Lethargy in Dogs: When is it an Emergency? | Veterinary Emergency Group (2024)

Is your dog lethargic? Are you getting worried about him? Lethargy is a common symptom in dogs, but how do you know when it’s something that requires an emergency vet visit?

In the article below, we’ll walk you through everything you need to know about lethargy in dogs. You can use this information to figure out when it’s time to see a vet right away and when you might be able to wait.

What is Lethargy?

Lethargy can sometimes be described as extreme tiredness, although it isn’t quite the same. A lethargic dog is not interested in his/her normal day-to-day life and is either unable or unwilling to get up out of bed very often. He/she may be weak and unable to move well, or he may be stiff and in a lot of pain when he/she moves.

A lethargic dog usually won’t show much interest in food, treats, or a favorite toy. He/she may watch the household move around him/her but won’t engage. He/she may be alert or only partially alert, depending on the severity of the lethargy.

What Conditions Have Lethargy as a Sign for Dogs?

In short, almost every dog ailment or condition can have lethargy as a sign, and this is why it’s crucial to pay attention to other signs your dog might show at the same time. If your dog is lethargic with no other symptoms, for example, she may simply have overtired herself on a long walk or playing at the dog park, or she might be too hot but not yet at the point of heatstroke. But if she has other symptoms, they can help you pinpoint the cause of the lethargy.

Common Conditions

Some conditions that can have dog lethargy as a common symptom include:

  • If your dog becomes injured in some way, such as a broken bone
  • Stung or bitten by a poisonous insect or snake
  • If your dog is in pain
  • Suffering from arthritis
  • Cancer
  • Organ disease
  • Diabetes
  • Ingestion of toxic substances or other common dog poisons
  • Digestive system problems
  • Hypothyroidism
  • Internal parasites
  • Eye problems
  • Neurological disorders
  • Dehydration

These are just some of the multitude of conditions that can cause lethargy to present as a symptom in dogs, and as you can see, the vast majority of problems can potentially lead to a lethargic dog that will require further vet care and attention.

Severe Conditions

Sadly, a dog may become lethargic when he is about to die as well. However, this type of lethargy is quite different and is usually a sign of a dog who is not able to move even if she/he wants to. She/he may try to get up but can’t, or she/he might show interest in her/his food but be unable to make it all the way over to her/his food dish. If your dog is lethargic and also showing signs that she/he is struggling to breathe, this may mean that she/he is about to die.

When is Lethargy in Dogs a Cause for Concern?

Lethargy is a cause for concern when it is moderate to severe. For example, if your dog is so lethargic that nothing gets his attention, then this is probably severe lethargy and will require an immediate visit to the emergency vet.

On the other hand, if your dog is fairly lethargic but will still pay attention or try to get up if you offer him his favorite treat, this is probably moderate lethargy. He might still need an emergency vet depending on his other signs, but he might be able to wait for his regular vet. Never hesitate to speak to a vet or emergency vet if you’re unsure about what to do for your dog.

If your dog’s lethargy is mild, he probably doesn’t need to see a vet at all, and he certainly doesn’t need to see an emergency vet. Mild lethargy may occur in dogs who overexert themselves, especially in hot weather. They may be sound asleep for a long while and may not rouse, but when they do wake up again, they usually feel fine and behave like they normally do. A dog with mild lethargy probably just needs to sleep off whatever is causing the problem, but you can certainly contact your regular vet if you feel it’s best to do so.

Don’t Hesitate to Seek Veterinary Care for Your Lethargic Dog

As you can see, there is a lot to keep in mind if your dog is lethargic. Sometimes, this problem is a sign of nothing more sinister than a dog who has had too much exercise on a hot day. However, at other times, it can be a symptom of a much more serious underlying problem that needs your attention as soon as possible.

If you think your dog is more lethargic than he should be given his recent activity, you should take him to the vet for a complete checkup. And if he is lethargic along with other signs, you may want to consider taking him to the emergency vet instead.

At VEG, when you call any one of our locations, you’ll always speak directly with an emergency vet who will be able to provide advice on what would be best to do for your pet. When it comes to your dog’s health, you always want to err on the side of caution, especially if you suspect something might be wrong. If you think your pet is suffering from a more serious case of dog lethargy, call a vet or emergency vet right away so your pet can get the care they need as soon as possible.

Lethargy in Dogs: When is it an Emergency? | Veterinary Emergency Group (2024)

FAQs

Is lethargy in dogs an emergency? ›

If your lethargic dog doesn't show other signs of illness, your veterinarian can advise you to monitor your pet for a few hours. No improvement after 24 hours warrants a physical exam and bloodwork. You should call for an emergency veterinary visit if you observe one or multiple symptoms in your lethargic dog.

What is considered extreme lethargy in dogs? ›

Lethargy can sometimes be described as extreme tiredness, although it isn't quite the same. A lethargic dog is not interested in his/her normal day-to-day life and is either unable or unwilling to get up out of bed very often.

How can you tell if a dog has reached an unsafe level of fatigue? ›

On the other hand, it could be severe lethargy if your dog's tired all the time with no obvious explanation and nothing gets their attention. You may have more cause for concern if they show other symptoms too, such as if your dog is lethargic and breathing heavily, panting or wobbly.

