FDAnews
www.fdanews.com/articles/132260-perrigo-synthon-get-approval-for-generic-xyzal

Perrigo, Synthon Get Approval for Generic Xyzal

November 29, 2010
Perrigo Monday announced that its licensor and supplier Synthon has received final approval from the U.S. Food and Drug Administration for Levocetirizine tablets, a generic version of Xyzal tablets from UCB/Sepracor, marketed in the U.S. by Sanofi-Aventis.
Sacramento Bee