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Glam Journal

When a cat drinks a lot of water

Author

Chloe Ramirez

Updated on April 27, 2026

If you notice that your cat is drinking more than usual, this may indicate that something is amiss. Increased water intake is known as ‘polydipsia’. The most common causes of increased thirst and drinking are: Kidney (renal) dysfunction.

Is it normal for my cat to drink a lot of water?

Excessive thirst, or polydipsia, is common in cats when they are overexerted from exercise, excited from playing, or when there is a change in diet. The sodium in your cat’s food may be higher than the previous one, causing extra thirst. However, drinking a lot of water can also be a sign of a medical condition.

How do you know if your cat is drinking too much water?

If you suddenly start noticing your cat drinking more than they usually do, it may be a sign that something is wrong. Telltale signs often include: Being thirsty all the time. Their water bowl emptying quicker than usual.

Why is my cat drinking so much water all of a sudden?

Three of the more common causes of excessive urination and excessive drinking in cats are diabetes mellitus, chronic kidney disease, and hyperthyroidism.

How much water should a cat drink at a time?

Compared to dogs, cats drink less water. In general, adult cats should consume anywhere between 5 to 10 fluid ounces of water per day, depending on their size, activity level, type of food and other factors, such as overall health and ambient temperature.

What are the signs of diabetes in a cat?

  • Increased urination. One of the most common cat diabetes symptoms is frequent urination. …
  • Excessive thirst. A cat that urinates more often will be thirstier and spend more time at the water bowl. …
  • Increased appetite. …
  • Unexpected weight loss.

What are the signs of kidney failure in cats?

  • Weakness.
  • Weight loss.
  • Lack of appetite.
  • Depression.
  • Bad breath.
  • Diarrhea (may contain blood)
  • Vomiting (may contain blood)
  • Dehydration.

How long can a cat live with untreated kidney failure?

Cats classified as stage three at diagnosis survived for an average of 1.86 years (679 days) but with some surviving up to 5.75 years. Cats in stage four kidney disease had a median survival of only 1.16 months (35 days). Overall median survival time was calculated as 2.1 years (771 days) from the time of diagnosis.

How do I know if my cat has hyperthyroidism?

The most common clinical signs of hyperthyroidism are weight loss, increased appetite, and increased thirst and urination. Hyperthyroidism may also cause vomiting, diarrhea, and hyperactivity. The coat of affected cats may appear unkempt, matted, or greasy (see Figure 1).

How much is too much water for a cat?

When Your Cat is Drinking More Than 4 Ounces per 5 Pounds This is more than most cats need in a day. If this increased water intake is sustained over several days and isn’t in response to another factor (such as very hot temperatures outside), see a veterinarian.

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How often should I change my cats water?

Pets need constant access to clean water – water should be changed at least once daily. Keep your pet’s bowl fool and make sure to fill with fresh water every single day. It’s also important to keep your pet’s water bowl clean.

How often should a cat pee?

Cats evolved from the dry, arid regions of Mesopotamia1. Water was scarce, so they developed clever systems to maintain hydration. As a result, most healthy, adult indoor cats will urinate twice a day on average.

Do cats know when they are dying?

Because cats rely primarily on body language to communicate to one another, they must be attuned to biological and behavioral changes in the other animals around them. This includes detecting weakness or changes in body temperature and odor. They are also intuitive in that they often know when they are about to die.

What is Stage 3 kidney failure in cats?

Stage 3: The creatinine level is between 2.9 and 5.0, which means that 76% – 90% of kidney functions have been lost. At this stage, your vet might suggest subcutaneous fluid administration to combat dehydration and ease the burden on your cat’s kidneys. You can give the fluids at home using a very simple apparatus.

What are symptoms of a dying cat?

  • Extreme Weight Loss. Weight loss is very common in senior cats. …
  • Extra Hiding. Hiding is the telltale sign of illness in cats, but can be hard to define. …
  • Not Eating. …
  • Not Drinking. …
  • Decreased Mobility. …
  • Behavioral Changes. …
  • Poor Response to Treatments. …
  • Poor Temperature Regulation.

