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Why is My Dog Drinking So Much Water? [Health Warning Signs +What Should You Do]

Updated by Sheryl on Oct 15, 2021

There are many reasons for a sudden excessive water intake in dogs—lactating dogs and playful puppies drink more water than adults; and some less-active breeds have less water intake. But sometimes it can be hard to guess why he drinks too much water suddenly. You shouldn't ignore it since it may signal a serious health problem.

dog drinks water
  • What Happens If a Dog Drinks Too Much Water
  • How Much Water Intake Is Normal in a Healthy Dog
  • Top 8 Reasons of Excessive Thirst In Dogs
  • What Should You Do If Your Dog Is Drinking a lot of Water
  • What Not to Do If Your Dog Drinks a lot of Water
  • People Also Ask
  • Final Thoughts

Drinking too much water may lead to water intoxication in dogs. In this condition, the amount of water in the body cells increases, resulting in sodium depletion outside the body cells. As a response, the body cells increase fluid intake to rebalance the low blood sodium level.

Consequently, the body organs swell to give space to water. But the organs enclosed in bones, for example, the brain, can't expand. As a result, the brain cells die off due to increased water pressure resulting in seizures, difficulty breathing, and even coma.

The signs of water intoxication in dogs include:

  • Bloating
  • Vomiting
  • Un balanced gait
  • Pale gums
  • Dilated pupils
  • Excessive salivation
vet checking the dog mouth

According to pet MD, a healthy dog should drink one ounce of water per pound of its body weight daily. One ounce equals ⅛ of a cup. This amount of water is sufficient for a dog. Also, the water needs of individual dogs vary due to several factors. These factors include: activity level, weather, diet and health condition.

Make sure to provide plenty of clean and fresh water to your pet canine daily. Also, don't restrict water intake if it is drinking excessively and urinating in the house. Instead, consult your vet to figure out the reason behind increased thirst in your dog. Your dog may not drinking enough water also, click to know what you should do for that.

1. Infectious diseases

Certain infectious diseases, including cancer, affect the functioning of the liver and kidneys. The kidneys' primary function is to filter water and electrolytes from the blood while the liver detoxifies the blood and metabolizes fats and carbs. As a result of kidney and liver infection, these organs fail to function effectively and cause excessive thirst and urination.

Besides, pyometra is the infection of the uterus that occurs in unspayed females. It causes dehydration and requires immediate surgery to remove the uterus.

2. Metabolic disorders

Diabetes mellitus is a metabolic disorder in which your dog's body fails to produce enough insulin that helps to maintain blood glucose levels. As a result, the excessive glucose excretes from the body with water causing frequent urination. In to the increased thirst, your dog drinks more water.

3. Hormonal disorders

In Cushing's syndrome, the adrenal gland develops a tumor and produces higher cortisol. Consequently, the increased cortisol causes excessive thirst and urination.

4. Dehydration

Vomiting and diarrhea drain essential electrolytes and water from the body. As a result, your dog suffers dehydration and drinks more water.

5. Medication

Some medicines have side effects on your pets. They can cause excessive thirst and urination. They include anti-inflammatory drugs(prednisone), seizure medication(phenobarbital), heart failure drugs(furosemide).

6. Diet

If your dog's diet lacks 5% to 10% of water content, it increases thirst and results in more water intake. In addition, sodium-rich dog treats can cause dehydration due to diarrhea and vomiting. Your dog may drink more after eating a sodium-rich diet.

7. Hot weather

When your dog exercises in hot weather, it reduces body fluids in excessive panting and salivation. That's why it drinks more water due to increased thirst.

8. Psychological problem

Rarely, some dogs develop a habit of drinking more water without any underlying illnesses. It may be due to a psychological problem known as psychogenic polydipsia.

dog drinks water with water bowl

A sudden increase in your dog's thirst for a day or 2 is not an issue. But if your furry companion has started emptying the water bowls and urinating frequently, it may be a concerning point.

Here's what you should do in such a case:

  • Keep an eye on the drinking behavior of your dog.
  • And measure the amount of water you added and left at the end of the day.
  • Consult your vet to find the reasons for your dog's excessive thirst.
  • If you noticed any persistent signs mentioned above, rush to the vet emergency in case of water intoxication.
  • When dog's tongue touches the floating disk, the water will be coming from the hole automatically. Avoid vomiting and gulping
  • Separable 2-pieces disk helps prevent the dust, providing clean water for pets all day.
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  • Never keep the water away from your dog, even if it is drinking more. It will cause an imbalance of fluid and electrolytes in your buddy's body.
  • Never ignore the symptoms of excessive drinking in dogs for extended periods since it can be fatal. The only solution is to solve the underlying issue.
  • Don't expect that the condition will solve on its own.
  • Avoid taking your dog for swimming in that time.
Can Dogs Drink Too Much Water?
In normal conditions, dogs only drink water frequently when they are nursing, or in hot weather, and after exercise. More water intake is crucial to prevent dehydration in these situations.
How much water should a senior dog drink a day?
A senior dog requires 8 to 17 ounces of water per 10 pounds of its body weight in 24 hours. For example, if your dog weighs 60 pounds, it should drink 50 to 90 ounces of water to stay hydrated.
How to stop a dog from drinking too much water?
Dogs' excessive water intake is due to underlying illnesses such as kidney failure, infections, cancer, Cushing's disease, and diabetes. First, solve these issues then your dog will automatically normalize its water intake.

Excessive water intake more than usual is a medical emergency in dogs. You should consult your vet as soon as possible. Before heading to the vet, take the urine sample of your dog with you. Also, notice the amount of water that your dog is drinking per day. Make sure to supervise your dog during a swim play session. Plus, don't leave it alone in the garden when sprinklers are on.

Sheryl
Sheryl is an editor from iPetor, owns extensive pet care experience. As a professional writer, she can provide useful pet care tips for all "parents".
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