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.

Maine Coon Cat Health Problems: 8 Vet-Reviewed Issues

Catster_Health Problems of Maine Coon Cats

Maine Coons are beloved felines, and it’s easy to see why. They have gorgeous, full coats and are large, majestic animals that are impossible to ignore. Many cat lovers find this breed to be affectionate and fun to have in the home, and they make great pets overall.

Luckily, they are generally sturdy and healthy cats, but this doesn’t mean they don’t have any potential health concerns. There are certain conditions that Maine Coon cats are genetically predisposed to develop.

Knowing about the potential health risks will help you care for your beloved cat and keep them safe.

divider 2 cats

The 8 Common Main Coon Health Problems

While you’ll want to keep any cat healthy through regular veterinary visits, healthy diet, and exercise habits, there are eight health concerns these cats are more likely to develop. The conditions include hypertrophic cardiomyopathy, spinal muscular atrophy, hip dysplasia, stomatitis, renal failure, obesity, polycystic kidney disease, and patellar luxation.

Keep reading to learn more about these problems and symptoms to look out for to protect your Maine Coon.

1. Hypertrophic Cardiomyopathy

This is a heart muscle disease that is mainly inherited. With hypertrophic cardiomyopathy, the heart muscle thickens. It’s generally difficult to spot signs of this illness early on, as cats, in general, will hide that they’re feeling sick. You should watch out for fast breathing, lack of appetite, and lethargy. When these outward symptoms show, it’s vital to seek veterinary help right away.

Domestic gray fluffy purebred Maine Coon cat with green eyes
Image Credit: larisa Stefanjuk, Shutterstock

2. Spinal Muscular Atrophy

Spinal muscular atrophy is another condition that affects Maine Coon cats. The disease disrupts the posture of the cat over time as motor neurons are lost. This neuron loss impacts the lower spinal cord and causes atrophy in the hind legs. Luckily, this condition isn’t fatal, and many cats with it live long and happy lives. Signs start to show around 3-4 months of age.

This illness is a recessive trait, and tests are available. So, if you’re considering breeding Maine Coons, you’ll want to get this testing done to make sure the disease isn’t passed down.

tortoiseshell blue smoke main coon standing outdoors
Image Credit: N Roberts, Shutterstock

3. Hip Dysplasia

This condition is more common in dogs but shows up in some cats. Maine Coons are particularly prone to this condition. Over time, the malformed hip joints from hip dysplasia cause arthritis.

It’s difficult to spot hip dysplasia initially, as Maine Coons won’t show many signs when they’re young. But, if your Maine Coon starts showing signs of early aging or lack of movement in its hips, it’s best to make a vet visit. X-rays are necessary to diagnose this problem.

Closeup veterinarian is making a check up of a adult maine coon cat with stethoscope in vet clinic
Image Credit: Ermolaev Alexander, Shutterstock

4. Stomatitis

Stomatitis is a dental disease that affects several breeds, but Maine Coons are more likely to have this problem. Stomatitis develops from gingivitis (gum disease) if it’s not addressed. The condition impacts the soft tissues of the cat’s mouth because an immune response to plaque and bacteria creates constant inflammation.The swelling can be painful and cause lesions.

The best way to prevent stomatitis is to keep your cat’s mouth clean. Watch for signs such as weight loss, loss of appetite, and stinky breath. Talk to a vet about dental health habits for your Maine Coon cat.

Veterinarian checks teeth to a big maine coon cat at vet clinic
Image Credit: Ermolaev Alexander, Shutterstock

5. Renal Failure

When the kidneys can’t function properly, renal failure can occur. The kidneys clean waste in the blood and control hydration, so kidney issues are a major concern. Renal failure is more common in older cats, but young cats can be genetically predisposed to the disease.

Maine Coons have also been documented to develop kidney cysts that do not share the gene for PKD that is seen in Persian cats and related breeds.

Even kittens can have kidney problems, and signs can appear quickly. The easiest way to protect your Maine Coon is to screen for the genes involved.

maine coon kitten
Image Credit: Beeki, Pixabay

6. Obesity

Weight problems impact many cats. Given that Maine Coons are a large breed, it’s not surprising to learn that they are susceptible to weight issues. The signs of obesity in Maine Coons are more evident than the signs of some other illnesses, but it can be challenging to spot the line between a healthy and unhealthy weight. It’s wise to work with a veterinarian to determine the healthy weight and diet for your beloved Maine Coon. Exercise is also vital to weight management.

Remember, overweight cats can develop many specific health issues such as diabetes and fatty liver.

maine coon grey long hair striped cat
Image Credit: Pxfuel

7. Patellar Luxation

Cats have a flexible knee joint that allows them to perform feats humans never could. Also known as the kneecap, the patella can slip to the side. This displacement is known as patellar luxation. Simply put, this is kneecap dislocation. Unfortunately, your Main Coon may not display signs of the condition at first, but you can look for indications like limping and trouble jumping or a skipping gait. A vet examination is necessary to detect patellar luxation.

calico maine coon cat lying on the grass
Image Credit: Aleksei Verhovski, Shutterstock

8. Polycystic Kidney Disease

In this genetic illness cats develop multiple cysts in the kidneys.  Over time, these cysts increase in size and damage the kidneys, and result in kidney failure. Main Coon are a low risk of PKD compared to Persians and related breeds.