How to cure lethargy in dogs? ›

Many of the conditions that cause lethargy will require supportive care to help dogs feel better. Treatment may include fluid therapy and medications to ease symptoms. The vet may also prescribe medications that target a specific disorder. For example, bacterial infections typically require antibiotic treatment.

When to worry about a lethargic dog? ›

In situations where your dog is lethargic but showing no other signs of illness, your veterinarian might suggest waiting a few hours to see if the problem resolves on its own. If there is no improvement after 24 hours, your dog should see the vet for a full physical exam and bloodwork.

Is lethargy an emergency? ›

If someone seems lethargic but gradually becomes more alert and aware, it's likely not lethargy. If they stay lethargic or get worse over several minutes, they need medical attention. If they have other symptoms. Some symptoms, like those of a stroke, automatically mean that someone needs emergency care.

How many days can a dog be lethargic? ›

Lethargy is a sign that something may be troubling your dog. A lethargic dog may be uninterested in playing, going for a walk, or participating in activities they usually enjoy. Normal fatigue or sore muscles can sometimes be due to high temperatures, but you should see a vet if symptoms persist for more than two days.

How serious is lethargy? ›

Feeling lethargic can cause you to feel like you're moving around in a daze. It can make it hard for you to function, or be interested or attentive. Lethargy isn't a medical condition or a medical emergency; however, it could be a sign of stress, inadequate sleep, poor nutrition, or a health condition.

Can dehydration make a dog lethargic? ›

Dogs who are suffering from even mild dehydration may become lethargic. They may not feel like moving around much and may simply rest until they are able to rehydrate again.

What is the fastest way to rehydrate a dog? ›

If your pooch is mildly dehydrated provide your pet with small amounts of water to drink every few minutes or offer your dog pieces of ice to lick. To help restore your dog's electrolyte balance you could also provide your pup with Ringer's lactate (an electrolyte replacement fluid).

Why is my dog laying down and not moving? ›

The most common causes of lethargy in dogs are: Infection, including parvovirus, distemper, kennel cough and leptospirosis. Metabolic diseases, such as heart problems, liver problems, diabetes, and hypoglycaemia. Medications, such as newly prescribed drugs or a new flea or worm product.

What is the difference between a dog being lethargic and being tired? ›

Lethargy is very different from exhaustion. Lethargy is when your dog doesn't want to do anything, and it is not related to any strenuous activity such as playing in the yard. You will notice your dog lying in his favorite spot and not really moving from that location.

What is the best remedy for lethargy? ›

Self-help tips to fight tiredness
  • Get moving. ...
  • Lose weight to gain energy. ...
  • Sleep well. ...
  • Reduce stress to boost energy. ...
  • Talking therapy beats fatigue. ...
  • Cut out caffeine. ...
  • Drink less alcohol. ...
  • Drink more water for better energy. Sometimes you feel tired simply because you're mildly dehydrated.

What stops lethargy? ›

Increase physical activity – physical activity boosts energy levels, while a sedentary lifestyle is a known cause of fatigue. Physical activity has many good effects on the body and mind. A good bout of exercise also helps you sleep better at night.

How do I get my lethargic dog to drink water? ›

Some strategies you can try include:
  1. Changing their water source. Some dogs may prefer drinking from a specific bowl or a running water source.
  2. Adding flavor to their water. Some dogs may be more inclined to drink water if it's flavored with a small amount of chicken broth or apple juice.
  3. Offering ice cubes.

How do you tell if a dog is having a medical emergency? ›

Signs That Your Pet May Be Experiencing a Health Emergency
  1. Bloated, swollen or painful abdomen.
  2. Difficulty breathing, extreme coughing or choking.
  3. Inflammation or injury to the eye.
  4. Obvious pain.
  5. Staggering or stumbling.
  6. Uncontrolled bleeding.
  7. Repeated vomiting.
  8. Unconsciousness.
Aug 12, 2020

Why is my dog lethargic and wont lay down? ›

Serious Medical Issues

A dog who suddenly can't or won't lie down, has labored breathing when lying down, or assumes the “praying position” of lying down with his bum in the air, may be experiencing pain or discomfort due to a serious medical condition: pancreatitis, bloat, or heart disease, for example.

When to take a sick dog to the vet? ›

Signs Your Dog Needs to Go to the Veterinarian
  1. Change in Eating Habits. ...
  2. Drinking a Lot or Too Little. ...
  3. Difficult or Rapid Breathing. ...
  4. Vomiting or Changes in Stool. ...
  5. Lack of Energy or Lethargy. ...
  6. Poor Balance or Difficulty With Regular Movement. ...
  7. Irritated, Weeping or Red Eyes. ...
  8. Rashes or Skin and Hair Changes.

What are the signs of parvo? ›

These are some important signs to watch out for:
  • Lethargy.
  • Loss of appetite.
  • Vomiting.
  • Severe, often bloody, diarrhea.
  • Abdominal pain and bloating.
  • Fever or low body temperature (hypothermia)

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