Xyzal Allergy 24 hour is designed to provide continuous 24-hour, full prescription relief of our worst allergy symptoms. Brand: Xyzal Dimensions: height: 463 weight: 9 length: 432 width: 144 Features: Clinically proven 24 hour relief of indoor and outdoor allergies. All day and all night relief of sneezing, runny nose, itchy, watery eyes, and itchy nose or throat. Clinically proven relief in 60 minutes. Xyzal is as effective at hour 24 as hour 1. null null null null null null null