Diabetic Emergencies in Dogs and Cats: Diabetes, DKA and When to Seek Urgent Care

Medically reviewed by Bryan Hayter, DVM, Owner and Medical Director of Aliso Beach Animal Clinic.
Last medically reviewed: September 2026

A dog or cat that suddenly begins drinking substantially more water, urinating more often, and losing weight despite a normal or increased appetite may be showing the classic signs of diabetes mellitus. These changes deserve prompt veterinary evaluation even when the pet otherwise seems comfortable.

The situation becomes substantially more urgent when excessive thirst, urination, or weight loss is followed by loss of appetite, vomiting, profound lethargy, dehydration, weakness, abnormal breathing, or collapse. Those changes can indicate diabetic ketosis or diabetic ketoacidosis (DKA)—a potentially life-threatening metabolic emergency.

Diabetes and DKA are related, but they are not the same condition. A stable diabetic patient may be diagnosed and begin treatment without intensive hospitalization. A patient with DKA may require intravenous fluids, electrolyte correction, insulin therapy, frequent laboratory monitoring, treatment of an underlying illness, and sometimes 24-hour critical care.

Urgent warning: If your dog or cat is repeatedly vomiting, cannot keep water down, is profoundly weak, collapsing, severely lethargic, or having difficulty breathing, call a veterinarian immediately. During regular clinic hours, call (949) 499-4190 before coming to Aliso Beach Animal Clinic. We provide same-day urgent veterinary care in Laguna Beach when availability and the patient’s condition allow. We are not a 24-hour emergency hospital, and patients requiring continuous overnight intensive care may need referral to a 24-hour facility.

Quick Answer: When Does Diabetes Become an Emergency?

The blood glucose number alone does not determine whether a diabetic pet is in crisis. What matters is the entire patient.

What you are seeing	What it may indicate	Recommended response
Drinking and urinating more, losing weight, but still eating and acting relatively normal	Possible uncomplicated diabetes mellitus	Arrange prompt veterinary evaluation. Same-day assessment is often appropriate.
Excessive thirst or urination plus decreased appetite, vomiting, diarrhea, or marked lethargy	Diabetic ketosis, DKA, pancreatitis, infection, kidney disease, or another significant illness	Call promptly for urgent evaluation.
Repeated vomiting, refusal to eat, significant dehydration, weakness, abnormal breathing, mental dullness, or collapse	Possible DKA or another critical metabolic illness	Seek immediate veterinary care. A 24-hour emergency hospital may be necessary.
Known diabetic pet suddenly vomiting, not eating, becoming weak, or acting neurologically abnormal	DKA, hypoglycemia, severe hyperglycemia, concurrent illness, or treatment complication	Do not guess at an insulin adjustment. Contact a veterinarian immediately.

What Diabetes Mellitus Actually Does

Diabetes mellitus is a disorder of glucose regulation caused by inadequate insulin production, impaired insulin action, or both. Insulin allows glucose circulating in the bloodstream to be used effectively by tissues throughout the body.

When insulin activity is inadequate, blood glucose rises. Once blood glucose exceeds the kidney’s ability to reabsorb glucose, glucose spills into the urine. Water follows that glucose through a process called osmotic diuresis. The result is excessive urine production and, in compensation, excessive thirst.

At the same time, calories are being lost through the urine and tissues cannot use glucose normally. The patient may therefore become increasingly hungry while continuing to lose weight and muscle.

This produces the classic clinical pattern:

• Polyuria: urinating substantially more than normal
• Polydipsia: drinking substantially more than normal
• Polyphagia: increased appetite, particularly early in the disease
• Weight loss: despite eating normally or excessively

The Merck Veterinary Manual describes persistent hyperglycemia and glucosuria as central findings in clinical diabetes mellitus.

Diabetes Is Not the Same Disease in Dogs and Cats

Dogs and cats share many outward signs of diabetes, but the underlying disease behaves differently enough that diagnosis, treatment, and monitoring should not be approached identically.

