14 Possible Reasons Why My Cat Drinks a Lot of Water

Updated: 23 Mar 2024

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Is your cat drinks a lot of water more than usual and wondering why? It could be a sign of something more serious. In this guide we’ll explore 14 reasons behind this reason, helping you when to see a vet. Let’s dive in!

Table of Content

How Much Water Should a Cat Drink in a Day?

On average, a cat should consume approximately 2.03-2.54 ounces of water per kilogram of body weight each day.

However, this can vary based on factors such as diet, age, and environmental conditions.

The following table provides a more detailed guide for different weights. Always consult with a vet if you’re concerned about your cat’s water intake.

Cat’s Weight (kg)	Cat’s Weight (pounds)	Daily Water Intake (ml)	Daily Water Intake (cups)	Daily Water Intake (ounces)	Notes
1	2.2	60	0.25	2.03	This is the minimum amount for a healthy adult cat. Kittens may require more.
2	4.4	120	0.5	4.06	Monitor your cat’s water intake and consult a vet if it’s consistently higher.
3	6.6	180	0.75	6.09	Remember, these are average values. Actual intake can vary.
4	8.8	240	1	8.12	If your cat is drinking significantly more, it could be a sign of health issues.
5	11	300	1.25	10.14	Always provide fresh water to encourage healthy drinking habits.
6	13.2	360	1.5	12.17	Consider factors like diet, activity level, and environmental temperature.
7	15.4	420	1.75	14.20	Cats on a dry food diet may drink more than those on a wet food diet.
8	17.6	480	2	16.23	Always consult with a vet if you’re concerned about your cat’s water intake.
9	19.8	540	2.25	18.26	Hydration is crucial for your cat’s overall health.
10	22	600	2.5	20.29	Keep monitoring and consult your vet regularly.

Why Is My Cat Drinking So Much?

If your cat is drinking more than the average amount, it could be due to a variety of reasons:

1. Kidney Disease

Kidney disease can cause cats to drink more water as the kidneys struggle to concentrate, increasing urine production and thirst.

2. Liver Disease

Liver disease can also lead to increased thirst in cats. The liver plays a crucial role in maintaining the body’s fluid balance, and when it’s not functioning properly, your cat may drink more water to compensate.

3. Hyperthyroidism

Hyperthyroidism, a condition caused by an overactive thyroid gland, can cause symptoms like increased thirst and urination in cats.

4. Diabetes

Just like in humans, cats can suffer from diabetes. Increased thirst and urination are common symptoms of this condition.

5. Pyometra

Pyometra is a severe infection of the uterus in unspayed female cats. One of the symptoms can be increased thirst.

6. Urinary Tract Infection

Urinary tract infections (UTIs) can make your cat feel like it needs to urinate more often, which can lead to increased water consumption.

7. Medication Side Effect

Certain medications can cause increased thirst in cats. If your cat started drinking more water around the same time it began a new medication, the two could be related.

8. Outside Temperature

Just like us, cats can get thirsty on hot days. If it’s been warmer than usual, your cat might be drinking more water to stay hydrated.

9. Diet Change

If you’ve recently changed your cat’s diet, especially from wet food to dry food, they may drink more water.

10. High Temperatures

High temperatures or heat waves can cause your cat to drink more water than usual.

11. Salty Food or Treats

Just like humans, cats can get thirsty after eating salty foods or treats.

12. Fever

A fever can cause dehydration, which can lead to increased thirst.

13. Upset Stomach

If your cat has an upset stomach or is vomiting, it may drink more water to soothe its stomach or replace lost fluids.

14. Summer Sippin’

During the summer months, cats may increase their water intake to stay cool and hydrated.

How to Prevent Dehydration in Cats

Preventing dehydration in cats is crucial, especially if they are drinking a lot of water. Here are some tips:

Provide Fresh Water: Always ensure your cat has access to fresh, clean water. Change the water daily and clean the bowl regularly to prevent bacteria growth.
Wet Food: Consider incorporating wet food into your cat’s diet. Wet food has a high moisture content, which can help keep your cat hydrated.
Multiple Water Bowls: Some cats prefer to drink from different locations. Try placing multiple water bowls around your home.
Running Water: Some cats prefer running water. Consider getting a cat water fountain, which can encourage your cat to drink more.
Regular Vet Check-ups: Regular vet check-ups can help detect any health issues early. If your cat is drinking a lot of water, it’s important to discuss this with your vet.

When Should I Take My Cat to the Vet?

If your cat’s increased water consumption is accompanied by other concerning symptoms like changes in appetite, weight loss, or lethargy, it’s time to consult your vet.

They can perform tests to determine the underlying cause and suggest appropriate treatment.

Why Is My Cat Peeing So Much?

Increased water consumption often leads to increased urination. If your cat is peeing more than usual, it could be a sign that they’re drinking more water or a symptom of a health issue like a UTI or diabetes.

What You Should Do if Your Cat’s Drinking A Lot of Water

If you notice your cat drinking a lot of water, the first step is to monitor their behavior and note any additional symptoms. Then, schedule a visit with your vet to rule out any underlying health issues.

How Do I Know if My Cat is Drinking Too Much Water?

The best way to know if your cat is drinking too much water is to measure their water intake over 24 hours. If it’s significantly more than the average amount for their weight, it’s worth discussing with your vet.

Why Are My Male and Female Cats Drinking So Much Water?

Both male and female cats can experience increased thirst due to the reasons mentioned above. It’s not specific to one gender.

Is It Normal for Cats to Drink a Lot of Water in One Sitting?

While some cats may drink a lot of water in one sitting, especially after a meal or on a hot day, consistently drinking large amounts of water could be a sign of a health issue.

Conclusion

It’s normal for Cat Drinks a Lot of Water, excessive drinking can be a sign of underlying health issues. If you’re concerned about your cat’s water intake, it’s always best to consult with a vet.

They can provide personalized advice based on your cat’s specific needs and circumstances.

Remember, your cat’s health is always a priority!

What does it mean if your cat drinks a lot of water?

If your cat drinks a lot of water, it could indicate a change in diet, weather, or potentially a health issue.

Do cats more water as they get older?

Yes, older cats often drink more water due to age-related health issues like kidney disease or diabetes.

How often should a cat drink water?

A cat should drink approximately 60 milliliters of water per kilogram of body weight each day. However, this can vary based on factors like diet and weather.