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Why is my 7-week lab puppy always thirsty and drinking so fast?

Updated On September 23rd, 2025

Pet's info: Dog | Labrador Retriever | Male | unneutered | 1 month and 22 days old

My 7 week lab puppy seems to not be able to get enough water. Today he has had 11 oz, but goes crazy at his empty dish or licks rain water. If I were to give him more water now he would drink so fast like he hadn't had water in days. Is this normal?

2 Answers

Most Helpful Answer

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Answered By Dr. Melanie, BVSc MS

Veterinarian

Published on November 2nd, 2016

If it's a warm day out, or he just exercised, it's normal that he would be thirsty. A dog normally drinks 50-60ml per kg of bodyweight, so without knowing Reminton's weight, I can't say for sure if he is drinking an excessive amount. I would weight him, convert his weight to kg (divide his weight by 2.2), and multiple that number by 60 to get the number of mL he should be drinking per day. If he is drinking more than that, then that isn't normal, and I would take him into a vet for an exam.

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    Answered By Destini R. Holloway, DVM

    Veterinarian

    Published on

    If he has been doing this for more than a day then yes that is considered abnormal. He could have a condition called Polydipsia (Diabetes Insipidus) where his brain triggers to him that he is constantly thirsty. Your vet can diagnose this condition with a water deprivation test that can be scheduled to measure his urine concentrating abilities after drinking tons of water and before. It usually isn't life threatening but if he does have this condition it can cause problems in the future, so it is best to get it looked into if he is doing this on a regular basis.

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