	Dogs	Cats
Typical physiology	Most diabetic dogs develop substantial or essentially absolute insulin deficiency.	Insulin resistance, glucose toxicity, and progressive pancreatic beta-cell dysfunction commonly interact.
Diagnosis	Compatible clinical signs with concurrent hyperglycemia and glucosuria strongly establish the diagnosis.	Sustained hyperglycemia must be demonstrated because stress alone can substantially increase feline blood glucose.
Remission	Generally uncommon; most dogs require lifelong insulin.	Some appropriately treated cats can enter diabetic remission.
Important complication	Diabetic cataracts are common and may develop rapidly.	Diabetic peripheral neuropathy can cause hind-limb weakness and a plantigrade stance.
Current treatment landscape	Insulin remains required for diabetic dogs.	Insulin remains important, but selected newly diagnosed cats may also be candidates for newer oral SGLT2-inhibitor therapy after appropriate veterinary screening.

The distinction matters. The 2026 AAHA Diabetes Management Guidelines for Dogs and the separate 2026 AAHA Diabetes Management Guidelines for Cats now provide species-specific recommendations because canine and feline diabetes differ substantially in pathophysiology, diagnosis, treatment, and monitoring.

Early Diabetes Versus Diabetic Ketoacidosis

A patient can have diabetes without having DKA.

A stable diabetic dog or cat may still be bright, alert, eating, and interacting normally. The clues may be surprisingly subtle: a water bowl that empties faster, larger urine clumps in a cat’s litter box, nighttime requests to go outside, unexplained weight loss, or a gradual decline in muscle mass.

DKA represents metabolic decompensation. Insulin activity has become insufficient not only to control blood glucose but also to prevent excessive fat breakdown. Free fatty acids are converted in the liver into ketone bodies. As ketones accumulate, acid-base balance, hydration, and electrolyte concentrations can deteriorate rapidly.

Classically, DKA involves three related abnormalities:

• Diabetes or significant derangement of glucose metabolism
• Ketone production or ketosis
• Metabolic acidosis

DKA can produce dehydration, hypovolemia, potassium and phosphorus abnormalities, acid-base disturbances, nausea, vomiting, anorexia, weakness, altered mentation, and potentially circulatory shock.

Ketonuria alone does not prove DKA. A pet can have ketones without severe acidosis. Conversely, a seriously ill diabetic patient should not be dismissed simply because a urine ketone result appears modest. Clinical status, blood chemistry, acid-base assessment when available, and ketone testing must be interpreted together.

Signs of Diabetes in Dogs and Cats

The most consistent early pattern is:

• Drinking considerably more water than usual
• Urinating more frequently or producing much larger amounts of urine
• Weight loss without intentional calorie restriction
• Normal or increased appetite despite weight loss

Additional findings may include:

• Loss of muscle over the spine, pelvis, or hindquarters
• Reduced coat quality or general loss of body condition
• Recurrent skin or urinary infections
• Cloudy eyes or visual impairment in dogs due to diabetic cataracts
• Hind-limb weakness in cats
• A plantigrade stance in cats, in which the hocks drop toward the floor
• Reduced jumping ability in cats
• Progressive lethargy as metabolic control worsens

The American Veterinary Medical Association similarly identifies excessive drinking and urination, weight loss, lethargy, cataracts in dogs, recurrent infections, and abnormal hind-limb posture in cats as important warning signs.

Signs That Raise Concern for DKA or Another Diabetic Crisis

A diabetic or possibly diabetic patient becomes much more concerning when the clinical pattern changes from drinking, urinating, and losing weight to systemic illness.

Warning signs include:

• Loss of appetite or complete refusal to eat
• Vomiting, particularly repeated vomiting
• Diarrhea
• Marked lethargy or hiding
• Weakness or inability to stand normally
• Wobbliness
• Dehydration
• Rapid, unusually deep, or labored breathing
• Dull or altered mental status
• Collapse

Some people associate an acetone-like or unusually sweet odor on the breath with ketosis. That can occur, but the presence or absence of a detectable odor is not a reliable way to diagnose or exclude DKA.

These signs also overlap with pancreatitis, kidney disease, gastrointestinal disease, infection, toxin exposure, adrenal disease, and other urgent medical problems. That overlap is why examination and laboratory testing are so important.

For pets with vomiting or diarrhea, see our guide to vomiting and diarrhea in dogs and our same-day urgent veterinary care service.

