Other Information: Store between 68 to 77 degrees F (20 to 25 degrees C). Avoid high humidity. Do not use if carton or blister unit is opened or broken. Misc: Cetirizine HCl orally disintegrating tablets 10 mg/antihistamine. Indoor + outdoor allergies. Melts in your mouth. 24 Hour Relief of: sneezing, runny nose, itchy, watery eyes, itchy throat or nose. www.zyrtec.com. Made in Switzerland.