Disophenol (2,6-diiodo-4-nitrophenol) is an effective systemic anthelm
intic drug against hookworms in dogs and cats (Jones, 1988). An inject
ion @ 10 mg/kg body weight sub-cutaneously is effective in removing th
e worms (Dame and Webb, 1964). Administration of disophenol beyond its
therapeutic range could be toxic and even fatal.