Actavis said distribution of the product would commence in coming weeks.
Alprazolam ER tablets are the generic equivalent of Pfizer's Xanax XR tablets, will be available in 0.5mg, 1mg, 2mg, and 3mg strengths. Alprazolam ER tablets are indicated for the treatment of anxiety and panic disorder.
Annual sales of alprazolam ER tablets in the US were approximately $53.9 million for the twelve months ending December 2006 according to IMS Health data.