Levocetirizine Dihydrochloride Is A Medication That Belongs To A Class Of Medicines Called “Antihistamines”. It Is Used For The Relief Of Signs And Symptoms Related To Seasonal Allergic Rhinitis (Allergic Reactions Triggered By Seasonal Allergens Such As Tree Pollen, Grass Pollen, And Weed Pollen Causing Stuffy And Runny Nose) And Perennial Allergic Rhinitis (Allergic Reactions Triggered By Perennial Allergens Such As Dust Mites, Mold, Pet Dander, And Some Insects Causing Stuffy And Runny Nose). It Is Also Used For The Treatment Of Uncomplicated Skin Manifestations Of Chronic Idiopathic Urticaria (Chronic Hives That Result In Itchy, Red Bumps Or Wheals).