LevaMed™ Soluble Drench is a broad spectrum anthelmintic to control lungworms, stomach and intestinal worms in cattle and sheep. One packet treats 32 - 400 lb cattle or 128 - 100 lb sheep. Not for use in dairy cattle of breeding age. Contains 46.8 gm levamisole HCI activity per packet. Slaughter withdrawal: Cattle - 2 days; Sheep - 3 days.