#$%^&*AU2013205280A120131107.pdf#####The present invention provides a pharmaceutical or veterinary formulation adapted to be injected into an animal, comprising (a) an effective amount of levamisole (b) an effective amount of at least one macrocyclic lactone selected from abamectin, doramectin, eprinomectin, ivermectin, and moxidectin (c) at least one surfactant selected from ethoxylated castor oils, polyethyoxylated castor oil, poly oxyl 40 hydrogenated castor oil, or a combination thereof (d) at least one solvent selected from glycerol formal, propylene glycol, polyethylene glycol, and dimethyl isosorbide (e) water. The invention also provides a method for preventing or treating internal parasite infestations in animals, comprising administering to an animal an effective amount of the aforementioned formulation.
