Wow, chopping off an entire leg just because he skinned his foot? Talk about extreme! Well your friend would be wasting his money and I'm sure the vet would laugh at him if he brought up that idea lol

Anyway the dog snaps and growls while putting on ointment because it HURTS him! Tel your friend he just has to be consistant with putting on the medication. Is he wrapping the paw up after applying ointment with anything like gauze?? If not, he should. And I agree with the crating idea.