| abstract |
1. An antiparasitic composition containing an effective amount of an antiparasitic compound of salicylanilide together with a sufficient amount of a part of vinyl polymeric species effective to provide high levels of compound in blood plasma of more than about 20 ppm during a period of treatment, and an effective amount of at least one other antiparasitic compound, in a physiologically acceptable solvent. 2. A composition according to claim 1, wherein the polymer species is selected from the group consisting of polyvinylpyrrolidones (PVP) .3 A composition according to claim 1, wherein the polymer species is selected from the group consisting of polyoxypropylene / polyoxyethylene block copolymers. 4. A composition according to any one of claims 1 to 3, in which salicylanilide is closantel. |