Levamisole, avermectins or similar in pyrrolidone solvent
A stable formulation which is suitable for administration to animals is claimed. The formulation includes at least one active selected from the group comprising avermectins and milbemycins and levamisole. Both of the actives are dissolved in a pyrrolidone solvent.
1 . A stable formulation suitable for administration to animals including at least one active selected from the group comprising avermectins and milbemycins and levamisole and both of said actives being dissolved in a pyrrolidone solvent.
2 . A stable formulation suitable for administration to animals as claimed in claim 1 , additionally including a solvent selected from the glycol ethers.
3 . A stable formulation suitable for administration to animals as claimed in claim 1 , wherein the pyrrolidone solvent is 2-pyrrolidone or N-methyl pyrrolidone.
4 . A stable formulation suitable for administration to animals as claimed in claim 1 , wherein the avermectin or milbemycin is present in the range of between 0.01-5% w/v.
5 . A stable formulation suitable for administration to animals as claimed in claim 4 , wherein the avermection or milbemycin is selected from the group comprising abamectin, doramectin, eprinomectin, ivermectin and moxidectin.
6 . A stable formulation suitable for administration to animals as claimed in claim 1 , wherein the levamisole is present in the range of between 1-30% w/v.
7 . A stable formulation suitable administration to animals as claimed in claim 1 , wherein the formulation additionally includes at least one further medicament selected from the group comprising anthelmintics, dietary supplements, vitamins, mineral and other beneficial agents.
8 . A stable formulation suitable for administration to animals as claimed in claim 1 , wherein the formulation is suitable for topical administration.
9 . A stable formulation suitable for administration to animals as claimed in claim 1 , wherein the formulation is suitable for parenteral administration.
10 . A stable formulation suitable for administration to animals as claimed in 1 , wherein the formulation is suitable for oral administration.
11 . A method of treating or preventing infection of cattle with Cooperia or Ostertagia by administering a formulation as claimed in claim 1.