Pet Health

How To Tell If Your Dog Is Dehydrated

Learn to spot the signs of dehydration in your dog with our friendly guide! Keep your furry friend healthy and hydrated with these essential tips.
Author: Veterinary Team
Dial A Vet
Updated
June 6, 2025
|
Published
June 6, 2025
Dog drinking water from a bowl, showing signs of dehydration with droopy ears and dry nose.

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As a pet parent, it’s natural to worry about your dog’s health, especially if they seem a little “off.” Dehydration is a common issue in dogs that can sneak up on them, particularly during hot weather or after lots of exercise. But how can you tell if your dog is dehydrated, and what should you do about it? Let’s break it down so you can keep your pup safe and healthy.

⚠️ What to Watch For

Dehydration in dogs can show up in many ways, from subtle changes in behavior to more obvious physical signs. Here are some symptoms to look out for:

  • Lethargy or unusual tiredness
  • Dry nose, gums, or tongue
  • Sunken eyes
  • Loss of skin elasticity (skin doesn’t snap back when gently pinched)
  • Thick, sticky saliva
  • Dark yellow or reduced urine output
  • Excessive panting

If you notice any of these signs, it’s important to act quickly. Mild dehydration can often be managed at home, but severe cases require immediate veterinary care.

🔍 Possible Causes

Dehydration occurs when your dog loses more fluids than they take in, and it can happen for a variety of reasons. Understanding the underlying cause is key to preventing future episodes. Common causes include:

  • Hot weather or prolonged exposure to the sun
  • Excessive exercise without adequate water breaks
  • Vomiting or diarrhea
  • Fever or illness
  • Underlying medical conditions like kidney disease or diabetes
  • Poor access to fresh, clean water

According to VCA Animal Hospitals, dogs with certain health conditions or those taking medications may be more prone to dehydration (source).

✅ What You Can Do at Home

If you suspect mild dehydration, there are steps you can take at home to rehydrate your dog and monitor their condition:

  • Offer small amounts of fresh, cool water frequently instead of letting them gulp large amounts at once.
  • Try giving them ice cubes to lick if they’re hesitant to drink water.
  • Provide an electrolyte solution designed for dogs (consult your vet for recommendations).
  • Feed wet dog food to increase their water intake.

It’s important to avoid forcing your dog to drink, as this can lead to choking or vomiting. Monitor their symptoms, and if they don’t improve within a few hours, contact a vet.

💡 When to Call a Vet

While mild dehydration can often be managed at home, severe dehydration is a medical emergency that requires prompt veterinary attention. Here’s when to seek help:

  • Your dog is refusing to drink or eat
  • They’re vomiting or have persistent diarrhea
  • They appear very weak or disoriented
  • They have a fever
  • Skin elasticity doesn’t improve after rehydration attempts

Severe dehydration may require IV fluids and additional treatments to address the underlying cause. If you’re unsure about your dog’s condition, it’s always better to err on the side of caution and consult a vet.

FAQs

Q: How can I prevent my dog from getting dehydrated?
A: Always ensure your dog has access to clean, fresh water, especially during hot weather or after exercise. For active dogs, take water with you on walks and offer regular breaks to hydrate.

Q: Can I give my dog human electrolyte drinks like Gatorade?
A: It’s best to avoid human electrolyte drinks as they often contain sugars or additives that aren’t safe for dogs. Instead, use a vet-approved electrolyte solution designed for pets.

Q: What’s the quickest way to check if my dog is dehydrated?
A: A quick skin elasticity test can help. Gently pinch the skin between your dog’s shoulder blades; if it doesn’t snap back quickly, they may be dehydrated.

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References

While every effort is made to ensure the accuracy of this content - including vet review where applicable - this article is for informational purposes only and is not a substitute for professional veterinary advice, diagnosis, or treatment. If your pet is unwell or you are concerned, please speak with a licensed veterinarian. You can book a $49 online consultation with our veterinary team  😄
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