Dog Not Drinking Water but Peeing (Why It Happens)

A dog not drinking water but still peeing is a confusing and concerning situation for many pet owners.

It raises questions about hydration, kidney function, underlying illness, and whether the dog is getting water from hidden sources like food or environmental moisture.

This guide outlines the common reasons why a dog may not drink water but still pee, what you can do at home, and when to seek veterinary help.

A dog may not drink water but still be able to pee because their body is receiving moisture from other sources, or because an underlying medical condition is altering their thirst signals or kidney function. Some dogs receive enough fluid from wet food or broth-enriched meals to maintain urination even when they ignore their water bowl.

Others pee normally at first but gradually decline as dehydration progresses. Hormonal conditions, urinary tract issues, nausea, and pain can also affect thirst while urine production continues for a while.

This combination can be misleading, making the situation seem less serious than it actually is.

Dog Not Drinking Water but Peeing

Dog Not Drinking Water but Peeing: Common Causes

Moisture Intake From Food or Broth

Dogs who eat wet food, fresh food, raw diets, or meals mixed with broth may still urinate normally despite not drinking from their bowl.

Wet food can contain up to 70–80% moisture, which is significantly higher than dry kibble at 8–10%. This hidden hydration is often enough to maintain a dog’s ability to pee, even if they ignore water entirely for a day or more.

You may assume your dog is dehydrated simply because they’re not drinking visibly, when in reality your dog is getting fluids through their meals.

Some dogs also prefer broth or flavored water and may drink only when moisture is added to food. This causes urination to appear normal even during periods of low direct water intake.

While this explanation seems harmless, it can mask early dehydration if the dog stops eating or if moisture intake decreases. It’s important to monitor behavior, appetite, and energy, not just urination.

Related: Dog only drinking water and not eating (Here’s why)

Early-Stage Dehydration 

Dogs can still pee during the early stages of dehydration because the kidneys continue producing urine until hydration levels drop severely.

Many owners believe that a dog who is urinating cannot be dehydrated, but this is a misunderstanding of how the body works. In early dehydration, the kidneys concentrate the urine rather than stopping urine production entirely.

As a result, the dog may pee smaller amounts, darker yellow urine, or less frequently, yet still produce some output.

A dog not drinking water but peeing may be entering this early stage, especially if they are also experiencing vomiting, diarrhea, heavy panting, or poor appetite.

This stage is particularly dangerous because owners may delay seeking care, believing their dog is hydrated simply because they are urinating.

If untreated, early dehydration progresses to moderate and severe dehydration, which can become an emergency.

Nausea or Gastrointestinal Upset

Nausea is one of the leading reasons for decreased thirst in dogs, and it often occurs without affecting urination right away.

A nauseated dog instinctively avoids drinking because swallowing water can worsen the discomfort.

Many dogs lick their lips, swallow repeatedly, drool, or turn away from the water bowl when nauseated. Causes include dietary issues, eating something inappropriate, pancreatitis, acid reflux, motion sickness, or reactions to medications.

Despite drinking less, these dogs may continue to urinate because urine already in the bladder must empty normally, and dehydration takes time to alter kidney output. Some may also continue to take in fluid through wet food, masking the severity of the situation.

If nausea persists, dehydration becomes more pronounced and urine output eventually declines — which is why early recognition is critical.

Pain 

Pain can significantly reduce a dog’s desire to drink water, yet urination may not be affected immediately.

Dogs recovering from injury, surgery, dental issues, or chronic pain conditions often drink less simply because moving toward the water bowl or lowering their head creates discomfort.

Dental pain can make swallowing painful, while neck pain makes it difficult to reach the bowl comfortably.

Musculoskeletal pain also causes lethargy, and many dogs avoid movement altogether when uncomfortable. Meanwhile, the kidneys continue functioning normally, so the dog continues to pee until dehydration progresses.

This cause is especially important to consider if the dog shows subtle signs like stiffness, trembling, reluctance to move, or vocalizing when touched.

