A cat that stays under the bed for 24 hours straight is not being shy, it is sending a signal. Two to 4 weeks of hiding after a move, a new baby, or a second cat is normal settling. Hiding that starts suddenly in a cat with a set routine, or that runs past 24 hours without food, water, or 1 trip to the litter box, needs a vet within the day.
Run 3 screens in a fixed order: pain, fever, diabetes. Each one has a number attached, and the numbers decide whether you watch another 12 hours or drive to the clinic.
Settling runs 2 to 4 weeks, not 2 days
After a move or a household change the timetable is fairly predictable. Most cats spend the first 24 to 72 hours in 1 room and move around at night. By day 7 they cross the floor while you sit still. By week 2 to 4 the old routine returns. A cat that keeps eating, drinking, and using the box on schedule through that stretch is settling; a cat that drops 1 of those 3 is not.
Give a settling cat 1 room, not the whole apartment. Keep food, water, and litter within 2 meters of the hiding spot so the cat does not have to trade safety for a meal. Sit on the floor for 10 minutes twice a day and ignore the cat. Dragging it out from under the bed usually adds 3 to 5 days to the timeline.
The 24-hour line, and the 6-hour one
Count back from the last confirmed meal, drink, and urination. Under 24 hours in an otherwise stable cat: keep the room quiet and watch. Past 24 hours without food: same-day visit. Past 12 hours without water: same-day visit. A male cat that strains in the box for 6 hours and passes nothing is an emergency at any hour, because a blocked urethra can turn fatal in 24 to 48 hours.
Screen 1: pain has 3 hiding places
Cats hide pain before they hide themselves. Check the mouth first, since most cats past 3 years have some degree of dental disease; look for brown deposits on the back molars and a flinch when you lift the lip. Palpate the belly with 1 flat hand and stop at the first hardening. Then watch the jump: a cat that quit a 60 cm shelf is guarding hips or spine. Typical pain postures are a hunched back, a head held below the shoulder line, and eyes half closed for more than 2 hours at a stretch.
An infected or non-healing wound is its own reason to hide. A shallow scratch closes in 5 to 7 days; anything still open at day 10, and any bite wound at all, needs a look, see wound not healing.
Screen 2: fever, 39.5 C, and a 12-hour curve
Normal rectal temperature runs 38.1 to 39.2 C (100.6 to 102.6 F). Above 39.5 C (103.1 F) counts as fever until proven otherwise. Take the reading twice, 12 hours apart; 1 spike after a car ride means little, 2 readings above 39.5 C do not. A feverish cat tends to stop grooming, hide harder, and breathe faster: over 40 breaths per minute at rest is the cutoff, counted across a full 60 seconds with the cat asleep or lying flat.
Noisy or wet breathing is a different track from a fever watch, and it belongs with wheezing rather than with a 3-day log of temperatures.
Screen 3: diabetes, water, and 24-hour clumps
Metabolic disease changes the litter box before it changes the mood. Track 3 numbers for 3 days: millilitres drunk per day, clumps formed in 24 hours, and body weight. A cat drinking more than 100 ml per kg per day, or doubling its clumps from 1 to 2 or more, is a cat to test. Blood glucose above 11 mmol/L (about 200 mg/dL) together with glucose in the urine is the pattern vets chase; resting glucose normally sits at 5.5 to 8.0 mmol/L.
Weigh the cat on a kitchen scale, not by eye. A 4.5 kg cat that reads 4.2 kg has lost 7 percent, which is worth a visit even if it still comes out for dinner.
Match the pattern to the first check
| Hiding pattern | Check first | Watch window | Act by (day) |
|---|---|---|---|
| Night only, eats and drinks | Environment | 14 to 28 days | 28 |
| All day, eating less | Mouth and teeth | 24 hours | 1 |
| All day, warm ears, 39.5 C plus | Temperature | 12 hours | 1 |
| All day, drinks a lot, 2 plus clumps | Glucose and urine | 72 hours | 7 |
| All day, 40 plus breaths per minute | Lungs | 0 hours | 0 |
Those 5 rows save about 10 minutes of guessing at 2 in the morning. The last row is the only one that never waits for daylight.
Draw the cat out in 4 steps
Cut the room to 1 exit and 1 hiding place. Put a worn T-shirt in the bed and swap it every 3 days. Feed 4 small meals at fixed hours, then leave the room. Add a 30 cm box as a middle distance between the bed and the bowl. Ignore the cat for the first 10 minutes of every visit; most cats step out between minute 10 and minute 20, and reaching for them at minute 2 resets the count.
When to see a vet
Go now, within the hour: open-mouth breathing, 40 or more breaths per minute at rest, gums that are white, grey, or blue, a collapse, or a male cat straining for 6 hours with no urine.
Go today, within 12 hours: no food for 24 hours, no water for 12 hours, 2 temperatures above 39.5 C, a swelling that grew within 24 hours, or hiding that started within 1 hour of contact with a possible toxin. Run the toxin list before you decide to wait.
Book within 48 to 72 hours: 3 days of hiding with a normal appetite, 5 percent weight loss over 4 weeks, or a cat that hides only after jumping onto something.
What the first 3 days should look like
Day 1: 1 room, 1 phone call if the 24-hour line was crossed, 2 temperature readings if the cat tolerates it. Day 2: log water in millilitres, clumps in 24 hours, and grams eaten. Day 3: compare those 3 numbers to the table and either rebook or relax. A cat that eats, drinks, urinates, and comes out at night can be watched another 7 days without much risk.
Frequently asked
How long is it normal for a cat to hide after moving house?
Most cats settle in 14 to 28 days, with the first 24 to 72 hours spent in a single room and most movement happening at night. Day 7 is usually when a cat crosses the floor while you sit still, and weeks 2 to 4 bring the old routine back. If eating, drinking, or litter box use stops for more than 24 hours, that is no longer settling and needs a same-day vet call.
How can I tell whether hiding means pain or just stress?
Watch the body, not the mood. Pain shows as a hunched back, a head held below the shoulder line, eyes half closed for over 2 hours, flinching when the belly is touched with one flat hand, or quitting a jump the cat used to make. Stress hiding keeps normal posture and normal appetite. Palpate gently, check the mouth, and book a visit if any of those postures repeat for 2 days.
What temperature counts as a fever in a cat?
Normal rectal temperature is 38.1 to 39.2 C, or 100.6 to 102.6 F. Anything above 39.5 C (103.1 F) counts as fever, but one reading proves little. Take it twice, 12 hours apart, and act on 2 readings above 39.5 C. Add the breathing rate: more than 40 breaths per minute at rest over a full 60 seconds is a reason to call the clinic immediately.