies, including itchy, watery eyes; runny nose; sneezing and itching of the nose or throat
• Indoor and Outdoor Allergy Relief:  24 Hour Allergy temporarily relieves common indoor and outdoor allergy symptoms
• Original Prescription Strength: These allergy pills come in original prescription strength; cetirizine hydrochloride provides all day allergy relief for adults and children six years and over
• Antihistamine:  24 Hour Allergy tablets block histamine to give you the allergy symptom relief you need; this product is gluten free