How can you tell if a Maine Coon is stressed?

Maine Coons are good at hiding discomfort, but stress shows up in behavioral changes. Watch for urinating outside the litter box, diarrhea or constipation, excessive grooming, isolating themselves, over-vocalizing, decreased appetite, sleeping more than usual, or aggression toward people or other pets. Common triggers include new pets, household changes, loud noises, boredom, and travel.

Can stress cause illness in Maine Coon cats?

Yes — stress plays a significant role in a Maine Coon's overall health. Chronic stress can suppress the immune system, trigger flare-ups of latent viruses like Feline Herpes Virus (FHV-1), cause digestive issues, and lead to behavioral problems. Identifying and removing stress triggers early is one of the most impactful things you can do for your cat's long-term wellbeing.

What should a healthy Maine Coon checklist include?

A healthy Maine Coon should have bright, clear eyes with no discharge; clean, odor-free ears; pink gums and fresh breath; a shiny, mat-free coat; a healthy weight with good muscle tone; and a regular heart rhythm. Regular grooming, a balanced diet, annual vet visits, mental stimulation, and a low-stress environment are the core pillars of keeping a Maine Coon thriving long-term.

Maine Coon Health & Care: What Every Owner Should Know

You’re not just getting a cat when you bring a Maine Coon into your life. You’re gaining a loyal companion who will be by your side for years to come. Naturally, you want to do everything you can to keep them healthy, happy, and thriving.

This page is your go-to hub for everything related to Maine Coon health and care. From common health issues to preventative care tips, we’ve covered those aspects. You’ll also find guidance on how to manage stress. If you are caring for a mature Maine Coon, helpful resources are also in the articles below.

Ready to become a pro at caring for your gentle giant? Let’s dive in!

As a dedicated Maine Coon breeder, raising well-socialized, healthy kittens is my #1 priority. And it all starts with healthy parents and mindful breeding practices. But even after your kitten comes home, there’s plenty you can do to make sure they stay in tip-top shape.

Our Philosophy on Health & Screening

At Sassy Koonz, health is more than a promise. It’s the foundation of our breeding program. It’s what we focus on behind the scenes. Every kitten that is born here is the result of intentional, pre-screened decisions.

We screen all breeding cats for genetic health conditions. That is including but not limited to: HCM Screening via echocardiograms, Hip Dysplasia evaluations through OFA, DNA testing, and regular health exams.

We remove any cat from our breeding program that reveals anything concerning. This reduces (but doesn’t prevent) health occurrences in our lines.

Every kitten comes with a 7-year health guarantee. We stand behind our cats because we know the amount of work that we put in.

Before adopting a Maine Coon from anyone, ask:

What health testing has been done on the parents?
What does their health guarantee cover, and for how long?
Are they willing to discuss their breeding philosophy?
Can they provide documentation for the testing?

Learn about our complete health testing protocol.

Insights from our Veterinarian

I invited Dr. Jennifer Vencil from Shoreline Veterinary Hospital over for a short interview about raising a healthy cat. We discuss several important topics in this 19-minute video, of which you’ll find informative. Grab a coffee and watch here!

Dr. Vencil has been our vet for 9 years now. Having a good relationship with your vet is essential to the care of your Maine Coon. Be picky when choosing a vet to take care of your Maine Coon.

Furthermore, consider having a pet insurance policy that covers the majority of vet expenses in the event your Maine Coon develops a health issue.

Healthy Maine Coon Checklist

Eyes: Bright and clear—no discharge.
Ears: Clean, odor-free, and without redness.
Mouth: Fresh breath, pink gums, and clean teeth. Learn how to care for their teeth with our Maine Coon Dental Care article.
Coat: Shiny, mat-free, and soft (yep, Maine Coons do shed—read why here: Do Maine Coons Shed?)
Occasional Hairballs: Hairballs are something you’ll see with long-haired cats. Learn how to reduce the occurrence of hairballs and keep your cats’ tummy healthy.
Weight: Active, fit, and healthy. Check your cats’ Body Condition Score every year.
Heart: Heart has regular beat and rhythm. [Read more about heart murmurs in kittens]
Not sure what to feed them? Check out What Should I Feed My Maine Coon?

You can be proactive and take your Maine Coon for an annual health exam! This is your best best for staying on top of your cat’s health and well-being.

What’s Not Normal for a Maine Coon

Keep an eye out for these red flags:

Diarrhea (lasting more than 24 hours)
Here’s how to manage it: Home Remedies for Maine Coon Diarrhea
Constipation
Frequent Vomiting
Straining to Urinate or Blood in Urine
Watery Eyes or Signs of Respiratory Infection
Stress or illness could be to blame.
Litter Box Changes: Sudden changes in urination or bowel movements? Talk to your vet ASAP.

