Get

In Your Inbox

Catster is reader-supported. When you buy via links on our site, we may earn an affiliate commission at no cost to you. Learn more.

How Long Will a Cat With Diabetes Live Without Treatment? Vet-Verified Risks & FAQ

Share

owner calming his cat

Diabetes is a common and serious disease that affects the health of cats. When left untreated, diabetes can cause life-threatening complications such as diabetic ketoacidosis, neurological disease, and other health problems. Fortunately, most cases of diabetes in cats can be controlled with diet and medication. How long a cat with diabetes will live without treatment depends on how long and how much their sugar levels have been uncontrolled and whether any other diseases are present. Generally speaking, untreated diabetic cats may only live a few months, but this is very hard to predict.

However, we know that a very high proportion (approximately 1 in 3) of diabetic cats that start prompt treatment can achieve diabetic remission. In that situation, your cat may no longer need insulin for months or even years.

divider single cat paw oct 2024

Is Diabetes Treatment For Cats Expensive?

The cost of diabetes treatment for cats will vary depending on the severity of the condition, the type of medication or treatments prescribed, and whether any special foods or supplies are needed. Diabetes treatment for cats can be expensive as it often requires regular visits to a veterinarian and special food, medication, and insulin injections.

vet giving drugs to cat
Image by: thodonal88, Shutterstock

How Much Does Diabetes Treatment For Cats Cost?

The cost of diabetes treatment for cats will vary depending on the specific needs of the cat. However, some ballpark estimates suggest that costs can range from around $50 to $200 per month, not including extra diagnostic testing or prescription medications. Treatment for diabetes in cats often includes a combination of regular insulin injections, dietary changes, and monitoring of blood sugar levels.

Should I Treat My Cat’s Diabetes?

Yes, you must treat your cat’s diabetes. It is inhumane to allow the disease to go untreated. Diabetes mellitus is a chronic disease in cats caused by a lack of insulin and a lack of response to it. Without insulin, the body cannot use glucose for energy, and your cat will become ill. Diabetes treatment usually involves giving the cat insulin injections twice daily and feeding them a diet high in protein and low in sugar.

If your cat is diagnosed with diabetes, it is vital to treat the condition. Also, the sooner, the better, since your cat will have a higher chance of achieving diabetic remission. Untreated diabetes can lead to several life-threatening health problems, including diabetic ketoacidosis, neurological disease, and kidney failure. Your veterinarian can help you create a treatment plan for your cat.

If you need to speak with a vet but can't get to one, head over to PangoVet. It's an online service where you can talk to a vet online and get the advice you need for your pet — all at an affordable price!

PangoVet_Mention-in-Content for PangoVet2 save money

Is It OK Not To Treat My Cat’s Diabetes?

Some people may not treat their cat’s diabetes if they feel they cannot afford it or do not have the time to care for a cat with diabetes properly. This can be very dangerous and lead to serious health problems, suffering, and death for the cat. It is not okay to allow a cat with diabetes to go without treatment. If you cannot treat your cat, it might be in your cat’s best interest to rehome them.

divider single cat paw oct 2024

What Happens If You Don’t Treat a Cat With Diabetes?

The lifespan of a cat with diabetes without treatment is difficult to predict. The disease can progress quickly in some cats, leading to ketoacidosis, organ failure, and death within days or weeks. In other cases, cats may remain stable for weeks or months without any visible health problems.

Eventually, all untreated cats will suffer terribly and die prematurely. Ultimately, the length of time a cat with diabetes lives without treatment depends on the cat’s health condition.

sick cat with feline disease sitting on the floor
Image Credit: Kittima05, Shutterstock

What Happens If My Cat Doesn’t Get Insulin for a Week?

If a diabetic cat does not receive insulin for a week, their blood sugar levels will become dangerously high. This can cause ketoacidosis, a serious and potentially life-threatening condition. Without insulin, the body begins to break down fat for energy instead of glucose.

The byproducts of this process are acids called ketones, which can build up in the blood and urine. The high blood sugar levels will cause the cat to become dehydrated, and they can also go into a coma. Without treatment, the cat would eventually die from complications related to diabetes.

What Are the Final Stages Of Diabetes In Cats?

In the final stages of diabetes, a cat’s blood sugar levels become dangerously high, which can lead to several serious health problems, including ketoacidosis, kidney failure, and seizures.

cat lying down
Image by: Pixabay

What Puts Cats At Risk Of Developing Diabetes?

Cats who are obese, old, inactive, and take steroids to treat other illnesses like skin problems are most likely to develop diabetes. Cats that are obese are up to four times more likely to develop diabetes, so the best thing a cat owner can do to reduce the risk of diabetes is to maintain a healthy weight and encourage physical activity.

Is There a Cure for Feline Diabetes?

There is currently no cure for diabetes in cats. However, with proper treatment and care, many cases of feline diabetes can be successfully managed with diet and medication, making it possible for cats to live long, healthy lives despite their diagnosis.

When diabetes is treated early and aggressively, many cats enter diabetic remission, meaning they will not need insulin injections to maintain normal blood sugar levels. If you start insulin therapy earlier and monitor it closely, the chances of diabetic remission are higher in older cats, cats who have taken steroids in the past, and cats who have been given glargine insulin.

Cats with diabetes who do not enter remission within 6 months will almost certainly need insulin for the rest of their lives. Cats with diabetes in remission should continue to be fed a low-carbohydrate diet and monitored closely.

Veterinarian giving injection to cat
Image by: Africa Studio, Shutterstock

How Long Does It Take For a Diabetic Cat To Go Into Remission?

