---
title: Sick Cat | How to Tell if Your Cat is Sick Using Sick Cat Body Language &amp; Symptoms
description: Discover how to tell if your cat is sick with our guide on sick cat symptoms, body language, and signs to look out for. Learn how to tell if your cat is sick and ensure your furry friend remains healthy and happy.
lastUpdated: 2025-10-02T19:05:10.000Z
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# How to Tell if Your Cat is Sick: Sick Cat Body Language & Symptoms

Written by [Dr. Jacqueline Brister, DVM](/waterbowl/author/dr-jacqueline-brister)

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![How to tell if your cat is sick? This stripe-colored cat in the image looks sick based on his position.](//images.ctfassets.net/nx3pzsky0bc9/3g0GggOs9rrcM8aZ5b76sa/390d0d813accaf2a9c6fd1f4134e2eb7/Sick_cat.png?w=355)
Is your cat acting out of sorts? While cats are often stoic, they do give us clues when they're not feeling well. As a caring pet owner, it's essential to know the red flags that might indicate your feline friend is feeling unwell.

As loving pet parents, we all want to keep our feline friends healthy and happy. However, cats are [masters of disguise when it comes to illness](https://fallsvetclinic.com/the-sick-cat-a-master-of-hiding-symptoms/) – a trait inherited from their wild ancestors who needed to hide weakness from predators. Even though our domestic cats live comfortable lives in our homes, they still retain this instinct.

Understanding how to recognize the subtle signs of illness in cats can make all the difference in getting them the care they need when they need it most.

## How Do I Know If My Cat Is Sick? Understanding Sick Cat Body Language

When trying to determine if your cat is sick, paying attention to their body language can provide clues. Cats often communicate their discomfort through subtle changes in posture and behavior:

### Changes in Overall Appearance and Posture

Your [cat’s body language especially when they are sick](https://www.embracepetinsurance.com/waterbowl/article/feline-body-language) can speak volume when they are feeling under the weather. While cats try to mask their discomfort, subtle changes in how they carry themselves or move around your home can be telling signs of illness or pain. Watch for these key indicators:

- Hiding – Hiding is a common sign of a sick or injured cat. A cat will instinctively hide to avoid showing illness
- Hunched or tense posture – Your cat may sit in a crouched position or appear tense
- Changes in how they carry their tail or head
- Difficulty jumping or changes in how they move
- Laying Around More Than Usual – We all know that cats love their naps, but an unusually lethargic cat can be a sign they're not feeling well

### Grooming Habits and Coat Condition

A healthy cat typically spends up to 50% of their waking hours grooming, keeping their coat pristine and well-maintained. [Changes in your cat’s behavior, especially with their grooming habits](https://www.sciencedirect.com/science/article/abs/pii/S0168159100000940) or coat appearance, can be one of the earliest indicators that something isn't quite right with your feline friend. When cats aren't feeling well or are in pain, they may stop their usual grooming routine, leading to matted fur, overgrown toenails, and an unkempt appearance.

Conversely, some cats might excessively groom one area due to [stress](https://www.embracepetinsurance.com/waterbowl/article/anxiety-in-dogs-dog-anxiety-treatment), allergies, or discomfort, potentially creating bald spots or skin irritation. Watch also for increased dandruff or an unusually greasy coat, as these changes can signal various health issues ranging from skin conditions to systemic diseases that affect their ability to maintain proper grooming habits.

## Sick Cat Symptoms - Key Warning Signs to Watch For

While cats are experts at hiding illness, there are certain symptoms that can indicate your cat is sick. Being familiar with these warning signs and monitoring your cat's daily habits can help you catch problems early, when they're often easier and less expensive to treat. Here are the key symptoms to watch for:

### Changes in Eating and Drinking Habits When Your Cat is Sick

Changes in your cat's eating and drinking patterns can be significant indicators of illness. While cats can be naturally selective about their food, completely skipping meals and treats is a red flag that shouldn't be ignored. Pay particular attention if your cat hasn't eaten for more than 24 hours, as this can lead to a serious condition called [hepatic lipidosis (fatty liver disease)](https://www.embracepetinsurance.com/health/hepatic-(liver)-failure-acute).