What DKA Often Looks Like in Real Life

Many owners do not see a single dramatic moment when diabetes begins. Instead, there is often a progression:

1. The pet begins drinking more.
2. Urination increases.
3. Weight or muscle is gradually lost.
4. The pet may continue eating well for a period of time.
5. The appetite then becomes inconsistent or disappears.
6. Vomiting, lethargy, or weakness develops.
7. The patient suddenly appears much sicker than expected.

DKA can occur in a pet whose diabetes has never previously been diagnosed, but it can also occur in an animal already receiving treatment.

Common precipitating or complicating conditions include:

• Pancreatitis
• Urinary or other infections
• Kidney disease
• Inflammatory disease
• Hyperadrenocorticism in dogs
• Insulin resistance from concurrent disease
• Missed or inadequate insulin
• Loss of appetite or vomiting that disrupts the normal treatment routine
• Corticosteroid or progestogen exposure in susceptible patients

This is a critical internal-medicine principle: DKA is often diabetes plus something else. Correcting glucose without searching for the precipitating disease can leave the most important part of the case untreated.

How Veterinarians Diagnose Diabetes

A history of excessive thirst does not by itself diagnose diabetes. Polyuria and polydipsia can also occur with kidney disease, liver disease, hyperadrenocorticism, pyometra in an intact female dog, hyperthyroidism in cats, certain medications, electrolyte abnormalities, and other systemic illnesses.

The diagnostic question is therefore not simply, “Is the glucose high?” It is:

Does this patient have sustained pathologic hyperglycemia, glucosuria, compatible clinical signs, and evidence of complications or concurrent disease?

Diagnosing diabetes in dogs

In a dog with classic clinical signs, the combination of hyperglycemia and glucosuria is highly diagnostic. The current 2026 AAHA canine diabetes guidelines emphasize concurrent hyperglycemia and glucosuria when establishing the diagnosis.

Dogs generally do not develop the same magnitude of stress hyperglycemia that can complicate interpretation in cats, although the entire clinical picture still matters.

Diagnosing diabetes in cats

Cats require more diagnostic caution. Stress from travel, handling, restraint, or hospitalization can cause substantial transient hyperglycemia.

For that reason, the 2026 AAHA feline diabetes guidelines emphasize evidence that hyperglycemia is sustained, rather than relying on one elevated hospital blood glucose measurement.

Evidence may include compatible clinical signs together with findings such as:

• Repeated hyperglycemia or glucosuria under less stressful conditions
• An elevated fructosamine concentration
• Home glucose information when appropriate
• Continuous glucose monitoring data in selected patients

This distinction helps prevent both overdiagnosis of a frightened hyperglycemic cat and underdiagnosis of true diabetes.

Why Blood and Urine Testing Matter

Blood testing and urinalysis answer different questions.

Blood glucose shows the glucose concentration at that moment.

Urinalysis can show:

• Whether glucose is spilling into the urine
• Whether ketones are detectable
• Urine concentration
• Evidence of inflammation or infection
• Other abnormalities that may point toward concurrent disease

At Aliso Beach Animal Clinic, a patient suspected of having diabetes can be evaluated with a physical examination and in-house blood work and diagnostic testing. Depending on the patient, additional testing may include urinalysis, urine culture, ketone assessment, specialized laboratory tests, diagnostic imaging, or referral.

Fructosamine: A Longer View of Blood Glucose

Fructosamine is often described casually as the veterinary equivalent of a human A1C, but that comparison is incomplete.

Fructosamine measures glycated serum proteins and provides information about glucose exposure over approximately the preceding one to two weeks, with current feline guidance describing a particularly short recent window of roughly 7–10 days.

That makes fructosamine useful when:

• A cat may have stress hyperglycemia rather than persistent diabetes
• One blood glucose result does not fit the clinical picture
• A veterinarian needs a broader view than a single glucose measurement provides
• A known diabetic patient’s overall glycemic control is being assessed

Fructosamine is not perfect and should never be interpreted without context. Conditions that alter serum protein turnover, including some endocrine and protein-losing disorders, may affect the result.

It is therefore best understood as one component of a diagnostic picture rather than a stand-alone diabetes test.

Ketone Testing: Why Beta-Hydroxybutyrate Matters

Ketones are produced when the body shifts heavily toward fat metabolism. The predominant ketone generated early in DKA is beta-hydroxybutyrate (BHB).

Traditional urine ketone strips primarily detect another ketone, acetoacetate. They remain useful, but blood BHB testing can identify ketosis earlier and more directly in some patients.

