Clarinex (desloratadine) treats year-round allergy symptoms and ongoing hives of unknown cause, in adults and children 6 months and older, and seasonal allergy symptoms in patients 2 years and older.
Zyrtec (Cetirizine) provides the right solution to treat seasonal allergies. Antihistamines are bio-chemicals that block the action of histamines, a natural substance produced by the body during an allergic reaction. Zyrtec is a prescribed for allergy medication and has been designed to treat the symptoms of indoor and outdoor seasonal allergies.