Valbazen® suspension is the only drench dewormer that controls Cooperia spp, Ostertagia ostertagi and liver flukes. Valbazen® suspension is used to control internal parasites including tapeworms, liver flukes and more inhibited or larval forms of stomach worms than other oral drench dewormers. Valbazen® suspension offers the broadest parasite control in the oral drench dewormer category with 25 different parasites and larval stages covered.