The 2026 AAHA canine DKA guidelines specifically discuss point-of-care blood BHB testing because it can improve recognition of early ketosis.

The important practical point for pet owners is simple: a glucose measurement does not tell the entire story in a sick diabetic patient. Ketones, hydration, electrolytes, acid-base status, kidney values, and the patient’s clinical condition all influence urgency and treatment.

A Particularly Important 2026 Update for Diabetic Cats: SGLT2 Inhibitors and Euglycemic DKA

Feline diabetes treatment has changed substantially with the introduction of oral SGLT2 inhibitors for carefully selected newly diagnosed cats.

These medications lower blood glucose partly by causing glucose to be excreted through the kidneys. They can be appropriate for some cats, but not every diabetic cat is a candidate.

There is also an important complication owners should understand: a cat receiving an SGLT2 inhibitor can develop euglycemic diabetic ketoacidosis (EDKA).

In ordinary DKA, severe illness and ketosis are usually accompanied by obvious hyperglycemia. With euglycemic DKA, dangerous ketosis and acidosis can occur even when the glucose concentration is not dramatically elevated.

If a cat taking an SGLT2 diabetes medication develops decreased appetite, vomiting, lethargy, weakness, dehydration, or other systemic illness, a seemingly acceptable glucose reading does not rule out an emergency. Veterinary assessment and ketone testing are important.

The 2026 AAHA feline diabetes guidelines emphasize careful patient selection and ketone monitoring for cats receiving SGLT2 inhibitors.

What Else Belongs in a Thorough Diabetic Workup?

Good diabetes medicine means looking beyond glucose.

Depending on the patient’s age, species, examination findings, and severity of illness, evaluation may include:

• Complete blood count
• Serum chemistry profile
• Electrolytes
• Urinalysis
• Urine culture when indicated
• Blood or urine ketone assessment
• Fructosamine in appropriate patients
• Blood pressure measurement
• Thyroid testing in selected cats
• Pancreatic testing when pancreatitis is suspected
• Abdominal ultrasound when clinical findings suggest pancreatitis, adrenal disease, hepatobiliary disease, masses, or another abdominal disorder

The goal is not to accumulate tests. The goal is to answer the questions that change treatment:

• Is this truly diabetes?
• Is the patient ketotic or acidotic?
• Is the patient dehydrated or hypovolemic?
• Are potassium, phosphorus, sodium, or other electrolytes abnormal?
• Is kidney function affected?
• Is pancreatitis present?
• Is an infection contributing?
• Is another endocrine or inflammatory disease creating insulin resistance?
• Can this patient safely be managed as an outpatient, or is hospitalization required?

Concurrent Disease and Insulin Resistance

A diabetic patient that is unexpectedly difficult to regulate deserves investigation rather than endless empirical increases in medication.

Conditions that can increase insulin resistance or destabilize diabetes include obesity, pancreatitis, infections, dental disease, kidney disease, inflammatory disorders, and certain medications.

In dogs, hyperadrenocorticism, pregnancy or diestrus-related hormonal effects, hypertriglyceridemia, and other endocrine disorders may complicate regulation.

In cats, obesity is particularly important. Chronic pancreatitis, hyperthyroidism, hypercortisolism, hypersomatotropism (acromegaly), inflammatory disease, infection, and medications such as glucocorticoids or progestogens may also contribute to insulin resistance.

This is especially important when a previously stable diabetic patient suddenly becomes difficult to regulate. The appropriate question is often not simply “Does the insulin dose need to be higher?” but rather “What changed in this patient?”

Who Is at Greater Risk of Diabetes?

Diabetes can occur in almost any dog or cat, but certain patients have greater risk.

Risk factors in cats

• Middle age or older age
• Obesity
• Reduced physical activity
• Insulin-resistant disease
• Chronic pancreatitis or other inflammatory disease
• Exposure to some glucocorticoid or progestogen medications
• Some genetic or breed predispositions, including increased risk reported in Burmese cats

Risk factors in dogs

• Middle age or older age
• Pancreatic disease
• Insulin-resistant endocrine disease
• Hypertriglyceridemia
• Pregnancy or the diestrus phase in intact female dogs
• Certain medications
• Genetic and breed predisposition in some dogs

Maintaining a healthy body condition is particularly important in cats because excess adipose tissue can promote insulin resistance. Routine wellness examinations, senior pet care, and individualized nutrition and weight-management counseling can also help identify concerning changes before diabetes becomes clinically advanced.

