You watch your furry friend and wonder: Is the bowl empty again? Just like for us humans, it is absolutely essential for our four-legged friends to consume fresh water every day to quench their thirst, keep their circulation stable, and regulate the body's complex water balance.
To a certain extent, it is completely harmless and even important that your beloved drinks their fill – especially during the hot summer months or after an extensive walk with a high activity level. In principle, your dog should always have free access to clean drinking water.
But what if their thirst suddenly seems unquenchable? If you ask yourself: "My dog drinks a lot, is that still normal?", you should take a closer look. Excessive drinking (known in medical terms as polydipsia) can have harmless causes, but it can also be an important warning sign of serious health problems. In this guide, we will explain how much fluid is healthy and when you need to take action.
Table of Contents
My dog drinks a lot: How much water is actually normal?
To be able to assess whether there is a problem, we first need to clarify what is normal. A dog's daily water requirement is not the same for every animal. It depends on various, highly individual factors, such as the type of food, age, breed, size, and your dog's exact weight.
As a medical guideline, healthy dogs should normally consume about 20 to 100 ml of fluid per kilogram of body weight per day.
A small calculation example: A small dachshund weighing 10 kg should drink about 200 ml to a full liter of water per day. A large Labrador weighing 30 kg accordingly needs between 600 ml and up to 3 liters of water daily to stay optimally hydrated. The huge range of 20 to 100 ml results from the extremely different everyday conditions (rest day vs. active dog sports).
The practical test: How to measure the amount of water
So that you don't just have to guess whether your beloved is drinking too much or too little water, it is extremely useful to accurately measure the exact amount of water drunk over a few days. It's very simple:
Fill a large measuring cup with enough water for the entire day in the morning.
Note down the exact amount (e.g. 2000 ml) and refill your dog's water bowl exclusively from this cup.
The next morning (after exactly 24 hours), pour the remaining water from the bowl back into the measuring cup.
The resulting difference is the water your dog drank that day.
It is best to keep this little water diary for several days to determine whether there is a real abnormality.Attention! If your dog drinks deliciously from puddles, lakes, or rivers during the walk, it naturally greatly distorts your measurement. So keep a close eye on him outside.
Harmless reasons: Why your dog suddenly drinks a lot
An empty water bowl does not always have a dramatic illness behind it. Excessive drinking can have many different everyday causes.
Heat and high temperatures in summer
Dogs cannot sweat through their skin like we humans do. They regulate their body temperature almost exclusively through panting and through their paw pads. As temperatures rise in summer, dogs need significantly more water to cool their bodies effectively and compensate for the fluid lost through evaporation on their tongue. Pay special attention during heat to ensure that fresh water is always available.
Increased physical activity
An extended walk, a wild round of fetching, or active dog sports like agility drive the heart rate up. After intense physical exertion, it is a completely natural and healthy reaction of the body to want to compensate for the fluid loss immediately.
Stress and excitement
If your dog is exposed to exciting or stressful situations – such as a long car ride, a visit to the vet, or New Year's Eve –, it can be that he drinks more than usual afterwards. Through nervous, excited panting, an extremely large amount of fluid evaporates through the mucous membranes.
Food changes and dry food
The type of feeding probably has the greatest influence on drinking behavior! If you suddenly switch from extremely moisture-rich food (such as wet food, BARF, or freshly cooked meals) to commercially available dry food, it is completely logical and absolutely important that your dog drinks massively more. He has to laboriously compensate for the now missing amount of water from the food from the bowl.
Ready to give your dog a healthier and longer life?
Order freshly cooked dog food now and save!
Order nowWhen illness is the cause: My dog drinks a lot and is lethargic
If you can rule out harmless causes such as heat, stress, or dry food, and your dog regularly drinks the bowl empty over several days, caution is advised. A greatly increased water consumption is a classic symptom of various organic problems.
Diabetes Mellitus (Diabetes)
Just like humans, dogs can also develop diabetes. If the pancreas no longer produces enough insulin, sugar accumulates in the blood and is excreted through the urine. This sugar literally draws water out of the body, which is why affected dogs have to urinate extremely frequently and try to compensate for this loss through excessive drinking.
Kidney diseases
The kidneys are the body's filter system. If they lose their ability to properly concentrate the urine due to old age or chronic kidney failure, the dog constantly loses valuable water. Here too, a strong, barely quenchable thirst arises, often accompanied by weight loss and loss of appetite.
Other health causes
In addition to diabetes and kidney problems, hormonal disorders such as Cushing's syndrome (an overproduction of cortisol) or the rare diabetes insipidus (water diabetes) can also be the cause. A painful bladder infection also often leads dogs to drink more. In unspayed female dogs, the highest vigilance is also required: Sudden thirst can be an early warning sign of life-threatening uterine enlargement (pyometra)!
Very important: Please never withdraw water from your dog in the hope that he will then urinate less in the house! If there is a kidney problem, withdrawing water can lead to fatal, life-threatening organ failure within a very short time.
Red Alert: Warning Signs of Poisoning
If your dog's drinking habits change extremely suddenly, you should carefully check their overall condition. Is your dog drinking an extreme amount, lethargic, and refusing to eat? This can be a serious symptom of acute poisoning!
Especially if this thirst occurs along with other severe symptoms such as severe abdominal cramps, extreme weakness, bloody diarrhea, or severe vomiting, every minute counts. Even with severe fluid loss, dogs are often practically driven to their water bowl.
The Danger of Water Poisoning
Paradoxically, water itself can also become a danger. So-called water poisoning (hyperhydration) occurs when a dog consumes extremely large amounts of water in a very short period of time—for example, if they spend hours frantically lapping at the stream from a garden hose or unknowingly swallow huge amounts of lake water while retrieving items from a lake. The blood chemistry becomes severely disrupted, the brain swells, and there is an absolute risk to life! You can find out more in our detailed post about water poisoning in dogs.
When Should You See a Vet?
If you notice that your beloved pet drinks an unusually large amount over several days, you have measured the amount drunk using our tip, and harmless reasons such as a hot summer day or very dry food have been ruled out, we strongly advise you to see a vet.
To help the vet with the diagnosis, you can write down exactly how many milliliters your dog drank in 24 hours. It can also be extremely helpful to collect your dog's morning urine in a clean container and bring it directly to the clinic. With a simple blood and urine test, the professional can very quickly determine whether a disease is present and help your loyal companion quickly.
Anita Lorber
Ready to give your dog a healthier and longer life?
Order gluten-free dog food now and 30 % save!
Order now
Ähnliche Artikel
