levocetirizine dihydrochloride tablets, usp 5mg | 24 hour allergy relief | 180 count velocity pharma delivers a powerful solution to the toughest allergies that lasts for 24 hours and keeps you on-the-go. say goodbye to sneezing, a runny & itchy nose, itchy, watery eyes, & a scratchy throat, and get back to feeling your best. 24 hour non drowsy allergy relief.