Condition has gotten progressively worse but dog is mentally alert. Appetite is poor and dog has lost about 10 pounds. Owner reports that dog knuckles on front legs and seems ataxic and weak after exercise. Dog seems to improve after resting. No vomiting or diarrhea has been observed.
Water consumption is normal.
Pulse is weak. Dog is thin with generalized loss of muscle mass. Bilateral otitis externa is present. Auscultation is negative. Abdominal palpation is negative.