Benzimidazole anthelmintic compositions

A self-emulsifying, pour-on, veterinary anthelmintic composition, comprising:

• about 15% to about 25% w/v of triclabendazole;
• and b) a water immiscible solvent system, which comprises γ-hexalactone in an amount of about 10% to about 40% w/v, 1,8-cineole in an amount of about 10% to about 35% w/v, and PEG-8 caprylic/capric glycerides in an amount of about 30% to about 60% w/v.

A method of treating parasites in a homeothermic animal, said method comprising administering to said animal a self-emulsifying, pour-on, veterinary anthelmintic composition comprising:

• a) about 15% to about 25% w/v of triclabendazole, and b) a water-immiscible solvent system, which comprises γ-hexalactone in an amount of about 10% to about 40% w/v, about 10% to about 35% w/v of the essential oil, 1,8-cineole, and surfactant in an amount of about 30% to about 60% w/v, wherein the surfactant is PEG-8 caprylic/capric glycerides or PEG-6 caprylic/capric glycerides, and wherein said composition further comprises moxidexctin in an amount of about 0.01 to about 2% w/v.

A self-emulsifying, pour-on, veterinary anthelmintic composition comprising:

• a) 20% triclabendazole, and b) a water-immiscible solvent system, which comprises a γ-hexalactone in an amount of about 14% w/v, 1,8-cineole in an amount of about 29% w/v, and PEG-8 caprylic/caprylate as a surfactant in an amount of about 36% w/v.