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What affordable food prevents cat urinary crystals after obstruction?

Updated On September 23rd, 2025

My cat had urinary crystal obstruction, he now needs to be in a diet but vet prescription food is way too expensive. Is there an over the counter food that you recommend, to prevent him getting crystals again.

1 Answer

Most Helpful Answer

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Answered By Sara Farmer, DVM

Veterinarian

Published on January 31st, 2019

Unfortunately there is no over the counter diet that is comparable to a prescription urinary diet. I often recommend feeding a quality canned prescription diet only to try to dilute the urine as much as possible but sometimes crystals will still form. It is probably best to check in with your vet for their opinion since they know all the details about your cat's condition. In the long run it may be less expensive to continue feeding the prescription diet rather than going through another hospitalization for urethral obstruction.

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