What Does A Dog’S Increased Liver Enzymes Mean?

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High liver enzymes in dogs can be caused by various conditions, both within and outside the liver. Common causes include medications like prednisone, Cushing’s disease, liver inflammation like hepatitis, and benign age-related changes. Elevated liver enzymes can serve as an early warning sign of liver problems or other health issues, as they can leak out of liver cells due to cell damage. AST is found in muscle cells and can also be found in the blood.

High liver enzyme levels in dogs are not a standalone ailment but rather an indicator of an underlying issue affecting the liver. This may be due to the liver being inflamed and preventing it, or it may increase with certain drugs, hormonal diseases, and bone growth. If elevated, ALT can signal liver or hepatic alert to liver cell death. This enzyme also comes from the kidney and may be causing increased liver enzyme activities.

Care is dependent on the cause and close monitoring is crucial. Elevated liver enzymes in dogs can indicate liver problems such as inflammation of the liver, which is called hepatitis.

Useful Articles on the Topic
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The Top Causes Of Elevated Liver Enzymes In DogsThe most common causes of elevated liver enzymes in canines are attributed to pharmacological agents such as prednisone, Cushing’s disease, hepatic inflammation including hepatitis, and other factors.www.kingsdale.com
What Does it Mean if a Dog has Elevated Liver Values?An elevation in serum levels is indicative of the leakage of enzymes from damaged liver cells. Additionally, AST is present in muscle cells.www.mspca.org
Elevated Liver Enzymes in Dogs and CatsAn elevation in the levels of any of these enzymes may be indicative of a hepatic issue, such as liver inflammation, which is clinically defined as hepatitis.www.amcny.org

📹 Raised Liver Enzymes…What Next? | #49

Your dog has had a routine senior blood test or pre-anesthetic screen and the liver enzymes are high. Your dog has no symptoms …


What is the most common cause of elevated liver enzymes?

Common causes of elevated liver enzymes include: Nonprescription pain medicines, particularly acetaminophen (Tylenol, others). Certain prescription medicines, including statins, which are used to control cholesterol. Drinking alcohol.

Can a dog's liver repair itself?
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Can a dog’s liver repair itself?

Depending on the cause, liver failure can occur at any time in a dog’s life. Some cases are reversible once the issue causing the problem is resolved. The liver is capable of regenerating itself and building new, healthy cells, but too much dead tissue causes scarring and cirrhosis.

The veterinarian will start by treating the symptoms of acute liver failure. Severely affected dogs are often comatose and will need to be given intravenous fluids and electrolytes to decrease blood toxicity. Diuretics or enemas could be given to clean out the system. If too much fluid in the abdomen is causing respiratory difficulty, a long needle may be inserted to siphon off some of the fluid. If the blood is not clotting properly, transfusion may be necessary as well as medications that assist coagulation, such as heparin or vitamin K. Antibiotics may be given to treat and/or prevent infection since the immune system becomes less functional with liver failure.

After stabilizing the symptoms, the veterinarian will try to treat the underlying cause of the liver disease. If poisoning was the issue, the condition may reverse itself once the toxins are flushed out of the body. Liver failure that is caused by an endocrine problem can often be rectified by treating this condition medically. Antibiotics or antifungal medication may be prescribed for bacterial or fungal infections. With viral infections, supportive management of the symptoms may be the only treatment possible until the immune system has fought the virus.

Surgery may be necessary to treat some causes of liver failure, such as cancer, cysts or vascular anomalies. This will depend on your dog’s overall health. Surgery will not be possible unless the symptoms of acute liver failure can be stabilized. Some conditions are inoperable, and there is always a certain amount of risk with surgery. Chemotherapy may be prescribed for some types of cancer.

What are the symptoms of a dog with liver problems?
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What are the symptoms of a dog with liver problems?

Signs that a dog has liver disease can vary and include loss of appetite, vomiting, stomach ulceration, diarrhea, seizures or other neurologic problems, fever, blood clotting problems, jaundice (a yellow tinge noticeable in the skin, mucous membranes, and eyes), fluid collection in the abdomen, excessive urination and thirst, changes in liver size, and weight loss. Gastrointestinal bleeding can be seen in animals with liver disease due to ulcers or problems with blood clotting. The veterinarian’s understanding of the potential causes of each of these signs helps him or her to diagnose illness and provide appropriate treatment.

A variety of blood tests can be useful in detecting and diagnosing liver disease. X‑rays and ultrasonography can help your veterinarian determine liver size and find irregularities, gallstones, and diseases of the gallbladder. Aspiration or biopsy procedures can be used to obtain samples for bacterial culture, cell and tissue analysis, and, when appropriate, toxicologic analysis. Other, less common tests, such as nuclear scintigraphy, may be used in some cases to identify portosystemic shunts (see below) and other blood vessel abnormalities.

Early treatment is critical for dogs with acute liver failure. Your veterinarian will prescribe specific treatment if an underlying cause be identified. In cases of longterm or end-stage liver disease, and in cases of acute liver disease when no underlying cause has been identified, supportive treatment is directed at slowing progression of disease, minimizing complications, and allowing time for the liver to regenerate and compensate.

What food causes elevated liver enzymes?

Eating certain kinds of food can increase the risk of developing NAFLD. Foods that are high in sugar, fat, and salt put extra stress on the liver. Fast food, packaged foods, and processed foods tend to contain a lot of these elements.

Can a dog recover from liver problems?
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Can a dog recover from liver problems?

If treatment starts before long-term damage occurs, a dog’s prognosis can be successful. The liver can regenerate and repair itself, which often means acute or mild to moderate liver disease has a good prognosis.

Chronic or severe liver disease, however, has a poorer prognosis. If a pup is diagnosed with these conditions, treatment is limited to managing the progression of the disease and minimizing symptoms.

