How Long Can A Dog Survive Without Water ?

How long can a dog survive without water ? Dehydration in dogs is common and, in some cases, a life-threatening condition. Dogs can survive for up to three days without access to water. The same argument applies to most land mammals.

Going for longer than three days without any water consumption poses a high risk in your dog’s health. You should be worried if your dog is suddenly not taking water.

This could be indicative of an underlying health issue and should be looked into by your vet. Your dog should be well hydrated at all times for it to achieve prime health condition.

Since you are a good pet owner, this article will help you learn about dehydration causes, effects, and the needed actions you should take to solve this problem.

What Causes Dehydration in Dogs?

One of the most common causes is the reluctance to drink the water due to a sore mouth. Dogs can develop a sore mouth from wounds or cuts gotten when playing with things such as sticks. When water gets into contact with the sores, your dog will feel pain and likely avoid drinking water again. So, check for mouth sores when your dog suddenly revolts against drinking water or eating food.

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If you have a sick dog, probably one that is continually vomiting or has diarrhea, dehydration is likely to occur. Both vomiting and diarrhea cause water loss very quickly in dogs, which is a hazardous condition if left unattended. Which simply means that the attention of your vet should be drawn into such a situation. The right medication will be prescribed to your dog to prevent further vomiting and diarrhoea.

how long can a dog survive without water

The last thing that may cause your dog’s dehydration is the lack of access to water. When you leave for work or any other activity, ensure that you leave enough water for your fur buddy.

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Effects of Dehydration in Dogs

Reduced appetite – Lack of water causes difficulty indigestion and even swallowing food. Diminished appetite in your dog is one of the effects that come with your dog being dehydrated. It is also one of the symptoms of dehydration.

Sunken eyes – When your dog gets dehydrated, all the muscles in the eyes and the eyes get dehydrated as well. This causes the muscles to get weak and eventually sunken.

Dry nose – A healthy dog should always have a moist nose. If your dog lacks enough water, then its nose dries up and starts cracking. A dry nose is also an indication of your dog being ill.

Reduced skin elasticity – Usually, with healthy dogs, their skins return to place quickly right after a tug. But dehydration causes your dog’s skin to return back to place slowly.

Lethargy – This is the lack of energy in your dog arising from low blood circulation in the muscles. Dehydration reduces the blood flow in your dog’s muscles, which causes it to be abnormally tired.
If your dog exhibits some of the above effects or symptoms, the option you have is to seek medical advice immediately.

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How to Prevent Dehydration in Dogs

Here are some of the ways to ensure that your dog is adequately-hydrated:

Avoid Salty Foods

Salty foods tend to make dogs feel thirsty at all times. However, this can only be good when your dog drinks water from the thirst. In most cases, your fur buddy might not even show interest in water after eating meals with high salt content. Other than that, excess salt in your dog’s meals can cause tremors or even high blood pressure.
If you can’t erase salty foods, at least ensure that your dog drinks enough water after a salty meal or snack.

Make Sure Water is Always Available

Ensure that your dog has easy access to water whenever you are not around. Also, make sure that you place the water bowl in strategic places around your home. If your dog is playing in the backyard, then there should be a water bowl outside too. The other thing is that you should monitor the water level in the bowls at all times, just in case they need a refill.

How Many Days Can A Dog Go Without Water ?

Take Water on Walks

You must carry water for both you and your dog, especially during long walks or hot weather. If you feel thirsty during walks, then a good rule of the thumb is to check on your fur buddy’s thirst.


So, how long can a dog survive without water? Generally, dogs can last up to three days without drinking water, but extreme heat ends up reducing how long they can last.

Your dog’s body mostly functions like human bodies. Your dog needs water to serve multiple purposes in its body to remain healthy. Therefore, you need to ensure that you treat your dog with as much care as you do to yourself or your kids.

Preventing dehydration in dogs need to have warning signs you should know when to get your dog to drink water or have a small dog refusal to drink. Eating and drinking after long walks could help with identifying symptoms of dehydration or signs of dehydration. You need access to water and making sure you check skin elasticity when dogs go without water the dog is dehydrated has sunken eyes and need energy to fuel and this amount of water can help your dog s body get lot of water and the dog food when leaving your dog during the day.