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My cat will not eat — what now?

A cat that stops eating runs into trouble faster than a dog. Check first for breathing, urination or alertness problems, then decide whether to go now, contact your vet today, or record and watch.

First, how urgent is this?

Go now

  • Open-mouth breathing, obvious effort to breathe, or a blue tongue.
  • Repeated trips to the litter box with no urine, or only a few drops.
  • Blood in vomit.
  • Vomit that looks like coffee grounds.
  • Sudden collapse, or unable to stand.

Contact your vet today

  • No food at all for 24 hours.
  • More than two episodes of vomiting in 24 hours.
  • Weight down by 5% or more within two weeks.
  • Eating only a little, drinking clearly less, or hiding all day.

Record and observe

  • Still eating, just less than usual, with normal energy and drinking.
  • A recent food change, a move or a new family member, with appetite creeping back over a few days.
  • A cat already under vet care: record how much each meal was, and bring the record to the next visit.

Before you set off

  • When the last full meal was, how much it was, and what has been eaten since.
  • Vomiting or diarrhoea: how often, when, and photos.
  • The most recent weight, and any usual weight record.
  • A list of current medicines and supplements, with the time of the last dose.
  • What the litter box shows: any urine, how much, any blood.
  • Do not give human medicine or stop a prescribed medicine on your own; do not force-feed.

What your vet may ask and do

  • Ask: when the appetite changed, and whether it was sudden or gradual.
  • Ask: any vomiting, diarrhoea, or change in drinking and urination.
  • Ask: any recent food change, move, new family member or trip.
  • Do: mouth and teeth exam, weight, and an assessment of hydration.
  • Do: abdominal palpation.
  • Do: blood and urine tests (kidney values, electrolytes, thyroid).
  • Do: X-rays or ultrasound if needed.
  • Do: severe cases may be admitted for fluids.

Where to go in Hong Kong

Call the clinic before you drive over, to confirm tonight's arrangements and the location.