Similarly, changes in drinking habits - whether it's increased thirst, seeking water from unusual sources like faucets or toilets, or drinking less than usual - can signal various health issues. Some cats may show increased appetite and thirst, which could indicate conditions like [hyperthyroidism](https://www.embracepetinsurance.com/health/feline-hyperthyroidism) or [diabetes](https://www.embracepetinsurance.com/health/diabetes-mellitus), while decreased appetite might suggest dental problems, [kidney disease](https://www.embracepetinsurance.com/health/acute-kidney-failure-in-cats), or other underlying health concerns. These changes in eating and drinking patterns, whether subtle or dramatic, warrant attention and possibly a veterinary consultation.

### Sick Cat and Changes in Their Litter Box Behavior

Changes in your cat's litter box habits often provide important clues about their health status. If you notice your cat urinating or defecating outside the litter box, this could signal several potential health issues.

The cause might be physical - such as joints or [bone pain](https://www.embracepetinsurance.com/health/osteoarthritis) making it difficult to climb into the box or [urinary tract infections](https://www.embracepetinsurance.com/health/urinary-tract-infection) causing urgent bathroom needs. It could also indicate gastrointestinal problems, general lethargy leaving them too tired to make it to the box, or stress from illness or environmental changes.

Pay close attention to [what you find in the litter box](https://www.purina.com/articles/cat/health/digestion/cat-poop-types-color-guide) as well; small, hard stools could indicate dehydration or constipation, while straining to urinate might signal a urinary tract infection or, more seriously, a blockage - which is a medical emergency requiring immediate veterinary care.

Changes in urine clump size can also be telling larger clumps might indicate diabetes or kidney problems, while smaller clumps could suggest dehydration or reduced kidney function. Regular monitoring of your cat's litter box habits can help you catch potential health issues before they become severe.

### Physical Feline Symptoms

Some signs of illness in cats are more visible than changes in behavior or routine. From unexplained bleeding to breathing difficulties, physical symptoms can provide clear signals that your cat needs medical attention.

While some physical changes might seem minor at first, they can indicate more serious underlying conditions that require veterinary care. Here are the key physical symptoms to watch for:

- *Bleeding* – Whether from the skin, mouth, nose, urinary tract, etc., bleeding is always cause for concern and should be checked by a veterinarian
- *Unusual Breathing/Struggling to Breathe* – Snoring, rapid breathing, and breathing with the mouth open are all signs that something is up
- *Weight Loss* – Losing weight is generally a cause for concern. If you are unsure if your cat is losing weight, you can weigh them on your home scale periodically
- *Runny Nose or Eyes/Sneezing* – This can be a sign of upper respiratory illness (e.g. kitty cold), allergies, or poor grooming
- *Swelling Under Skin* – Tumors and abscesses (i.e. a type of infection pocket under the skin) can cause areas of the skin to become swollen. Sometimes these areas ooze or become reddened
- *Painful Tummy* – This could be a sign of gastrointestinal illness or issues with joints or internal organs
- *Vomiting & Diarrhea* – While some cats do occasionally vomit (throw up or spit up), this is not generally normal for cats. Vomiting or diarrhea (loose stool) can be signs of a gastrointestinal issue. If you suspect your cat has ingested something toxic, remember that [how to make a cat throw up](https://www.embracepetinsurance.com/waterbowl/article/how-to-make-your-cat-throw-up-inducing-vomiting-in-cats) should only be determined by a veterinary professional, as improper methods can be dangerous.

![A ginger cat who seems to be struggling to eat. Is it one of cat sick symptoms?](//images.ctfassets.net/nx3pzsky0bc9/10GTxXyZbyGgKWqNOgsEFo/8058ecec6d665f70927ee352c3e1e752/Sick_looking_cat.png?w=804)

## Emergency Signs and When to Seek Immediate Veterinary Care

While many signs of illness can wait for a scheduled veterinary visit, certain symptoms demand immediate medical attention. These emergency situations can be life-threatening, and delays in treatment could have serious consequences for your cat's health.

