Before you buy these Prescription pills or medications you should read the following brief description as well as the full description of this medicine that we have provided with the link above and to the right Allegra is a powerful, nonsedating antihistamine (allergy medicine) that relieves seasonal allergy symptoms like sneezing, runny nose, and itchy, watery eyes. Use the "buy now" button in order to purchase the Allegra prescription medication for allergy relief from the online pharmacy. Allegra blocks the effect of histamine and relieves allergy symptoms such as sneezing, runny nose, and itchy, watery eyes. One dose of long lasting Allegra provides powerful relief from seasonal allergy symptoms for a full 24 hours. In order to be safe, you should read all of the Allegra information before you buy these pills for allergy relief.