Another Serious Diabetic Complication: Hyperosmolar Hyperglycemic State

Not every severely decompensated diabetic patient develops classic DKA.

A less common but extremely serious condition called hyperosmolar hyperglycemic state (HHS) can occur when blood glucose and serum osmolality become profoundly elevated, often with severe dehydration and little or no significant ketosis.

These patients may show profound weakness, dehydration, altered mental status, or neurologic abnormalities. Mixed DKA/HHS presentations can also occur.

For pet owners, the practical message is important: do not try to determine the severity of diabetes from ketones or a single glucose number at home when the patient is systemically ill.

What to Do If You Suspect a Diabetic Emergency

If your pet has possible diabetes but is still bright, eating, and comfortable, arrange veterinary testing promptly.

If your pet is vomiting, not eating, profoundly lethargic, weak, dehydrated, or collapsing, treat the situation as urgent.

1. Call a veterinarian. During Aliso Beach Animal Clinic hours, call (949) 499-4190 and describe the symptoms before driving over.
2. Tell the veterinary team whether your pet is eating. Appetite is extremely important when evaluating a diabetic patient.
3. Report vomiting, diarrhea, weakness, breathing changes, or collapse immediately.
4. If your pet already receives insulin, provide the exact insulin name, concentration, dose, schedule, and time of the most recent injection.
5. Do not give extra insulin to correct a high home glucose value unless your veterinarian specifically instructs you to do so.
6. If a diabetic pet is not eating or is vomiting, do not guess at the next insulin dose. Contact the veterinarian managing the diabetes.
7. Do not withhold water. Diabetic patients can become significantly dehydrated.
8. Bring medication bottles, insulin, supplements, glucose records, CGM information, and relevant medical records when possible.
9. A fresh urine sample can be helpful if it can be collected easily and safely, but do not delay care trying to obtain one.
10. If your pet is collapsing, severely weak, having serious difficulty breathing, mentally altered, or requires care when we are closed, proceed to an appropriate 24-hour emergency hospital.

How DKA Is Treated

DKA treatment is fundamentally different from simply starting routine diabetes medication.

Treatment is individualized but generally centers on:

• Restoring circulating volume and correcting dehydration with intravenous fluids
• Careful insulin administration to stop ongoing ketone production
• Monitoring and correcting potassium, phosphorus, glucose, and other metabolic abnormalities
• Controlling nausea and vomiting
• Providing nutritional support when appropriate
• Monitoring kidney function and acid-base status
• Identifying and treating the precipitating disease

Insulin is ultimately necessary to stop pathologic ketone production in DKA, but severely dehydrated or unstable patients also require thoughtful fluid and electrolyte management. Treatment is therefore a monitored hospital process—not simply an extra insulin injection.

The sickest patients may require continuous monitoring and 24-hour nursing care. Less critically ill patients may sometimes begin stabilization in a well-equipped daytime hospital, depending on the patient’s status and the facility’s capabilities.

Aliso Beach Animal Clinic can evaluate and stabilize appropriate urgent patients during regular hospital hours. If a patient’s condition requires overnight intensive monitoring or a higher level of critical care, we will recommend transfer to an appropriate emergency facility.

Treatment of Stable Diabetes

A stable diabetic patient is treated very differently from a patient in DKA.

Dogs

Diabetic dogs require exogenous insulin. Long-term management also includes a consistent feeding and medication schedule, monitoring of body weight and clinical signs, and investigation of diseases that interfere with insulin responsiveness.

The goal is not to make every glucose value identical to that of a nondiabetic dog. The more meaningful goals are to control excessive thirst and urination, maintain healthy body weight, preserve quality of life, and avoid hypoglycemia.

Cats

Feline diabetes management may involve insulin or, for carefully selected newly diagnosed cats, an approved oral SGLT2 inhibitor. Treatment should be individualized because not every cat is an appropriate candidate for every therapy.

For cats receiving insulin, current veterinary management increasingly emphasizes home-based information and continuous glucose monitoring when appropriate because hospital stress can substantially distort glucose measurements.