Stress in Maine Coons: The Silent Enemy

Here’s the thing about cats: they’re really good at hiding when something is wrong. Your cat could be stressed out of his mind and still look fine. Stress messes with a cat’s immune system, triggers viruses, causes digestive issues, and even causes behavioral problems. It’s one of the biggest factors in their long-term health.

Here’s what stresses out your Maine Coon:

Too many cats competing for food, water, or litter space
Lack of personal territory or safe spaces
Household changes (new pets, people, even rearranging furniture!)
Loud noises, remodeling, or parties
Grooming, vet, or boarding visits → How to Choose a Vet for Your Maine Coon
Boredom or lack of enrichment
Traveling (Car rides = major stress!) → How to Travel with a Maine Coon

Here’s What it looks like when your Maine Coon is stressed:

Your Maine Coon may hide their discomfort, but watch for these telltale signs:

Urinating outside the litter box
Diarrhea or constipation
Excessive grooming (licking)
Constant scratching
Isolating themselves
Over-vocalizing
Decreased appetite
Sleeping more than usual
Aggression toward pets
Aggression toward humans

Essential Health and Care Tips

We’ve covered some of the common Maine Coon health issues. Don’t let it scare you. It’s all about awareness and prevention.

Here’s a quick list of how to keep your cat healthy:

Feed a balanced diet and maintain a healthy weight→ What Should I Feed My Maine Coon?
Provide mental & physical stimulation– Here’s some Enrichment Ideas
Regular grooming routines → Comb out those tangles before mats form!
Routine vet visits → Annual checkups keep things in check
Stress-free environment → Recognize and address signs of stress early.

Maine Coons are one of the most beloved cat breeds—and for good reason. They’re big, strong, and typically very healthy. But like any living creature, Maine Coons do come with their own set of known health risks. Even when working with a reputable Maine Coon breeder who takes every precaution, health conditions may still occur.

It’s important to be aware of these potential issues. Not to scare you, but to prepare you. Knowing what to watch for can help you take action early. You can manage any conditions and provide the absolute best care for your Maine Coon.

Common Health Issues to Know About

HCM is the most common heart disease in Maine Coons. About 33% of all Maine Coons carry the gene. It causes thickening of the heart walls and can lead to serious complications, even death. Early detection through regular screening is key. Learn everything about HCM in Maine Coons here.

Hip Dysplasia: Maine Coons are one of the largest domestic cat breeds, making them more prone to hip dysplasia. This is a malformation of the hip joint, often leading to arthritis and mobility issues. It is a common diagnosis in Maine Coons, with 25 to 30% of all Maine Coons having this condition.

FIP: Feline Infectious Peritonitis (FIP) is rare but serious. It develops in only 1-5% of cats exposed to coronavirus, and it requires immediate vet attention. Most cats that carry coronavirus never develop FIP, especially if you keep their stress low and their immune system strong. Get the full breakdown on FIP and what to watch for.

Gingivitis & Gum Disease: I’ve seen gingivitis come up more than a few times with Maine Coon cats. It’s actually pretty common in the breed. Their big, beautiful mouths can be prone to dental issues—especially gingivitis, which is basically inflammation of the gums. If it’s not caught early, it can turn into something more serious like periodontal disease. Read How to Care for Maine Coon Teeth to get more details!

Obesity: Maine Coons can certainly become obese. One of my pets was obese, and he passed away at the young age of 9 from heart disease, certainly secondary to his weight. Learn how to assess your cat’s body condition, the right nutrition for a Maine Coon, and what to do if your cat is overweight in our Diet & Nutrition Guide.

healthy gums in a maine coon — Healthy Gums

Caring for Your Maine Coon

Maine Coons shed. And their long coats mat like crazy if you don’t stay on top of it. Regular grooming isn’t just about keeping them looking good; it prevents skin issues, keeps their coat healthy, and gives you a chance to spot any lumps, bumps, or other problems early. Here’s how to groom your Maine Coon.

Should I let my Maine Coon go outside?

Cats who live indoors exclusively live an average of 17 years or more. Outdoor cats usually only live two to five years. That fact alone should be enough to want to keep your Coonie inside. Being outside puts your cat at risk of being hit by a car, being stolen, contracting a viral infection, getting into a fight with another cat, being poisoned, etc.

