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Why Is My Cat Hiding and Not Eating?

How to respond when hiding and appetite loss happen together, with a simple observation checklist and urgent warning signs.

The short answer

Hiding plus appetite loss can reflect pain, nausea, fever, urinary trouble, dental disease, stress, or another illness. Reduce noise, observe from a distance, and contact a veterinarian rather than assuming it is “just stress.” The combination matters most when it is new, persistent, or paired with other changes.

Get urgent help if you notice

  • Open-mouth breathing, breathing effort, collapse, or inability to stand
  • Frequent litter-box trips with little or no urine
  • Repeated vomiting, obvious pain, or suspected injury or toxin exposure
  • Not eating for close to 24 hours, sooner for a medically fragile cat

This list is not exhaustive. If your cat looks seriously unwell or you feel something is wrong, call a veterinary clinic or emergency service.

What to do next

  1. 1

    Give your cat one quiet room with food, water, a litter box, and a hiding option.

  2. 2

    Observe breathing, walking, posture, and litter-box use without pulling the cat out.

  3. 3

    Offer familiar food and record whether your cat sniffs, licks, or eats it.

  4. 4

    Send the timeline and observations to your veterinary team.

Bring better notes to the vet

A short timeline is more useful than trying to remember everything under pressure. Track these six details:

Time hiding beganLast mealUrinationStoolBreathing rateMobility
Open the free observation log