Diabetes in dogs can be a sneaky condition, often masquerading as weight loss, which is why it's essential to be aware of the symptoms.
Weight loss is one of the most common signs of diabetes in dogs, and it's not just about the dog looking a bit thinner. Dogs with diabetes can lose up to 10% of their body weight in a short period.
As a dog owner, it's crucial to monitor your dog's appetite, as a decrease in appetite can be a sign of diabetes. If your dog is showing a decrease in appetite, it's worth consulting with your vet.
Dogs with diabetes may also exhibit excessive thirst and urination, which can lead to weight loss if left untreated.
What Is Diabetes in Dogs?
Diabetes in dogs is a disease of insulin deficiency, where the dog's pancreatic beta cells don't secrete insulin normally, or their tissues are resistant to insulin, or both.
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This interferes with how the body uses glucose, the body's main source of energy. The absolute or relative lack of insulin means the dog's cells can't take up glucose from the bloodstream as they would normally.
Diabetic dogs almost invariably require insulin for treatment, so diabetes in dogs is often described as insulin-dependent.
Glucose can't get into cells without the help of insulin, which is made by the pancreas. Think of insulin as the key to a lock, allowing glucose to enter the cells.
When glucose builds up in the blood because it can't get into the cells, it causes hyperglycemia, or high blood sugar.
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Diagnosis and Detection
If you suspect your dog is experiencing symptoms of diabetes, schedule an appointment with your veterinarian right away. They'll perform a physical examination, including checking for an enlarged liver, which is often a sign of diabetes.
Blood diagnostics will test for high levels of glucose, indicating diabetes. Your vet may also run additional tests to rule out other causes of high glucose levels, such as kidney or bladder stones, pancreatitis, thyroid issues, or Cushing's disease.
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A urinalysis will show the presence of glucose and ketones in the urine, which is a common indicator of diabetes. Your vet may also check for a urinary tract infection, which often accompanies diabetes.
Your veterinarian will use a combination of your dog's history, clinical signs, and test results to make a diagnosis. They'll check for high levels of glucose in the blood and urine, and may also check the fructosamine level to look at the average blood glucose level over the last three weeks.
A blood test that measures your dog's blood glucose level is the most common diagnostic tool, but a high glucose level doesn't always mean diabetes. Your vet may need to run additional tests to rule out other causes.
Here are some common tests used to diagnose diabetes in dogs:
- Radiography to look for kidney or bladder stones and pancreatitis
- Thyroid testing
- Testing for Cushing's disease
- Fructosamine test to look at the average blood glucose level over the last three weeks
Recognizing the Signs
Diabetes in dogs can be a silent disease, but there are common signs to look out for. Increased thirst and urination are often the first noticeable symptoms.
Frequent urination is a major indicator of diabetes, as the body tries to flush out excess glucose. Your dog may start having accidents in the house if they can't hold it in.
Increased hunger and thirst can lead to weight loss, even if your dog is eating more. This is because their cells are struggling to use the glucose, causing them to break down muscle and fat for energy.
Some dogs may also experience vomiting, lethargy, and a depressed attitude as the disease advances.
Here are some common signs of diabetes in dogs:
- Frequent urination
- Increased thirst
- Increased hunger and weight loss
- Vomiting
- Weakness or fatigue
If you notice any of these signs in your dog, it's essential to consult with a veterinarian for proper diagnosis and treatment.
What Vets Use to Diagnose
Vets use a combination of physical examinations, blood diagnostics, and urinalysis to diagnose diabetes in dogs. They'll check for an enlarged liver, high levels of glucose, and the presence of ketones in the urine.
A blood test is the most common diagnostic tool, but high glucose levels don't always mean diabetes. Vets may run additional tests to rule out other causes, such as kidney or bladder stones, pancreatitis, thyroid testing, and Cushing's disease.
To confirm a diabetes diagnosis, vets will measure your dog's glucose level repeatedly over many hours using a "serial blood glucose-concentration curve." This helps determine the best insulin, dose, and dosing schedule.
After treatment starts, vets will routinely test your dog to see how well the protocol is working. They'll use either a fructosamine test or a glycated hemoglobin test to reveal average control over the previous one to three weeks or two to four months.
Here are some common tests vets use to diagnose diabetes in dogs:
- Radiography to look for kidney or bladder stones and pancreatitis
- Thyroid testing
- Testing for Cushing’s disease
- Fructosamine test or glycated hemoglobin test to monitor treatment effectiveness
These tests help vets get a clear picture of your dog's health and make an accurate diagnosis.
Causes and Risk Factors
Diabetes in dogs is a serious condition that can be caused by a variety of factors. Approximately one in 500 dogs will develop diabetes, and certain breeds, such as Pugs, Cairn Terriers, and Samoyeds, are at increased risk.
Obesity is a significant risk factor, with obese dogs being more likely to develop diabetes. In fact, studies have shown that female dogs are twice as likely to develop diabetes as male dogs, and that older dogs, typically between 7-9 years old, are also at higher risk.
Some breeds are more prone to diabetes due to genetic predisposition, including Poodles, Schnauzers, and Dachshunds. Additionally, dogs with autoimmune diseases, such as pancreatitis, are also at increased risk.
Here are some of the risk factors for diabetes in dogs:
- Autoimmune disease
- Breed or genetics (e.g. Pugs, Cairn Terriers, Samoyeds)
- Obesity
- Pancreatitis
Symptoms
If your furry friend is showing signs of diabetes, it's essential to be aware of the symptoms. Increased thirst and urination are common indicators, as dogs with diabetes often drink more water and pee more frequently.
Dogs with diabetes may also experience increased appetite, which can lead to weight loss despite eating more. This can be a concerning sign, especially if you've noticed your dog is eating more than usual.