How long can a cat live with untreated diabetes?

Average length of life after diagnosis is variable dependent on which study is examined, however, average lifespans of up to around three years are reported in some studies.

What age can a cat get diabetes?

Diabetes occurs in a wide age range of cats, but most cats are over 6 years of age when diagnosed. The average age at diagnosis is 10 years and the peak incidence is between 9 and 13 years. Diabetes in young cats is extremely rare. Obesity increases the risk of developing diabetes 3- to 5-fold.

What happens if hyperthyroidism is left untreated in cats?

Feline hyperthyroidism is a common endocrine disorder in older cats, caused by the overproduction of thyroid hormone. Left untreated, hyperthyroidism can result in heart failure and other complications, and can even lead to death.

How long can an old cat live with hyperthyroidism?

Most cats that are diagnosed with hyperthyroidism and are treated only with medical management will live an average of 3-5 years before dying of either heart failure or kidney failure. But, those 3-5 years can be good quality years.

What is the life expectancy of a cat with hyperthyroidism?

The average age of cats with hyperthyroidism is approximately 12 years and about 5% of hyperthyroid cats are younger than 10 years of age.

Are cats in pain when they have kidney failure?

Cats with acute renal failure will feel very unwell in a short space of time. They often seem to be in significant pain due to swelling of the kidneys and may collapse or cry constantly.

How do they test for kidney failure in cats?

Your vet will do blood and urine tests. X-rays, an ultrasound (an image of your cat’s insides), or biopsy (tissue sample) might also be needed to make a diagnosis. If kidney disease is found, treatments can range from surgery to remove blockages to IV fluids to a special diet and medications.

How much does it cost to treat kidney disease in cats?

Kidney disease is another lifelong disease. It ranks fourth on Nationwide’s list of common ailments for cats and is the second-priciest condition, averaging $649 a year to treat.

Do cats recognize their owners?

Cats do not recognize owners by looking at them. Human resting faces all look the same to a cat. Instead, cats differentiate between humans by sound and smell. Cats learn to recognize an owner’s voice and will respond accordingly.

Do cats like ice cubes in their water?

Cats sometimes prefer drinking water that is cold, because they might perceive cold water to be fresher. Keep your cat’s water cold by replenishing it regularly. You could even pop a few ice cubes in the bowl if the weather is particularly warm.

Why do cats not like their water next to their food?

Cats are biologically programmed not to drink water which is near their food or near their toileting area – this is thought to be their instinctive avoidance of contaminating their water with potential sources of bacteria. … Cats prefer to drink out of ceramic, glass or metal bowls – plastic bowls can taint the water.

Why does my cat scratch the floor around her food?

Pawing or scratching around the food is not harmful in itself. It’s your cat instinct behavior to stay safe and hide the traces of her presence from other predators. In fact, some cat owners even find such behavior cute. So if it’s your case, feel free to leave your cat alone and don’t stop her from scratching.

What is the most common cause of death in cats?

The most common causes of sudden death in cats are heart disease and associated conditions. Feline cardiomyopathy or “heart muscle disease” and feline heartworm disease are the most common causes of sudden death in outwardly healthy cats. Both of these conditions frequently give no warning.

How old is a 13 year old cat in human years?

Cat Years (cat’s age according to the calendar)Human Years (cat’s age in equivalent human years, based on stage of development/aging)1160126413681472

What's the oldest cat that ever lived?

Creme Puff (August 3, 1967 – August 6, 2005) was a domestic cat, owned by Jake Perry of Austin, Texas, US. She was the oldest cat ever recorded, according to the 2010 edition of Guinness World Records, when she died aged 38 years and 3 days.

Do cats forget you?

Cats have excellent long-term memories. Studies show that it is around 200 times better than that of dogs. Cats have been known to retain information for up to 10 years but are highly selective about what they remember. … Cats will remember people they had a strong bond with; that is, those who fed and cared for them.