Description: Cetirizine (Zyrtec) is a prescription medicine that treats both indoor and outdoor allergy symptoms, as well as chronic hives. In fact, no other allergy medicine of its kind is approved to treat more allergies than Cetirizine (Zyrtec). Studies show that 1 dose of Cetirizine (Zyrtec) works for a full 24 hours. Cetirizine (Zyrtec) is also great for the whole family. It's the first antihistamine approved to treat indoor allergies in infants 6 months and up. You can buy Cetirizine (Zyrtec) online from the above 'buy now' order link. Also, your online consultation is free, and your shipping is by Fedex.