5 Reasons Why Your Pet Rat is Drinking a Lot of Water

Water is certainly essential for human survival, so it comes as no surprise that water is also essential for the health of your rat. Because rats are so little, estimating the amount of water they require may be difficult to determine. In this article, we’ll talk about how much water a pet rat should drink on a daily basis. We will also go through some of the possible reasons your pet rat is drinking a lot of water that can affect the health of your rat.

The fact that rats may be taking more water than usual is due to a variety of factors that shouldn’t cause you concern. Like humans, your pet rat will occasionally become abnormally thirsty at certain points in its life. They are the first to be discussed, and then we will go on to some more significant considerations.

Reasons Why Rats Drink A Lot Of Water

Rats are incredibly intelligent animals and like to keep themselves hydrated. If you’ve noticed that your pet rat is drinking more water than usual, it could be for one of several reasons.


Depending on the weather, it is conceivable that the water requirements of your rats will alter. If you have a particularly hot summer, your pet rat may well use more water than he should on a regular basis.

Unless the excessive drinking is genuinely a reaction to the extreme heat of the day, there is no cause to be alarmed.

Activity Level

Those rats who are highly active may also consume more water than their more sedentary peers. Having an energetic rat may result in him consuming more water than usual because his body requires more hydration overall.

Unless the increased drinking is a reaction to something specific, there is no reason to be alarmed in this situation.

possible reasons your pet rat is drinking a lot of water


A dusty or filthy environment may cause your pet rat to drink more water to keep himself clean, and this may be a good thing. Rats are quite conscientious creatures, and they will frequently lick their fur to keep it as clean as possible.

A dusty or dirty environment might irritate their skin, causing them to drink more water in an attempt to flush the toxins from their system.


If your rat’s feed contains a lot of moisture, he will naturally consume less water than he would otherwise. In contrast, if his diet is deficient in moisture, he will drink more to make up for the lack of moisture.

As a result of the rat’s body attempting to compensate for the lack of fluids, a dry diet might result in increased thirst.

Medical Conditions

When rats are suffering from certain medical disorders, they may need to drink more water than they normally would. Diabetes is the most prevalent of these, although there are others as well.

You should take your rat to the veterinarian for a checkup if he appears to be consuming more water than usual and you can’t think of a reason why. He could be suffering from a medical condition that necessitates medical attention.

How Much Water Do Pet Rats Need?

As previously said, estimating the amount of water required by a pet rat might be difficult to do. We can only provide you with a rough guideline at this point.

In order to maintain their health, adult rats should consume approximately 20-30 milliliters of water per day, which is equal to two or three teaspoons.

It is possible that this amount will grow if the rat is exposed to high temperatures, is active, or lives in an environment with plenty of dust. Rats’ water requirements of rats vary depending on their diet. If their cuisine is high in moisture, they will require less water, and if their diet is low in moisture, they will require more.

Benefits of Water To Pet Rats

The general health of your pet rat is dependent on his or her ability to consume large amounts of water. It supports the elimination of toxins from the body, the maintenance of healthy skin, and the digestion of meals.

In addition, water can aid in the regulation of the body’s temperature, which is especially important in hot weather conditions, as previously mentioned. In addition to being lethargic, a dehydrated rat may show signs of illness such as vomiting and diarrhea.

Provide your pet with access to fresh, clean water on a consistent basis, and get advice from your veterinarian if you are ever in doubt about how much he is drinking.

What Is The Water Best For Rats?

Fresh, pure water that is free of toxins is the ideal type of water for your pet rat to drink. If at all possible, avoid using tap water and instead opt for filtered or bottled water.

Rats are quite picky about their water and will frequently refuse to drink unclean or stagnant water if they can help it. Ensure that your pet’s water dish is constantly clean and full of fresh, cold water at all times.

If your rat does not appear to be drinking enough water, you may need to raise the size of his water dish or change the type of water he is drinking, depending on the situation. Many rats prefer rushing water to stagnant water, so if your rat isn’t drinking enough, consider using a pet fountain to encourage him to drink more.

possible reasons your pet rat is drinking a lot of water

What Are The Liquids To Avoid?

There are a few drinks that you should avoid providing to your pet rat for various reasons. These are some of them including:


Milk can make rats sick because they are lactose intolerant, and ingesting it can make them sick.

Sugary drinks

These can result in tooth decay as well as other health issues.


Drinking alcohol has detrimental consequences on rats that are very severe, and excessive use of alcohol can be lethal in some cases.


Some chemicals, such as bleach, can be toxic to rats and should be avoided.

Final Thoughts

So those are five possible reasons why your pet rat might be drinking more water than he should be. As long as none of these reasons seem to apply to your situation, then there’s no need to worry.

However, if you are at all concerned, it is always best to get your rat checked out by a vet just to be on the safe side. Thanks for reading!

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