When minutes count, recognizing these critical signs can make the difference between a treatable condition and a tragedy. If your cat displays any of the following symptoms, don't wait - seek emergency veterinary care right away:

- *Not Responding to You* – Lying in one place not responsive to touch or sounds can be a scary sign that something serious is going on with your kitty
- *Not Used the Bathroom for More than 24 Hours* – If your cat has been unable to use the bathroom in more than 24 hours, this could mean they're either unable to go (such as with a urinary tract blockage) or they are not taking in enough nutrients
- *No Food or Water for More Than 48 Hours* – Not eating or drinking anything for more than two days is not normal and should be addressed by a veterinarian ASAP
- *Extreme Weight Loss* – Losing a huge amount of weight in a short period of time is often an indicator that a cat is dealing with a life-threatening condition
- *Large Tumors* – Large masses or [tumors](https://www.merckvetmanual.com/cat-owners/skin-disorders-of-cats/tumors-of-the-skin-in-cats) on a cat are often an indicator of serious cancer. If you discover any unusual lumps or masses on your cat, it's important to consult your vet right away to discuss your options, as [how much chemotherapy for cats costs](https://www.embracepetinsurance.com/waterbowl/article/cat-radiation-therapy-costs-cat-cancer-treatment) will vary depending on the type of treatment your pet needs.
- *Struggling to Breathe* – If it looks like your cat is struggling to breathe, go to the veterinarian immediately

## Protecting Your Cat's Health

Regular veterinary check-ups are important for detecting illness early, but unexpected health issues can arise at any time. That's why many pet parents choose to protect their furry family members with pet insurance.

A [comprehensive cat insurance plan](https://www.embracepetinsurance.com/cat-insurance) can help cover the costs of diagnostics and treatment for accidents and illnesses. Unexpected illness, accidents, and aging-related conditions can lead to significant veterinary expenses. With pet insurance, you can have peace of mind knowing that your cat is protected. Access to the best veterinary care without financial worry allows you to focus on your cat's recovery.

Cats are notorious for hiding signs of illness, making it difficult for owners to detect problems early on. This is where a non-insurance [pet wellness plan](https://www.embracepetinsurance.com/coverage/wellness-rewards) can be invaluable. By incorporating regular check-ups into your cat's routine, your veterinarian can identify potential issues before they escalate.

## Taking Action When Your Cat Is Sick

If your cat shows signs of illness, it's important to consult with your veterinarian. Most health issues in cats can be effectively treated with proper diagnosis and timely intervention.

However, in some cases, a cat's quality of life may be significantly compromised due to severe illness or injury. In these situations, humane [euthanasia](https://www.embracepetinsurance.com/waterbowl/article/when-to-put-your-dog-or-cat-down) may be considered as a compassionate option to relieve suffering.

If euthanasia is not immediately necessary, [hospice care](https://www.embracepetinsurance.com/research/pet-insurance-cover-euthanasia-cremation-death) can offer comfort and support. This may involve pain management, nutritional support, and other measures to improve your cat's quality of life.

Most health issues in cats can be effectively treated with proper care. Your veterinarian can guide you through any challenges and help you provide the best possible care for your feline friend.

Remember, you know your cat better than anyone else. If something seems off about their behavior or appearance, trust your instincts. Early detection and treatment of illness can make a significant difference in your cat's recovery and quality of life. Don't hesitate to reach out to your veterinarian with any concerns – they're there to help ensure your beloved feline friend stays healthy and happy for years to come.

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![Dr. Jacqueline Brister, DVM](//images.ctfassets.net/nx3pzsky0bc9/6AzsulL0f2fPVb4nAfMUer/da73d96cd12d96d1fe01a74f29ed81d0/drJacquelineBrister.jpg?w=225)

## Written by

### Dr. Jacqueline Brister, DVM

Dr. Jacqueline Brister is a small animal veterinarian and veterinary medical writer committed to educating and promoting pet health and wellness.

[Read More ->](/waterbowl/author/dr-jacqueline-brister)
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