Why Is My Dog Drinking More Water Than Usual?
Have you noticed your dog emptying the water bowl faster than usual or asking to go outside for a wee more often?
Sometimes there’s a simple explanation. Dogs may drink more after exercise, during hot Sydney weather or after a change in food. But if your dog is consistently drinking more water than usual, it’s worth paying attention.
At Blakehurst Vet, changes in drinking and urination are something we take seriously because they can sometimes be one of the first signs that something isn’t quite right.
Quick Answer: Why Is My Dog Drinking More Water Than Usual?
Dogs can drink more because of heat, exercise, diet or certain medications. Persistent increased thirst can also be associated with conditions such as kidney disease, diabetes, hormonal disorders or infection.
If you’ve noticed a definite change in your dog’s normal drinking habits, particularly if they are also urinating more, losing weight or behaving differently, it’s worth having them checked.
When Is Drinking More Water Normal?
A temporary increase in thirst isn’t necessarily concerning.
Your dog may naturally drink more:
- during warm weather
- after a long walk or vigorous exercise
- after changing from wet to dry food
- after eating something particularly salty
- while taking certain medications.
What matters most is whether this is normal for your dog.
If you suddenly find yourself filling the water bowl much more frequently and there’s no obvious reason, that change is useful information to bring to your vet.
What Can Excessive Thirst Mean in Dogs?
There are several medical reasons a dog may start drinking and urinating more.
At Blakehurst Vet, some of the conditions we may investigate include:
- Kidney disease, particularly in older dogs
- Diabetes
- Cushing’s disease and other hormonal conditions
- Infections
- Side effects from certain medications
This doesn’t mean that a thirsty dog necessarily has one of these conditions. It simply means that a persistent change is worth investigating rather than assuming it is part of getting older.
What Other Signs Should I Look For?
It’s particularly worth having your dog checked if increased drinking is accompanied by:
- urinating more frequently
- accidents inside the house
- weight loss
- appetite changes
- vomiting
- tiredness or weakness
- excessive panting
- changes in behaviour.
You don’t necessarily need to wait for several symptoms to appear. Sometimes drinking more water is the first change an owner notices.
How Can Blakehurst Vet Investigate Increased Thirst?
The first step is usually straightforward.
One of our vets will examine your dog and talk through the changes you’ve noticed, along with their age, diet, medications and any other symptoms.
Depending on what we find, we may recommend blood and urine testing. These tests can help us assess things such as kidney function and blood glucose and narrow down why your dog may be drinking more.
Having these changes assessed early can sometimes give us useful answers before your dog becomes noticeably unwell.
If you have an older dog, you may also find our guide to early signs of illness in senior pets useful.
Should I Limit My Dog’s Water?
No.
Even if your dog seems to be drinking excessively, keep fresh water available. In some medical conditions, dogs drink more because their body is losing additional water through their urine.
Instead of restricting their water, take note of how much they are drinking and whether their urination has changed.
When Should I Bring My Dog to Blakehurst Vet?
One particularly thirsty day after a hot afternoon or long walk is very different from a dog who has developed a new pattern of drinking.
If you’ve caught yourself thinking “I’m filling that water bowl a lot more than I used to”, it’s worth getting it checked.
Your dog doesn’t have to appear obviously sick for a veterinary examination to be useful. Changes like increased drinking are often easier to investigate before other symptoms develop.
Blakehurst Vet is an independent veterinary clinic caring for dogs from Blakehurst, Hurstville, South Hurstville, Sylvania and throughout the St George and Sutherland Shire areas.
Book an appointment with Blakehurst Vet if you’ve noticed your dog drinking or urinating more than usual.
Frequently Asked Questions
Why is my dog suddenly drinking lots of water?
Heat, exercise, food and medications can temporarily increase thirst. If the change persists without an obvious reason, a veterinary check is worthwhile.
Is drinking lots of water a sign of diabetes in dogs?
It can be. Increased thirst and urination are common signs of diabetes, although several other conditions can cause similar symptoms.
Why is my older dog drinking more water?
Older dogs are more likely to develop conditions affecting the kidneys, blood sugar or hormones. At Blakehurst Vet, we recommend investigating a noticeable new change rather than assuming it is simply part of ageing.
Should I restrict my dog’s water if they are drinking too much?
No. Keep fresh water available and arrange a veterinary check if the increased drinking continues.