What is levocetirizine dihydrochloride brand name?

Xyzal (levocetirizine) Levocetirizne is the active, l-isomer of cetirizine. When you take plain cetirizine, 50% is levocetirizine, so there is 5mg of levocetirizine in 10mg of cetirizine. In other words, you could just take cetirizine.