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Hi, this is Dr. Hill. When an older dog starts walking on the tops of their feet or scuffing their nails that is usually a sign of neurologic disease. If it came on suddenly, then the two most likely causes are a protruding disk rubbing against the spinal cord (intervertebral disk disease) or a stroke to the spinal cord. Is he painful?
What color are his gums? Does his abdomen appear distended at all? Is he weak on all four legs or just his back legs?
That is great. A little concerned about hemorrhage causing weakness. He is on an anti-inflammatory already, so no additional meds right now unless he worsens. If it is a stroke, then he will get better over the next couple of days or few weeks. If it is a ruptured disk, then it may progress and he could lose function in his limbs. you did not say if it is all four legs or just the rear. However, if he progressively gets weaker, he needs to go to an emergency clinic tonight. They can start him on medications to decrease swelling further. Feel free to ask additional questions. Take Care
You are very welcome. Take care.
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