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What's the best time to test my diabetic cat after starting insulin?

Updated On September 23rd, 2025

Pet's info: Cat | Mixed Breed | Male | neutered | 7 years and 10 months old | 13 lbs

When should a diabetic cat be tested after taking insulin?

1 Answer

Most Helpful Answer

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Answered By Jennifer Summerfield, DVM CPDT-KA

Veterinarian, Certified Dog Trainer

Published on January 12th, 2018

Normally, a diabetic cat should come back to the vet for a blood test (either a serum fructosamine level, or a blood glucose curve) 7-14 days after first starting insulin. Your vet should give you specific instructions for what he/she recommends in Fonzie's case.

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