Reasons Why Cat Owners Let Their Cats Outside

they do not understand the risks
to allow the cat to use their hunting instincts
to let the cat climb trees
to let the cat chase lizards, mice and insects
so the cat can exercise
to use the outdoors for elimination

There are things you can do for your Maine Coon to allow him to experience mental stimulation and physical exercise without him being outdoors.

Leash/Harness Training—You can buy a cat leash and harness and take your cat outdoors under your supervision. Some cats can even go for walks around the neighborhood like dogs do.
Outdoor Enclosures—You can set up an outdoor enclosure that keeps your cat safe. This allows them to get some fresh air. The Sassy Shack is the apartment where the Sassy Koonz resides. It’s a heated and cooled building. There is an outdoor enclosure so the cats can enjoy fresh air and bird watching.
Cat Trees—Cats love to play and climb on cat trees. Cats like to scratch and claw these trees too. They are also a good place for cats to lounge. They give cats the feeling of climbing and exploring without putting them in danger outside.
Indoor Enrichment and Activities—There are many toys available that simulate the hunting experience for cats. Look for toys that chirp or squeak. You can play with your cat too to add even more excitement to their life.

Frequently Asked Questions about the Health of a Maine Coon

Hypertrophic Cardiomyopathy (HCM) is the most common heart disease in Maine Coons. It causes the walls of the heart to thicken, making it harder to pump blood effectively. Roughly one third of Maine Coons carry a gene mutation linked to HCM. There is no cure. Early diagnosis through an echocardiogram can significantly extend a cat’s quality of life. Ongoing treatment, including medication and a low-sodium diet, also helps in extending their quality of life.

Hip dysplasia is surprisingly common in Maine Coons, affecting an estimated 25 to 30 percent of the breed. Because Maine Coons are one of the largest domestic cat breeds, their size puts added stress on the hip joints. The condition causes a malformation of the hip socket that can lead to arthritis and reduced mobility over time. A reputable breeder will screen breeding cats for this condition.

Maine Coons are good at hiding discomfort, but stress shows up in behavioral changes. Watch for urinating outside the litter box, diarrhea, or constipation. Look for excessive grooming or if they are isolating themselves. Notice if they are over-vocalizing or have a decreased appetite. Be aware if they are sleeping more than usual, or showing aggression toward people or other pets. Common triggers include new pets, household changes, loud noises, boredom, and travel.

Maine Coons should have a full wellness exam at least once a year. Annual checkups allow your vet to catch early signs of breed-specific conditions like HCM and hip dysplasia before they progress. Cats with known health conditions or those over 7 years old may benefit from twice-yearly visits. Building a long-term relationship with a vet who knows the breed is especially valuable.

Yes — stress plays a significant role in a Maine Coon’s overall health. Chronic stress can suppress the immune system. It can trigger flare-ups of latent viruses like Feline Herpes Virus (FHV-1). It may cause digestive issues and lead to behavioral problems. Identifying stress triggers early is crucial. Removing them is one of the most impactful things you can do for your cat’s long-term wellbeing.

Gingivitis — inflammation of the gums — is the most common dental issue seen in Maine Coons. If left untreated it can progress to periodontal disease, which is painful and much harder to treat. Signs include red or swollen gums, bad breath, drooling, or pawing at the mouth. Regular tooth brushing, dental wipes, and vet-approved dental diets can prevent it from developing.

Maine Coons in multi-cat households or catteries can be exposed to upper respiratory viruses. These include Feline Herpes Virus (FHV-1) and Feline Coronavirus (FCV). In one to five percent of cases, Coronavirus can mutate into Feline Infectious Peritonitis (FIP), which is serious. Many cats carry these viruses without symptoms, but stress can trigger a flare-up. Keeping cats indoors and managing stress significantly reduces their risk.

A healthy Maine Coon should have bright, clear eyes with no discharge. Their ears should be clean and odor-free. Their gums should be pink, and they should have fresh breath. Their coat should be shiny and mat-free. They should maintain a healthy weight with good muscle tone and have a regular heart rhythm. Regular grooming is essential for keeping a Maine Coon thriving long-term. A balanced diet is another core pillar. Annual vet visits are important as well. Don’t forget mental stimulation. Lastly, ensure a low-stress environment.

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My name is Tracy Caywood. I live in Jacksonville Beach, Florida, and I'm the Guardian of the Sassy Koonz Maine Coon kittens. My goal and passion is to provide you with education, inspiration, and healthy, well-socialized beautiful Maine Coon babies that you'll love forever. My breeding journey started in 2017, and the cattery has flourished into one of the most sought-after catteries in the United States.

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