The breathing and consciousness emergencies
Some signs should end all deliberation. A cat who is breathing with her mouth open at rest, wheezing, gasping, or whose belly heaves with every breath needs a vet now, not after dinner. The same applies to a cat who collapses, cannot be roused properly, seems unaware of you, or has a seizure — particularly a first seizure, one that lasts more than a couple of minutes, or several in a row. Sudden loss of use of the back legs, dragging them or crying out in pain, is likewise an emergency presentation, as is a cat found limp, cold or unresponsive. With all of these, the sequence is identical: phone the practice or the out-of-hours service straight away, keep the cat warm, still and contained, and travel as soon as you are told to.
The blocked bladder: the emergency owners most often miss
A cat who visits the litter tray repeatedly, strains, cries and produces little or no urine may be unable to pass urine at all, and that is one of the most time-critical emergencies in feline care, particularly in male cats. Any cat straining unproductively, especially one who becomes quiet, hides, vomits or goes off food alongside it, should be seen immediately, day or night. This is not a wait-until-morning problem under any circumstances, and if you are unsure whether your cat has urinated, err on the side of the phone call and describe exactly what you have seen in the tray.
Bleeding, trauma and poisoning
Heavy bleeding that does not stop with gentle pressure from a clean cloth, any wound that gapes or exposes tissue, and any road accident — even one where the cat runs home apparently intact — all warrant immediate veterinary attention, because internal injuries do not announce themselves. Poisoning is the other time-critical group: cats are exposed through grooming substances off their coats, chewing plants, or getting into household or garden chemicals and human medicines. If you suspect any exposure, phone at once and take the packaging or a photo of the plant or product with you, but never make the cat sick at home unless a vet specifically instructs it — some substances do far more harm coming back up.
What to do in the first five minutes
Phone first, because the team can prepare and can also tell you if your cat should come to them or to a different emergency site. While someone calls, get the carrier out, line it with a towel, and move the cat into it as gently as possible, supporting her body and avoiding pressure on any injured area. Keep her warm with a light blanket over the carrier, keep the car quiet, and do not offer food or water to a cat who is collapsed, fitting, struggling to breathe or possibly heading for surgery. Note the time signs started and what happened in sequence; in a crisis owners forget the order of events, and that timeline genuinely shapes the vet's first decisions.
The urgent-but-not-emergency middle ground
Not everything frightening is an emergency, but several signs earn a same-day call rather than a place in next week's diary: repeated vomiting or diarrhoea, a cat who has stopped eating entirely, obvious pain when picked up, difficulty giving birth with long straining and no kitten, or a wound that is minor but swollen and hot. When genuinely torn between emergency and urgent, phone and describe it; triage over the phone is part of what practices are for, and no vet minds a call that turns out to be cautious.
Arrive with identity and contacts ready
Emergency reception works fastest when the team can confirm the cat's identity and reach you without a paperwork hunt while treatment starts. Presenting KinsLe's Pet Pass at the desk, carrying your cat's verified identity and your contact details where staff can see them at once, removes the fumbling at exactly the moment when every minute belongs to the cat.