Xyzal Allergy 24HR 5 mg Strength tablets, 35 ctWhether you're dealing with indoor or outdoor allergens, Xyzal starts working in just 1 hour and keeps you feeling great all night and day with no fade relief. Features 24 HR Relief of Sneezing, Runny Nose, Itchy Nose or Throat, Itchy, Watery Eyes Active Ingredients Levocetirizine dihydrochloride 5 mg (Antihistamine) Purpose: An antihistamine that relieves allergy symptoms like sneezing, itchy eyes, watery eyes, runny nose, itchy nose, and itchy