Diabetic remission is possible in some cats, particularly when hyperglycemia is brought under control and factors contributing to insulin resistance are addressed. Remission does not mean owners should independently stop medication; treatment changes require veterinary monitoring.

Continuous Glucose Monitoring Can Be Extremely Helpful—but the Patient Still Comes First

Continuous glucose monitoring systems can provide a much richer picture than an isolated blood glucose measurement. They can reveal overnight trends, glucose nadirs, day-to-day variability, and patterns that might otherwise be missed.

However, a sensor does not replace clinical assessment.

A diabetic patient can have a glucose reading that appears acceptable and still be clinically ill. Conversely, an isolated elevated value in an otherwise well-regulated patient does not automatically justify an insulin increase.

Good diabetic monitoring combines:

• Appetite
• Water consumption
• Urination
• Body weight
• Activity and quality of life
• Glucose trends
• Appropriate laboratory monitoring

In other words: treat the patient, not a single number.

Why Early Recognition Matters

Diabetes often becomes obvious only after it has been progressing for some time. In homes with multiple pets or multiple water bowls, increased drinking can be surprisingly difficult to recognize. Cat owners may not immediately notice increased urine volume if litter boxes are shared. Gradual weight loss may initially be attributed to age.

Questions that warrant investigation include:

• “Why is my dog suddenly asking to go outside throughout the night?”
• “Why is my cat losing weight even though she is still eating?”
• “Why is my senior dog suddenly drinking so much water?”
• “Why are my cat’s urine clumps suddenly much larger?”
• “My pet has been thirsty for weeks and now has started vomiting—is this urgent?”

Those are exactly the kinds of changes that should lead to a veterinary examination, blood work, and urinalysis rather than simply changing the diet and waiting another week.

Aliso Beach Animal Clinic is independently owned and located at 30816 Coast Highway in Laguna Beach, directly across from Montage Laguna Beach. We care for pets from Laguna Beach, South Laguna, Monarch Beach, Three Arch Bay, Dana Point, and surrounding coastal Orange County communities.

When same-day availability and the patient’s condition allow, our veterinary team can examine an ill pet, perform diagnostics, begin appropriate stabilization, and help determine whether continued daytime treatment or referral for 24-hour care is safest.

Frequently Asked Questions About Diabetes and DKA

Can a dog or cat be diabetic and still have a strong appetite?

Yes. Increased appetite with unexplained weight loss is a classic early diabetes pattern. Glucose is abundant in the bloodstream but is not being used normally by tissues, while calories are also lost through glucosuria.

Is drinking a lot of water always diabetes?

No. Kidney disease, liver disease, endocrine disorders, pyometra, medications, electrolyte abnormalities, and other conditions can also cause excessive thirst and urination. Blood and urine testing help distinguish these diseases.

What is the difference between ketosis and DKA?

Ketosis means that ketone bodies are being produced in increased amounts. DKA is a more serious syndrome involving pathologic ketosis together with metabolic acidosis in a diabetic patient, usually accompanied by dehydration and systemic illness. Finding ketones should prompt evaluation, but ketones alone do not define the entire severity of the case.

Can my pet have a very high glucose and not have DKA?

Yes. Hyperglycemia by itself is not synonymous with DKA. Conversely, a cat receiving an SGLT2 inhibitor can develop euglycemic DKA without dramatic hyperglycemia. The patient’s clinical status, ketones, electrolytes, acid-base balance, and other laboratory findings matter.

Why might my cat need a fructosamine test?

Cats can develop significant stress hyperglycemia during veterinary visits. Fructosamine provides information about recent average glucose exposure and can help determine whether an elevated glucose result is persistent rather than simply stress-related.

Is fructosamine the same thing as a human A1C?

No. They are both glycated-protein measurements that provide information beyond a single glucose reading, but they involve different molecules and reflect different periods of time. Fructosamine generally reflects a much shorter recent period than human hemoglobin A1C.

Can diabetes in cats go into remission?

Yes. Some cats can enter diabetic remission when hyperglycemia is effectively controlled and contributing insulin resistance is reduced. Remission is not guaranteed, and ongoing veterinary monitoring remains important.

Can diabetic dogs go into remission?

Most diabetic dogs have substantial insulin deficiency and require lifelong insulin treatment. Unusual reversible circumstances can occur, but remission is far less common in dogs than in cats.

