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7 Subtle Signs Your Cat Might Be Sick (That Many Owners Miss)
April 1, 2025

Kitties are quite mysterious. They’re also experts at hiding discomfort, which makes it tricky for their humans to spot when something’s wrong. At Lakeview Veterinary, your trusted veterinary clinic in Ashland WI, we want to make sure you don’t miss early red flags. Whether Fluffy is suddenly acting a little “off” or showing strange behaviors, these can be subtle cries for help.

As your friendly neighborhood vet, we’re here to help you recognize what your feline friend might be trying to tell you—before it turns into something serious. Below are 7 often-overlooked signs that your kitty could be under the weather.

1. Changes in Grooming Habits

If your feline pal is grooming herself less—or suddenly grooming way more—than usual, it could be a warning sign. Cats are usually meticulous about cleanliness. A decrease in grooming might indicate arthritis, dental pain, or even depression. Excessive grooming, especially in one area, might point to allergies, anxiety, fleas, or skin conditions.

It’s worth noting that senior cats sometimes get a bit disheveled. Their skin produces more oil than that of younger cats, and they can’t bend as easily.

Fun Fact: Cats spend up to 50% of their awake time grooming themselves. Any deviation from that norm is worth a chat with your vet.

2. Unexplained Weight Loss or Gain

You may not notice subtle changes in your pet’s weight on a daily basis. However, if Fluffy is losing or gaining weight without any change in her diet or exercise, it’s time to pay attention. Weight loss might signal issues like hyperthyroidism, diabetes, or even cancer. Weight gain could indicate overfeeding, lack of activity, or a slower metabolism due to age.

Watch for:

  • Rib bones becoming prominent
  • A pudgy belly with thin limbs
  • Sudden appetite shifts

These are all subtle cat health symptoms that warrant a trip to your local animal hospital.

3. Bad Breath

Dental disease is a common but often overlooked issue in cats. It can lead to infections that affect internal organs like the heart and kidneys. Fluffy’s breath isn’t going to smell minty-fresh, but if it makes you recoil, that’s a red flag. 

If you notice:

  • Foul-smelling breath
  • Drooling
  • Difficulty eating
  • Pawing at the face
  • Swelling
  • Bleeding gums

…it’s time to schedule a dental checkup at your local vet clinic in Ashland WI.

4. Hiding or Avoiding Social Interaction

Some cats are naturally a bit aloof, but if your kitty suddenly starts hiding, avoiding you, or acting more withdrawn than usual, it might not just be a mood. Many sick cats instinctively isolate themselves when they’re not feeling well.

Vet Tip: A feline who typically greets you at the door but is now nowhere to be found could be silently suffering.

5. Litter Box Changes

Behavioral changes around the litter box are one of the easiest ways to tell if your kitty is unwell. Peeing outside the box, straining, or producing smaller-than-usual clumps can indicate urinary tract infections, kidney issues, or even diabetes.

Keep an eye out for:

  • Frequent trips to the box
  • Yowling while using it
  • Blood in urine or stool

These are early signs of illness in cats that shouldn’t be ignored.

6. Sudden Changes in Vocalization

Has your normally quiet kitty started howling? Or maybe Fluffy, once chatty, has gone silent? Changes in meowing patterns can signal pain, cognitive decline, or thyroid problems.

In senior cats especially, increased yowling at night may be related to disorientation or discomfort. If your feline overlord is suddenly “talking” more or less than usual, your vet should be part of the conversation.

7. Unusual Gait or Posture

Watch how your four-legged friend moves around the house. If she’s limping, hesitating to jump, or walking stiffly, there could be underlying joint issues, injuries, or neurological concerns. Some cats hunch over when in pain, especially with abdominal issues.

Did You Know? Cats are so good at hiding arthritis that many owners don’t realize their kitty is in pain until their condition has progressed.

What To Do If You Notice These Signs

If any of these signs ring a bell, don’t wait. Contact Lakeview Veterinary—your go-to veterinary clinic in Ashland WI. Our experienced vets will run the right diagnostics and give your feline friend the care she needs.

Timely vet visits can make all the difference. With proper attention and treatment, many issues can be managed or completely resolved.

FAQ: Subtle Signs Your Cat Might Be Sick

What is the most common overlooked symptom of illness in cats?

Changes in grooming habits, reduced appetite, and increased hiding are three of the most overlooked early signs of illness in cats.

How can I tell if my cat is just tired or actually sick?

If lethargy is paired with changes in appetite, grooming, or litter box use, consult a veterinarian.

When should I take my cat to the vet for subtle symptoms?

If symptoms last more than a day or two, or if your instincts tell you something’s off, trust them—call your local vet clinic.

Come See Us at Lakeview Veterinary!

We care deeply about your feline bestie’s health and happiness. If you’ve noticed anything unusual—or just want peace of mind—bring her in for a checkup. Lakeview Veterinary proudly serves the Ashland WI community with compassionate, expert care.

This blog is intended for informational purposes only. Always follow the advice of your veterinarian for your pet’s specific health needs.

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