My friend’s dog has been limping for 2 weeks?

I’m house sitting for a friend who is out of the country for another month. Her dog has been limping for 2 weeks. I came home one day and she was limping. It seemed to get better but she still is limping. When i touch it or examine it she doesn’t seem to be in any pain and I can’t find anything visibly wrong. The... show more I’m house sitting for a friend who is out of the country for another month. Her dog has been limping for 2 weeks. I came home one day and she was limping. It seemed to get better but she still is limping. When i touch it or examine it she doesn’t seem to be in any pain and I can’t find anything visibly wrong. The dog’s owner says not to take her to the vet, what should I do?
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