How Long Can a Dog Go Without Water?

Keeping your dog hydrated is very important to its health. You should always ensure that your dog has a constant supply of water but what happens if the there is no supply of water? How long can a dog go without water? Let us have a look.

If you happen to go to work and forgot to fill your dog’s bowl with water, your dog will survive the next eight hours without any problems. But you should not make it a habit. Hydrating your dog all the time will help it have great overall health.

Dogs need to drink water every day and if your dog has refused to drink because it is ill, you need to know how long that can last. A normal and health dog can go 6-10 hours without water, and it will still be okay. So, you should never panic if you forgot to fill the bowl on your way to work.

Your dog can go for 72 hours without water, but you will start noticing the effects of dehydration after the first 24 hours. After 72 hours, you will be staring at irreparable damage that can seriously affect your dog.

If your dog is always indoors and in great health, it will be fine during the day but remember to give it water when you get back home. You should never avoid giving your dog water intentionally because you do not want it to pee in your house. Let us look at what will happen within the 72 hours.

How Long Can a Dog Go Without Water

How Long Can a Dog Go Without Water

Day One

Your dog will start having less energy after a full day without water. It will start panting heavily which means that it is very dehydrated. Start by giving your dog cool water and food rich in moisture in small doses. This will help your dog cool down gradually.

Day Two

Two full days without water, your dog will start experiencing weakness and change in behavior. Its mobility will be less because of lethargy. Make sure to give it moisture rich food and water and if your dog is down and flat and unable to drink water, you should quickly visit the nearest vet.

Day Three

By the third day if your dog has not had any water or moisture rich food, your dog is in the critical and dangerous condition. Your dog will need an IV fluid because it will be very weak and lethargic. Dogs at this stage may not walk at all or can only walk a small distance. You should take serious measure to avoid organ damage or death.


Water is very important to dogs as it makes up more than 70% of the dogs’ body. This means that you should always maintain a constant water supply for your dog daily. Make sure you know the amount of water your dog can take daily to avoid dehydrating your dog. Your dog’s moisture can also be supported through food.

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