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Other symptoms of diabetes in dogs include a lack of energy, vomiting, and a depressed attitude. If left untreated, diabetes can lead to severe effects such as cataracts, urinary tract infections, seizures, kidney failure, and an enlarged liver.
Here are some common symptoms of diabetes in dogs:
- Increased thirst (polydipsia)
- Increased urination (polyuria)
- Increased appetite (polyphagia)
- Weight loss
- Eye cataracts
- Urinary tract infection
It's worth noting that 99% of diabetes cases in dogs are Type I, where the body is unable to produce insulin, and treatment involves daily insulin injections. Only 1% of dogs have Type II diabetes, where the body produces insulin but the cells are unable to use it, and can be treated with oral medications.
Causes of
Causes of diabetes in dogs can be a complex and multifaceted issue. Certain breeds, such as Pugs, Samoyeds, and Miniature Poodles, are more prone to developing diabetes due to genetic predisposition.
Obesity is a significant risk factor, as excess weight can lead to insulin resistance and other metabolic problems. Dogs that are overweight or obese are more likely to develop diabetes, especially as they age.
Autoimmune diseases, such as pancreatitis, can also contribute to the development of diabetes. Pancreatitis is a condition in which the pancreas becomes inflamed, leading to damage to the insulin-producing beta cells.
Some medications, including steroids and progestogens, can increase the risk of diabetes in dogs. Long-term use of these medications can lead to changes in the body that make it more difficult for the pancreas to produce insulin.
In addition, hormonal changes associated with pregnancy or certain phases of the estrus cycle can also increase the risk of diabetes. This is why female dogs are twice as likely to develop diabetes as male dogs.
Here are some of the key factors that can contribute to the development of diabetes in dogs:
- Genetic predisposition (e.g. Pugs, Samoyeds, Miniature Poodles)
- Obesity
- Autoimmune diseases (e.g. pancreatitis)
- Medications (e.g. steroids, progestogens)
- Hormonal changes (e.g. pregnancy, certain phases of the estrus cycle)
It's worth noting that diabetes can occur in any dog, regardless of breed or size. However, by understanding the potential causes and risk factors, dog owners can take steps to reduce their dog's risk of developing this condition.
Treatment and Management
Diabetes in dogs requires ongoing treatment and management to lead a normal life. Your veterinarian is crucial in managing your dog's diabetes and is available to consult on care concerns.
Insulin injections are a common treatment option, and there are various types of insulin and syringes available. Your veterinarian will let you know which type to purchase and train you how to inject your pet.
Injections are given using a small, hair-thin needle, and pets normally adapt well to daily injections. You may need to give 1-2 doses daily, at the same time each day.
A specific diet and regular exercise are required to control diabetes. Obesity can cause resistance to insulin therapy, so maintaining a healthy weight is essential.
Here are some potential side effects of insulin treatment for dogs to be aware of:
- Hypoglycemia (low blood sugar)
- Hyperglycemia (high blood sugar)
- Redness or itching at the site of the injection
- Allergic reaction
- Increased thirst
- More frequent urination
- Hunger
Your veterinarian will schedule blood glucose readings frequently to measure the effect of the insulin and make adjustments as needed. This may involve all-day glucose curves that monitor blood glucose every 2 hours.
Diet and Lifestyle Changes
Diet plays a crucial role in managing diabetes in dogs. Most veterinarians recommend a diet low in fat and high in fiber to slow the entrance of glucose into the blood and satisfy your dog's appetite sooner.
A prescription dog food designed for dogs with diabetes can be a great option, but some dogs may refuse to eat it. In that case, careful choices should be made when selecting a regular dog food.
Feeding a consistent diet at the same times each day is vital for dogs with diabetes. This helps regulate their blood sugar levels and can prevent spikes.
Proteins, fats, and carbohydrates are all sources of energy (calories) for dogs. It's essential to ensure your dog is getting the right balance of these nutrients.
Here are some key nutrients to focus on:
- Proteins
- Fats
- Carbohydrates
- Vitamins
- Minerals
- Water
Remember, managing diabetes in dogs is a team effort between you and your vet. By working together and making informed diet and lifestyle changes, you can help your furry friend live a healthier, happier life.
Complications and Side Effects
Diabetes treatment in dogs can have some unwanted side effects.
Insulin treatment, a common approach to managing diabetes in dogs, carries potential risks. Hypoglycemia, or low blood sugar, is one possible side effect of insulin treatment.
Hyperglycemia, or high blood sugar, can also occur. This is often a result of improper insulin dosing or other factors.
Redness or itching at the injection site is another possible side effect. Some dogs may experience an allergic reaction to the insulin itself.
Increased thirst and more frequent urination are common symptoms of diabetes in dogs, but they can also be side effects of insulin treatment. Hunger is another potential side effect.
Here are some common side effects of insulin treatment in dogs:
- Hypoglycemia (low blood sugar)
- Hyperglycemia (high blood sugar)
- Redness or itching at the injection site
- Allergic reaction
- Increased thirst
- More frequent urination
- Hunger
Frequently Asked Questions
What are the warning signs of diabetic ketoacidosis in dogs?
Warning signs of diabetic ketoacidosis in dogs include excessive thirst, vomiting, lethargy, and weight loss, often accompanied by increased urination and respiratory rate. If you notice these symptoms, seek veterinary attention immediately to prevent complications.
Sources
- https://wagwalking.com/condition/diabetes
- https://www.thewildest.com/dog-health/preventing-and-treating-canine-diabetes
- https://www.rspcapetinsurance.org.au/pet-care/dog-care/dog-diabetes-symptoms-treatment
- https://www.dogsnaturallymagazine.com/diabetes-in-dogs/
- https://www.sydneyvetspecialists.com.au/diabetes-mellitus-in-dogs/
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