Hormonal Imbalances 

Hormonal conditions such as Cushing’s disease, early kidney disease, diabetes mellitus, and Addison’s disease can alter a dog’s thirst drive, urine concentration, or kidney function.

These conditions often create a mismatch between how much the dog drinks and how much they urinate — especially in the early stages. For example:

  • In Cushing’s disease, hormones affect both thirst and kidney filtration, causing urine production even when water intake temporarily drops.

  • In early kidney disease, the kidneys may fail to concentrate urine properly, leading to normal or increased urination even when the dog is drinking less.

  • In Addison’s disease, electrolyte imbalances alter thirst signals, leading some dogs to avoid drinking even though urine production continues for a time.

You may notice other subtle signs like changes in appetite, fatigue, weight loss, or gastrointestinal issues. Hormonal conditions progress slowly and must be diagnosed early for the best outcomes.

Anxiety

An anxious or stressed dog may refuse water but continue peeing normally, especially during the first 12–24 hours of behavioral change.

New environments, travel, visitors, thunderstorms, loud noises, or routine disruptions can cause temporary avoidance of the water bowl.

Stress alters appetite and thirst signals, causing the dog to ignore normal needs. However, urination still occurs as the body eliminates previously stored urine.

This situation is common in dogs visiting groomers, boarding facilities, or homes with new pets or new babies.

Some dogs also refuse water when their bowl has been moved, changed, cleaned with strong-smelling products, or relocated too close to food or litter areas.

While stress-related thirst changes often resolve within a day, persistent avoidance can indicate an underlying illness or dehydration.

Read more: Dog Not Drinking Water and Kennel Cough (Why it happens)

What to Do If Your Dog Is Not Drinking Water but Peeing

Start by observing your dog closely to understand whether they are eating wet food or consuming moisture elsewhere. If they are still eating normally, they may be receiving enough hydration through their meals to maintain urination temporarily.

Offer water in a calm, comfortable environment and try raising or lowering the bowl to make drinking easier. Some dogs prefer moving water, so offering a pet fountain or gently swirling the water may spark interest.

If your dog responds well to flavoring, try adding a small amount of low-sodium chicken broth to the water to encourage intake.

Monitor your dog for signs of discomfort or nausea. If they seem queasy, lethargic, or uninterested in food, they may need veterinary support or anti-nausea medications to restore normal drinking.

Encourage rest, reduce stress, and keep the environment quiet and predictable, especially if anxiety is a factor.

Check your dog’s gums and hydration status. Sticky, dry gums, sunken eyes, or decreased skin elasticity suggest dehydration, even if your dog is still peeing. In these situations, hydration must be addressed promptly.

When to Call or Visit Your Vet

Contact your veterinarian if your dog has not drunk water for more than 12–24 hours, even if they are still peeing. Normal urination does not rule out illness or dehydration.

Seek urgent care if your dog is vomiting, refusing food, unusually lethargic, trembling, or showing signs of pain. These symptoms may indicate gastrointestinal disease, hormonal imbalance, infection, or early kidney issues.

If your dog’s urine becomes darker yellow, foul-smelling, or significantly reduced in volume, dehydration may already be progressing. Dogs with chronic illnesses, puppies, and seniors should be evaluated sooner, as they dehydrate more quickly.

Any dog showing signs of distress, weakness, or collapse needs immediate veterinary attention.

Read more: Dog Lethargic, Not Eating or Drinking and Vomiting  (What it means)

Key Takeaway

A dog not drinking water but peeing can be caused by hidden moisture intake, nausea, early dehydration, pain, hormonal changes, or stress.

While it may seem harmless at first, prolonged refusal to drink can lead to serious health issues. Watch your dog closely, encourage gentle hydration, and seek veterinary guidance if symptoms persist or worsen.

With timely care and attention, you can help your dog return to normal drinking habits and maintain healthy hydration.