Description : My 12 year border collie has not gone outside to pee in days. What's wrong with him?
Last Answer : answer:[not a vet] I am a life long pet owner, though. First of all, Tylenol is safe, but I prefer aspirin as it doesn't cause/contribute to liver failure for older dogs. I'd say this ... had kidney issues due to his need for steroids for his allergies. We did not medicate him for the condition.