How to Introduce a New Cat to Your Home: The First 7 Days
Bringing a new cat home is exciting — and for the cat, it is one of the most stressful days of its life. Everything smells different, every sound is new, and the safe territory it knew is gone. The cats that settle fastest are not the "confident" ones. They are the ones whose owners slowed down, gave them one small safe room, and let them set the pace. This first-7-days plan does exactly that.
The golden rule: small space first, whole house later. A cat that is given the run of a new home on day one will usually hide under a bed for days and may stop eating, stop using the litter box, or start spraying. A cat that starts in one quiet room learns that room is safe, then expands its territory room by room, at its own speed.
Day 1: The safe room
Before your cat arrives, set up one quiet room — a spare bedroom or bathroom — with a litter box, food and water bowls (not next to the litter box), a hiding place like a covered bed or a box with a blanket, a scratching post, and a few toys. Put a worn T-shirt of yours in the room so your scent becomes familiar. When you get home, open the carrier in the safe room and walk away. Let your cat come out when it is ready — even if that takes hours. Sit in the room quietly, read a book, and let the cat approach you. Do not pull it out of hiding.
Day 2: Routine is reassurance
Feed at the same times, scoop the litter box daily, and keep the room calm and quiet. Talk softly when you enter. Play with a wand toy for a few minutes if the cat is interested, but do not force interaction. Watch the basics: is the cat eating, drinking, urinating and defecating? A cat that has not eaten for 24 hours, or has not urinated for 12 hours, needs a vet call — cats can develop serious liver problems from not eating, so appetite matters more than friendliness in week one.
Day 3: Scent swapping (especially if you have other pets)
If you already have a cat or dog, do not introduce them face to face yet. Swap scents first: exchange blankets between the new cat's room and the rest of the house, and feed both animals on opposite sides of the closed safe-room door so they associate each other's smell with food. If either animal hisses or refuses to eat near the door, move the bowls further apart and try again tomorrow. Slow is fast here — a bad first meeting can take weeks to undo.
Day 4: Open the door — a little
If your new cat is eating well, using the litter box, and exploring the safe room confidently, prop the safe-room door open for short supervised periods and let the cat choose whether to explore. Keep the safe room available as a retreat — never close it off while the cat is still using it as a base. If the cat dashes back to hiding, that is fine. It is learning the house in its own time. For a cat that suddenly stops using the litter box during this stage, read why your cat is not using the litter box before assuming it is misbehaving.
Day 5: Play, handling and the vet plan
Build short, positive handling into the day: a gentle stroke, a treat, a brief brush if the cat enjoys it. Keep sessions short and end before the cat gets overstimulated — flattened ears, tail lashing, or skin twitching mean stop now. Book the first vet visit for this week if it has not happened yet: a health check, vaccinations, parasite treatment, and a microchip check are the week-one essentials. Bring a stool sample if the shelter or breeder asked for one.
Day 6: First supervised pet meetings
Only now, if scent swapping has gone well, try a short visual meeting through a baby gate or a slightly open door, with both animals distracted by food or play. Keep it to a few minutes and end on a calm note. Hissing at first sight is normal — it is communication, not failure. Separate them again and repeat daily, lengthening the time gradually. Never hold one animal up to the other, and never punish hissing. If you have a dog in the house, keep it on a lead for the first meetings and reward calm ignoring.
Day 7: Review and settle in
By day seven, a settled cat is eating normally, using the litter box, playing at least a little, and choosing to be near you sometimes. It may still hide at loud noises, and it may still be wary of other pets — that is normal for weeks, not a problem. Keep the safe room open for at least another week, keep routines steady, and add enrichment gradually: a window perch, a second scratching post, a puzzle feeder. If you are still preparing for a brand-new kitten, our new kitten checklist covers the supplies to have ready before day one.
Mistakes to avoid in week one
Do not wash the cat on day one unless the vet advises it. Do not change its food abruptly — mix the old food with the new over a week. Do not let visitors crowd the cat, and do not let children carry it around the house. Do not move the litter box to a "better" spot mid-week; cats navigate by scent and habit. And do not worry if your new cat is not a lap cat by day seven. Trust is built in weeks, and a cat that feels safe in week one will become affectionate on its own schedule — which is exactly what makes cats so rewarding.
Call the vet promptly if: your cat has not eaten for 24 hours, has diarrhoea or vomiting for more than a day, is straining in the litter box, or is hiding and completely unresponsive for more than 48 hours. Otherwise, keep it quiet, keep it routine, and let the first seven days do their work.
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