Do you have a value for his Urine Specific Gravity?
Another member here, growler, has lots of experience and excellent advice regarding CRF in cats. I'm sure she'll chime in shortly, but in the meantime, here is her thread that is worth reading: http://www.pets.ca/forum/showthread....kidney+disease
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"To close your eyes will not ease another's pain." ~ Chinese Proverb
“We must not refuse to see with our eyes what they must endure with their bodies.” ~ Gretchen Wyler
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