Remember to have regular vet visits when owning a Maine Coon to keep their health and well-being. If you’re concerned about your cat’s health we suggest you speak to a vet.

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

divider 2 cats

Conclusion

While some breeds are likely to have a long list of health issues, Maine Coons are generally healthy. They are sturdy and hardy, and most individuals won’t have significant health problems. However, all Main Coon cats should receive veterinary care regularly. You love your cat, so preventive care is key to keeping them safe and healthy.


Featured Image Credit by: Olga Korvinuss, Shutterstock

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.


Talk With A Vet Online

Peace of mind,
anywhere, anytime

Affordable vet advice

Why Do My Cat’s Farts Smell Like Eggs? Our Vet Explains

Have you ever noticed that your cat’s farts smell like rotten eggs? Is there a way to prevent this unpleasant scent? That rotten...

Where Do Stray Cats Go During the Day? Vet-Reviewed Facts

There are believed to be millions of stray and feral cats in the U.S. alone, and the overpopulation problem only continues to increase...

We Talk to Mari Lowery About Her Marvelously Creepy Cat Art

The other day, I came across a small image of some cats looking like they were plucked from a Victorian-era horror story. Reading...

How Long Does a Cat Hold a Grudge? Vet-Reviewed Information

Your cat doesn’t hate you. Thankfully, humans are the only species that write vengeful songs about our exes and actively harbor bitterness. Although...

More related

Cats’ Impact on the Environment: Vet-Verified Facts & Statistics

Note: This article’s statistics come from third-party sources and do not represent the opinions of this website. There are a myriad of reasons...

11 Best Cat Scratchers of 2026 – Reviews & Top Picks

Our beloved cats scratch for all sorts of reasons, so it makes perfect sense to make sure you have at least one type...

How Contagious is Feline Leukemia? Vet-Approved Facts & Explanation

Feline leukemia virus (FeLV) is a common infectious cause of disease in cats, affecting as much as 3% of the entire cat population...

Maine Coon vs American Shorthair Cat: What’s the Difference? (With Pictures)

The Maine Coon is one of the most popular large cat breeds in the U.S. due to their teddy bear-like appearance and gentle...

Keep reading

Why Does My Cat Chew on Cardboard Boxes? 6 Vet-Reviewed Reasons

Some cats are chewers, and some not so much. Cats that enjoy a good chewing session might gravitate to cardboard boxes. They are everywhere and can be everything from your cereal boxes, to your moving boxes, to your goodies that...

playful tabby cat looking in cardboard box

Insect-Based Cat Food: Vet-Reviewed Pros, Cons & FAQs

You may have heard about the recent trend of pet food made with insects rather than more conventional animal protein. While this might sound gross to you, our pets won’t worry about eating this new kind of food. After all,...

cat sniffs the creeping May bug

PawTree Tear & Saliva Stain Remover Chews Review 2026: A Detailed Look

Just about every owner of a light-colored dog or cat knows the struggle with tear stains is real. Often, switching to a higher-quality diet can do wonders to stop tear stains in their tracks. But for some pets, even the...

PawTree Pet Supplement

11 Vet-Reviewed Cat Sounds & Their Meanings (With Audio)

Have you ever wondered what your cat is trying to tell you when they purr, meow, or chirp? Our gorgeous domestic cats use a wide range of vocal cues to express their opinions, and some cats are incredibly loud when...

cat meowing

Why Does My Cat Sleep Next to Me? 5 Vet-Reviewed Reasons for This Behavior

Cats are interesting animals. They are quite independent, yet they insist on regular attention from their human family members. They sleep frequently, but they can be playful while they are awake. They can be loud and annoying sometimes, while they...

woman-sleeping-with-her-cat

5 Cat-Safe Incense Alternatives for Your Home: Vet Approved Advice

Incense is used in many homes to freshen the air in the home and cover unpleasant smells. Unfortunately, it is generally not considered safe for homes with cats. The exposure to the smoke from the incense can be irritating to...

Close up to Mint leaves in a pot

Do Cats Get Lonely When You Go on Vacation? Vet-Verified Facts & Info

It can be easy to buy into the idea that cats are antisocial, aloof creatures. After all, most cats spend a good part of their time alone, whether under your bed, in a closet, or in some other hiding spot....

Man checking flight details at the airport

Is It Ok to Have Just One Cat? Vet-Verified Facts & Care Tips

Cats, although seemingly aloof, are social creatures that need to be around other cats or animals to live happy lives. Most cats love being around their humans and the attention they get, but there’s one question many cat owners have...

a woman holding a cat on her lap