- Jun 4, 2011
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I've never used the pour on. I use the injection and put it over kibble. I would be concerned about other additives in the pour on that would have a possible side affect.Actually i have had two vets tell me it was ok to use the pour on. One actually took the time to go over the dosage instructions. One of the best reproductive vets in the world specifically told us to use either the paste horse wormer or the cattle pour on since we have so many dogs. But make sure you have the dosage correct.