It sounds like he still has a bladder infection. There is no down side to cranberry juice, but some cats dislike the sour taste. You might try cranberry concentrate in softgels if you can pill your cat. The active component of the cranberry juice that eliminates the bacteria is d-mannose, which is available as a capsule or powder. If you use it, use 1/4 tsp, or the contents of one capsule, in his food twice a day. It works by keeping the bacteria from adhering to the bladder wall, so he pees out all the bacteria within 2 days. Once the bacteria is gone, the urinary pH will drop and he will stop producing crystals.

The most important step is to eliminate all dry food, as it does not have enough water, so the urine is very concentrated, leading to crystal formation. Feed canned food, and for a while, add water to it as well as salt, to dilute the urine and flush out and dissolve crystals.

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• FLUDT - HollySue, Sun May 10 12:46:09 2009
• RE: FLUDT - PHDrTobin, Mon May 11 08:37:43 2009
• RE: FLUDT - HollySue, Mon May 11 18:00:29 2009
• RE: FLUDT - PHDrTobin, Tue May 12 09:22:45 2009
• RE: FLUDT - HollySue, Tue May 12 11:52:46 2009