A. Dr. Pugh's answer below is correct. The reason we cannot provide you with dosing information for ivermectin is that it is a prescription drug and in order to give prescribing information the veterinarian must have performed a physical examination on the dog. Ivermectin is very easy to mis-dose, and it is contraindicated in herding breeds such as border collies. Therefore my best recommendation is for you to visit a vet who can examine your dog and make dosing recommendations.
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