XYZAL® Allergy 24HR. Original prescription strength. Levocetirizine dihydrochloride tablet. 5mg / antihistamine. 24 hour relief of: Sneezing. Runny nose. Itchy nose or throat. Itchy, watery eyes. 55 tablets. Uses: Temporarily relieves these symptoms due to hay fever or other respiratory allergies: Runny nose. Sneezing. Itchy, watery eyes. Itching of the nose or throat. The trade dress of this XYZAL® package is subject to trademark protection. Questions or comments Call 1-800-633-1610. ©2017.