How long do cats live after being diagnosed with diabetes?
Mia Morrison
Updated on April 01, 2026
How long do cats live after being diagnosed with diabetes?
Cats who are treated effectively for diabetes can live for very prolonged periods after diagnosis. Average length of life after diagnosis is variable dependent on which study is examined, however, average lifespans of up to around three years are reported in some studies.
What are the warning signs of diabetic ketoacidosis in cats?
Cats affected with diabetic ketoacidosis are likely to present with one or more of the following symptoms:
- Vomiting.
- Weakness.
- Lethargy.
- Depression.
- Excessive Thirst.
- Refusal to drink water.
- Refusal to eat.
- Sudden weight loss.
What happens to an untreated diabetic cat?
If a diabetic cat goes untreated for long enough, they will develop ketoacidosis. Cats at this stage will not eat or drink and will become dehydrated and more lethargic. Eventually, as ketoacidosis progresses, they will slip into a coma and die if not treated with intensive medical therapy.
How do you reverse diabetes in cats?
Insulin injections, particularly combined with a proper diet of high-protein, low-carbohydrate foods, are effective in converting many cats to a state of remission. This means that insulin injections may be necessary only for a short period of time and then your cat may not need them anymore.
How expensive is it to treat a cat with diabetes?
Insulin injections are the standard in treating and managing diabetes in cats. Many cats with diabetes will require $50 to $60 of insulin every 40 days. A cat with mild diabetes may need less insulin and average closer to $20 to $30 every 40 days.
How long will a diabetic cat live without insulin?
Diabetic remission occurs when a cat maintains a normal glucose level for more than four weeks without insulin injections or oral glucose regulating medications. Not all cats go into remission, but those that do may stay that way for months or years.
Can you reverse ketoacidosis in cats?
Your veterinarian will also begin insulin therapy to reverse the high levels of sugar and ketone bodies in the blood, as well as reduce the elevated acid levels. Glucose levels will be checked every one to three hours to monitor response of the treatment.
Is ketoacidosis fatal in cats?
A dangerous, sometimes fatal metabolic acidosis or diabetic ketoacidosis (DKA) may develop. In untreated cats with diabetes, excessive ketones are produced, resulting in ketonuria and DKA accompanied by electrolyte imbalances. Ketoacidosis is a serious condition that can ultimately lead to an acidotic coma and death.
Is my diabetic cat suffering?
The Bottom Line on Feline Diabetes If you suspect your cat is sick, visit your veterinarian as soon as possible. Excessive urination, thirst, heightened appetite, vomiting, lethargy, and inactivity are symptoms of diabetes mellitus.
Is there a pill form of insulin for cats?
Unlike humans with Type II diabetes, oral medications to reduce blood sugar such as glipizide have not shown to be consistently effective in cats. There are multiple types of insulin preparations that can be used for cats in the treatment of diabetes, such as lente insulin (Vetsulin), ProZinc or glargine insulin.
Do cats with diabetes suffer?
Diabetic cats mostly suffer from Type II diabetes, where the body cells can no longer adequately respond to insulin, leading to elevated levels of glucose.
Is my diabetic cat dying?
An alarming number of cats are developing diabetes mellitus, which is the inability to produce enough insulin to balance blood sugar, or glucose, levels . Left untreated, it can lead to weight loss, loss of appetite, vomiting ,dehydration, severe depression, problems with motor function, coma, and even death.