Why did my previously controlled diabetic pet suddenly become unregulated?

A change in diabetic control often warrants investigation for more than an insulin-dose problem. Infection, pancreatitis, dental disease, kidney disease, endocrine disease, medications, changes in diet or appetite, problems with insulin handling or administration, and other causes of insulin resistance should be considered.

My diabetic pet is not eating. Should I give the normal insulin dose?

Do not guess. Call the veterinarian managing your pet’s diabetes for patient-specific instructions. Appetite, current glucose, the type of insulin or medication being used, vomiting, and the patient’s overall condition can all change what is safest.

Can you diagnose diabetes the same day?

Often, yes. Many of the core findings—including blood glucose, organ-function values, electrolytes, and urinalysis findings—can often be assessed promptly. Some specialized testing may be sent to a reference laboratory and take longer. The diagnostic plan depends on whether the patient is stable or showing evidence of a diabetic emergency.

Should I come to Aliso Beach Animal Clinic or go directly to a 24-hour emergency hospital?

During regular clinic hours, call us if your pet is stable enough to transport and is showing signs of possible diabetes or early illness. If your pet is collapsing, profoundly weak, severely dehydrated, having serious breathing difficulty, mentally altered, or likely to require overnight intensive monitoring, a 24-hour emergency hospital may be the safer destination.

Our Laguna Beach pet emergency and urgent-care guide explains the distinction between same-day urgent care and 24-hour emergency care in more detail.

When to Call Aliso Beach Animal Clinic

Call (949) 499-4190 if your dog or cat is:

• Drinking or urinating substantially more than normal
• Losing weight despite a normal or increased appetite
• Developing unexplained muscle loss
• Vomiting or having diarrhea in combination with excessive thirst or urination
• Suddenly refusing food
• Lethargic or weak
• A known diabetic that is suddenly behaving differently
• A diabetic cat taking an SGLT2 medication that develops vomiting, poor appetite, or lethargy

Call before arriving for a suspected diabetic emergency. This allows our team to triage the situation, prepare for diagnostics, and determine whether our daytime hospital or a 24-hour emergency facility is the safest destination.

Do not use a routine online appointment request for a pet that is actively vomiting, collapsing, profoundly weak, or showing another possible diabetic emergency.

Hours:
Monday–Friday: 7:30 a.m.–4:30 p.m.
Saturday: 8:00 a.m.–12:00 p.m.
Sunday: Closed

Aliso Beach Animal Clinic
30816 Coast Highway
Laguna Beach, CA 92651
Directly across from Montage Laguna Beach

Urgent concern? Call (949) 499-4190
Request a non-urgent appointment

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Medical Review

Medically reviewed by Bryan Hayter, DVM
Owner and Medical Director
Aliso Beach Animal Clinic
Laguna Beach, California

Last medically reviewed: September 2026

Dr. Hayter earned his Doctor of Veterinary Medicine degree from Auburn University and completed an internship at the San Diego Zoo. His clinical work includes general medicine, urgent-care evaluation, diagnostic medicine, surgery, exotic animal care, and integrative treatment options.

This article is intended for general education. Diabetes mellitus, diabetic ketoacidosis, hypoglycemia, pancreatitis, kidney disease, and other metabolic disorders can produce overlapping symptoms. Online information cannot determine which condition an individual pet has or replace a physical examination and appropriate diagnostic testing.

Selected Medical References

• American Animal Hospital Association. 2026 AAHA Diabetes Management Guidelines for Dogs.
• American Animal Hospital Association. Recognizing and Diagnosing Diabetes Mellitus in Dogs.
• American Animal Hospital Association. Diabetic Ketoacidosis in Dogs.
• American Animal Hospital Association. 2026 AAHA Diabetes Management Guidelines for Cats.
• American Animal Hospital Association. Diagnosing Diabetes Mellitus in Cats.
• American Animal Hospital Association. Diabetic Ketoacidosis in Cats.
• American Animal Hospital Association. SGLT2 Inhibitor Treatment and Monitoring in Cats.
• Merck Veterinary Manual. Diabetes Mellitus in Dogs and Cats.
• Cornell Feline Health Center. Feline Diabetes.
• American Veterinary Medical Association. Diabetes in Pets.