Why does my cat drink a lot of water?


If you have noticed that your cat drinks more water than usual and you are concerned, it is important to know the possible causes that may have caused this change. If it is not an excessive increase, it may not be anything that could put your health at risk. However, drinking lots of water can be linked to illness kidney, diabetes or hyperthyroidism.

Before you start, you need to know some terms to familiarize yourself with them: polydipsia it is the need or increase in fluid intake; the polyuria, is the increase in urine. Both disorders are often accompanied.

How to know if my cat drinks a lot of water?

Normally, increased water intake does not occur overnight and it is usually somewhat gradual. That is, cats do not drink the usual amount of water one day and much more each day. Also, how do we know if our cat drinks the right amount? For this it is necessary that we know what is the normal water intake in a cat, taking into account that it will never be the same in one individual as in another.

The amount of water a cat drinks It can vary according to age, size, diet and whether it is male or female. The time of year also influences, since we do not drink the same in summer as in winter. In general, an adult cat weighing around 5 kg should drink about 300 ml of water a day, although up to 500 ml would be within normality. In this other article you will find all the information regarding how much water a cat should drink.

You will also be able to know if your cat drinks a lot of water by paying attention to its litter since, if the intake increases, so will urinate more and more often. So, see if your cat goes to the bathroom more often or if you notice that you have to clean his litter tray more times than usual.

To know the exact amount of water your cat drinks per dayYou just have to measure the milliliters that you put into your bowl first thing in the morning and check how much you have drunk at the end of the day.

Causes why a cat drinks a lot of water

When a cat drinks more than normal, it does not have to mean that he is sick. There are different reasons that may cause them to need to drink more fluids at certain times or situations.

  • High temperature. In the summer months, cats increase their water intake to avoid dehydration from the heat.
  • Dry feed. Cats that eat only feed or this is the main food of their diet drink more water than those that eat wet food. This is because wet food already provides them with up to 80% water.
  • High physical activity. Active cats that get more exercise also need more water than those that lead sedentary lives.
  • Lactation. A nursing cat drinks more water.
  • Medication. Some medications such as corticosteroids or anti-inflammatories can cause polydipsia.

He stress or a strong mental stimulus are other causes that can cause your cat to drink a lot of water.

Possible health problems for which a cat drinks a lot of water

When polydipsia goes from being something specific to being a repeated and continuous behavior, we must begin to worry. There are a series of diseases that are directly related to increased water intake, this being the most common symptom.

  • Chronic renal insufficiency. It affects the kidneys and usually appears in older cats.
  • Feline diabetes mellitus. The pancreas does not make enough insulin.
  • Feline hyperthyroidism. Metabolic disorder due to an excess of thyroid hormone.
  • Urinary problems such as cystitis, bladder stones, crystals in the urine, or other infections.

You can learn more about these diseases and how they affect the health of our cats on the blog, through the search engine.

If you think that your cat drinks a lot of water, you should not remove it to prevent it. Take him to his veterinarian so he can help you know the reason and you can detect any health problems early. You should NEVER limit their water intake since, if you drink more, it is because your body needs it.


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