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Insulin Products

Veterinarians use a variety of insulin products, but only two are presently approved by the FDA for use in dogs and cats.

One of these is a porcine lente product (porcine insulin zinc suspension, Vetsulin) that is approved for both species. The other FDA-approved insulin, human recombinant protamine zinc insulin or PZI (Prozinc) insulin, is labeled as having an appropriate duration in cats, the only species for which it is approved.

It is considered by clinicians as a long-acting insulin.


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