Why is My Cat Drinking so Much Water

Cat Water Fountains Australia
Why is My Cat Drinking so Much Water

Cats are known for their independent nature and mysterious behavior, but when it comes to their health, it's important to pay attention to any changes in their habits. One such change that may cause concern is if your cat is drinking an unusually large amount of water. In this article, we'll explore the reasons why your cat may be drinking more water than usual and what you can do to ensure their health and well-being.

1. Dehydration

The most obvious reason your cat may be drinking more water than usual is dehydration. This can happen for a variety of reasons, such as hot weather, illness, or increased activity. If your cat is dehydrated, it's important to offer them plenty of fresh water to drink and monitor their behavior for any signs of illness.

2. Diabetes

Another reason your cat may be drinking more water than usual is diabetes. This disease affects the way your cat's body processes sugar, which can lead to increased thirst and urination. If you suspect your cat may have diabetes, it's important to take them to the vet for diagnosis and treatment.

3. Kidney Disease

Kidney disease is a common health problem in older cats, and one of the symptoms is increased thirst and urination. If your cat is drinking more water than usual and has other symptoms such as vomiting or lethargy, it's important to take them to the vet for a checkup.

4. Hyperthyroidism

Hyperthyroidism is a condition where the thyroid gland produces too much hormone, which can cause increased thirst and urination. Other symptoms of hyperthyroidism include weight loss, vomiting, and diarrhea. If you suspect your cat may have hyperthyroidism, it's important to take it to the vet for diagnosis and treatment.

5. Behavioral Issues

Finally, it's possible that your cat is drinking more water simply due to a behavioral issue. Some cats prefer running water to still water and may drink more from a fountain or dripping tap. Additionally, stress or anxiety can cause changes in your cat's behavior, including increased water intake. If you suspect a behavioral issue, it's important to observe your cat's behavior and seek advice from a veterinarian or behaviorist.


If you notice that your cat is drinking an excessive amount of water, it's important to pay attention and act. From simple things like switching to a water fountain to more serious medical issues like diabetes, there are many potential causes for increased water consumption in cats. By being aware of the signs and symptoms and working closely with your veterinarian, you can help ensure that your feline friend stays happy, healthy, and well-hydrated. Remember, a well-hydrated cat is a happy cat!

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