Remission times can vary significantly from cat to cat. Some diabetic cats may go into remission quickly after diagnosis and beginning insulin, while others may take several months. The most critical factor in determining how long it will take for a diabetic cat to go into remission is how well the cat’s diabetes is controlled.

divider single cat paw oct 2024

Conclusion

Diabetes can be a serious illness for cats, but with timely treatment, most cats live relatively happy lives. With proper care, your cat can enjoy a long and healthy life. It is hard to say for sure how long a cat with diabetes will live without treatment. However, without proper care and management, most cats will not live long, and they will suffer horribly and unnecessarily before they die.

If your cat has been diagnosed with diabetes, it is vital to work with your veterinarian to create a treatment plan for your cat.

See also:


Featured Image Credit: Piqsels

Want content like this delivered to you?

Sign Up For Our Newsletter

News, insights, expert advice, and everything cat

* By submitting, you agree to our Terms & Conditions and Privacy & Cookies Policy.




How useful was this post?

Click on a star to rate (you can leave written feedback after clicking submit)

Help us improve Catster for pet parents!

Your feedback really matters.

What did you like about this post? Also how can we improve it?

Join the conversation

Leave a Reply

You’re very welcome to leave a comment or question. Please know that all comments must meet our community guidelines, and your email address will NOT be published. Let’s have a positive and constructive conversation.


Catster's Digital Magazine is Back!

Vet-approved health & behavior advice

Real cat stories & community features

Chatting About the Rainbow Bridge, Euthanasia, and Laughter During Grief | Chatty Cattys, Episode 24

If you’ve ever felt the loss of a beloved cat, or are dreading the day when your pet crosses the rainbow bridge, you’ll...

The Simple Reasons Cats Refuse to Let Anyone Use the Bathroom Alone

Cats have an extraordinary talent for making themselves present in the most inconvenient places, and the bathroom ranks near the top of the...

A Paw-sitive Milestone: Canada Officially Becomes a Declaw-Free Nation

Canada has officially become a declaw-free nation. On May 25, 2026, a new regulation was filed in Ontario under the Provincial Animal Welfare...

The Surprisingly Simple Ways to Help a Cat With Hairballs

Cats spend an astonishing amount of time grooming. It is part hygiene routine, part comfort ritual, and part instinct that traces back generations....

More related

Can Cats Eat Baked Beans? Vet-Reviewed Risks & Alternatives

Some kitties are notoriously fussy eaters and others will eat anything in sight. For the latter, almost any food can be tempting, including...

Catster’s Weekly Photo Contest Winners: Window Watchers (May 25, 2026)

Every week our team gets the privilege of sorting through our readers photos to choose what cats will win this weeks contest! See...

4 Easy Recipes for Homemade Kitten Formula: Our Vet Answers & Provides Tips

A kitten needs to feed exclusively on their mother’s milk until they are around 3 weeks old. At that age, though their mother’s...

What Do Cats Like to Eat for Breakfast? 6 Vet-Approved Food Choices

What cats eat for breakfast is usually what they eat during the rest of the day. But if you’re uncertain whether your cat...

Keep reading

What Human Foods Can My Cat Eat on Christmas? 10 Good Options

Holidays are a time to celebrate family. For 45.3 million American households, that may include your cat1. We certainly understand why. Felines are intelligent animals that interact with people differently than dogs. We value our relationships with them, making it...

Can a Flea Collar Make a Cat Sick? Vet-Reviewed Risks & Considerations

Flea collars can seem quite convenient, but many of them do not work well. For one thing, some do not have proven ingredients that will keep fleas away, so the results may vary. There are also safety concerns. Flea collars...

kitten wearing green flea collar

How to Tell if My Cat is in Pain: 7 Vet-Reviewed Signs to Look For

Cats are notorious for hiding their illnesses. From an evolutionary standpoint, it makes sense. Cats hide their illnesses to ensure they are not seen as easy targets by predators. While cats no longer have to worry about predators in our...

sick cat with feline disease

8 Vet-Approved Food Sources of Magnesium for Cats

Magnesium has a huge role to play in the normal functioning of your cat’s body, and a lot will start to go wrong without it. It’s a mineral that should be present in the correct concentration in your cat’s food,...

cat eating fish

Can Cats Eat Bonito Flakes? Vet-Approved Facts & Benefits

With dozens of cat treats available, it can be hard to know what’s good for your cat. After all, most cat treats try to sell themselves as healthy and delicious, even if they’re full of things your cat doesn’t want....

Can Cats Eat Bonito Flakes

How Does Frontline Work on Cats? Vet Reviewed Facts & FAQ

Frontline is a popular spot-on flea treatment used to help keep pets pest-free. It is safe and effective, with two options to choose from, depending on your needs. But how does this medication kill and prevent fleas, ticks, and chewing...

Can I Use Hydrogen Peroxide on Cats? Vet Reviewed Risks & Advice

Hydrogen peroxide is a chemical that has a variety of uses. It can be used as a cleanser to kill yeast, mold, viruses, fungi, and bacteria. It can be used to wash veggies, clean your toilet, shine mirrors, treat sick...

hydrogen peroxide

How to Tell if a Cat Is Spayed: 4 Vet-Reviewed Signs to Look

It’s sometimes hard for new cat owners to know whether their new female feline is spayed or not. For those uninitiated into the wonders of cat ownership, spaying refers to a surgery in which your female cat’s interior sex organs...

sick cat wearing cone inside the clinic

Love Cats? So Do We! Join the Catster Community

Stay informed with expert pet care insights delivered straight to your inbox! Discover professional guidance on animal behavior, feeding tips, trusted product picks, and much more.




Sign up for the Catster Email Newsletter

Stay informed with expert pet care insights delivered straight to your inbox! Discover professional guidance on animal behavior, feeding tips, trusted product picks, and much more.