Why is My Cat Hiding in the Closet? | Feline Behavioral Triage

TL;DR: Sudden hiding in cats typically indicates physical discomfort or psychological stress and requires monitoring for symptoms like lethargy or loss of appetite. While usually not an emergency, seek immediate care if your cat has difficulty breathing or is extremely weak.

What does it mean if my cat is hiding and isolating?

• When a cat suddenly begins isolating in a closet or under a bed, it is often a sign that they are trying to cope with physical discomfort or psychological stress.
• Cats are masters at masking illness because, in the wild, showing vulnerability is dangerous.
• They naturally seek out dark, enclosed spaces to feel secure when they do not feel their best.

Is my cat hiding a medical emergency?

• The urgency level for a cat hiding is generally low if it is an isolated behavioral change, but you should monitor them closely.
• Schedule a veterinary appointment if the hiding is accompanied by a refusal to eat for more than 24 hours, vomiting, or changes in litter box habits.
• Seek immediate emergency care if you notice open-mouthed breathing or extreme lethargy.

How can a photo or video of my cat help with triage?

• Capturing a photo or video of your cat in their hiding spot can be incredibly helpful for your veterinarian.
• A photo allows the vet to see the cat's posture—whether they are "hunched" in pain or simply resting.
• A video can capture subtle clinical signs, such as the rate of their breathing or small facial twitches, which may disappear once the cat is alert and stressed during a clinic visit.