The most common medical management of liver disease may include:

Can your liver recover from high liver enzymes?
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Can your liver recover from high liver enzymes?

About one-third of people with elevated liver enzymes will have normal liver enzyme levels after two to four weeks. If your liver enzymes stay high, your provider may order more blood tests, or imaging tests such as ultrasound, CT scan or MRI. They may also refer you to a liver specialist (hepatologist).

What does it mean to have elevated liver enzymes?. If you have high levels of liver enzymes in your blood, you have elevated liver enzymes. High liver enzyme levels may be temporary, or they may be a sign of a medical condition like hepatitis or liver disease. Certain medications can also cause elevated liver enzymes.

What are liver enzymes?. Liver enzymes are proteins that speed up chemical reactions in your body. These chemical reactions include producing bile and substances that help your blood clot, breaking down food and toxins, and fighting infection. Common liver enzymes include:

  • Alkaline phosphatase (ALP).
  • Alanine transaminase (ALT).
  • Aspartate transaminase (AST).
  • Gamma-glutamyl transferase (GGT).
Are elevated liver enzymes in dogs serious?
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Are elevated liver enzymes in dogs serious?

Your veterinarian may recommend doing blood tests for a variety of reasons, such as an annual wellness screening, prior to scheduling anesthesia or starting certain medications, or because your dog is acting sick. How the liver enzymes are interpreted depends upon the age and breed of your dog, history of certain medications, what (if any) clinical signs your dog has, as well as the specific lab results. A lot of times, the increase in liver enzymes is mild and self-limiting; rarely, it can indicate a serious underlying liver disease.

The main liver enzymes that your veterinarian may look at include the ALT (alanine aminotransferase) and ALP (alkaline phosphatase).

Liver enzymes can be elevated from liver disease or can be secondarily affected by other diseases or processes outside the liver, e. g., pancreatitis (inflammation of the pancreas), intestinal disease, or certain hormonal diseases such as diabetes or Cushing’s disease (overactive adrenal gland(s) producing too much cortisol). Certain medications, such as steroids (even in eye or ear medications) or phenobarbital (an antiseizure drug), can also cause elevations in liver enzymes.

Puppies will normally have an elevated ALP because ALP also comes from growing bones, not just liver cells. Some older dogs will have a benign accumulation of water, carbohydrates, or fat in the liver cells (so-called vacuolar hepatopathy). Others can develop nodules as an aging change. These diseases typically primarily cause an elevated ALP and do not really affect liver function or require treatment.

How long does it take for liver enzymes to normalize in dogs?
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How long does it take for liver enzymes to normalize in dogs?

The serum half-life of ALT is less than 24 hours. Levels peak two to three days after hepatic insult and return to normal in one to three weeks if hepatic insult resolves. A persistent increase indicates continuing hepatocellular insult. ALT levels may also be moderately increased in animals on anticonvulsant therapy and glucocorticoids and with biliary stasis.

Alkaline phosphatase (ALP). ALP is bound to membranes of bile canaliculi and bile ducts. Values are increased by any condition causing cholestasis, either intra- or extra-hepatic. Cholestasis results in increased synthesis and regurgitation of the enzyme from the biliary system into the serum.

Isoenzymes. Other isoenzymes of ALP are also found in bone, intestine, kidney tubules and the placenta. However, the half-life of the intestinal, renal and placental isoenzymes are so short (two to six minutes) that serum elevations of ALP would rarely occur from these organs. Usually an elevation in ALP is due to hepatic or bone isoenzymes. However, exogenous and endogenous glucocorticoids can induce a specific isoenzyme and thus result in elevated serum levels in the dog (but not in the cat). The value in measuring the ALP isoenzyme in the diagnosis of hyperadrenocorticism is highly questionable as the isoenzyme is increased by hepatic pathology as well as hyperadrenocorticism.

Can dry dog food cause liver problems?
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Can dry dog food cause liver problems?

Toxins: some toxins including pesticides, medication, chemicals, or mycotoxins from pet food (or corn-containing pet food) can lead to liver disease.

Malnutrition: an imbalanced diet can affect liver health. This can include excess carbohydrates or liver in the diet, or high levels of copper relative to zinc.

Genetics: some breeds are genetically predisposed to liver conditions:

How can I help my dog's liver enzymes go down?
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How can I help my dog’s liver enzymes go down?

By incorporating nutrient-rich foods such as lean proteins, whole grains, fruits, and vegetables into your furry friend’s diet, you can provide the necessary vitamins, minerals, and antioxidants to support their liver health. These foods can help detoxify the liver, reduce inflammation, and boost their immune system.

In addition to a liver diet, it is important to consult with your veterinarian for proper diagnosis and treatment. Together, you can ensure that your dog receives the best care possible and maintains optimal liver health. So, don’t wait any longer – start prioritizing your dog’s liver health today and witness the positive impact it can have on their overall well-being.

The importance of nutrition for dogs. Proper nutrition is essential for dogs to thrive and maintain optimal health. Just like humans, dogs require a balanced diet that provides them with the necessary nutrients to support their bodily functions. A well-rounded diet can help improve their immune system, promote healthy growth and development, and prevent various health issues.


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What Does A Dog'S Increased Liver Enzymes Mean?
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Elle Pierson

Hi, I’m Elle Pierson, RN, MBA—a passionate Healthcare Consultant dedicated to empowering individuals and organizations to achieve better health outcomes. As a TEDx Speaker, Author, and Mentor, I bring my expertise in medicine and healthcare management to help others navigate complex systems with confidence. My mission is to inspire change and create meaningful solutions in the world of healthcare. Thank you for joining me on this journey!

Education: Bachelor of Science in Nursing (BSN) and Executive MBA from Texas Woman’s University.
Email: [email protected]

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