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My diabetic dog drinks and pees a lot. Is increased insulin normal?

Updated On September 23rd, 2025

Pet's info: Dog | Labrador Retriever | Male | unneutered | 75 lbs

is it normal to have increase insulin doses for a dog? almost 9 yo lab (75 lbs) went from 15 to 16 for about a month now and he's peeing excessively and drinking lots of water. i'm wondering if this is normal or should we try another vet? thanks.

2 Answers

Most Helpful Answer

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Answered By Kevin Sanada, DVM

Veterinarian

Published on October 29th, 2017

Yes, this does happen. Diabetes is a rather frustrating condition to treat, because there are usually changes in the amount of insulin needed. He may need another glucose curve done to see what insulin dose is needed. It definitely seems like the diabetes not well controlled if he is drinking and peeing a lot. I don't see an indication to seek a second vet opinion at this time, but I've posted a link to an article below that may help you with this decision. Generally, for long-term conditions like this, it's best to stick with the same vet, because they will be most up-to-date with all of Jackson's medical history and where he's at with his treatment. https://www.petcoach.co/article/when-is-it-time-to-seek-a-second-veterinary-opinion/ I hope that helps and Jackson gets better soon.

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Other Answers

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    Answered By Maria DVM

    Veterinarian

    Published on

    It is very normal to have to change the insulin dose of a diabetic even if they were previously controlled. I would recommended talking to your veterinarian. I would also recommend bringing a urine sample into your veterinarian to make sure Jackson does not have a concurrent urinary tract infection. Having a urinary tract infection can also cause Jackson to drink more and pee more. Your veterinarian may want to perform a glucose curve in which Jackson would stay at their office and check a blood glucose level throughout the day. This will give them a better idea on what his glucose is doing throughout the day and they may be able to find a dose that is better for him. I would stay with your veterinarian as long as you feel comfortable with them. I hope Jackson starts to feel better soon and thank you for using Petco Pet Education Center, formerly Petcoach!

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