Camber Consumer Care Allergy Relief | Levocetirizine Dihydrochloride 5mg | 35 Count Compare to the active ingredient in Xyzal 24 HR Prescription-strength antihistamine that provides all-day allergy relief from sneezing runny nose itchy watery eyes itchy throat or nose. Contains Levocetirizine Dihydrochloride an allergy medicine approved to temporarily relieve indoor and outdoor allergy symptoms in adults and children 6 years and over. Available in 35-count bottles.