← Back to Moncton catsCat Health Moncton

Cat Emergencies in Moncton

A male cat straining in the litter box with no urine is a life-threatening blockage, and it cannot wait until morning. That is the cat emergency most owners have never heard of until it happens. This guide covers the hours-count red flags, from blockages to lily poisoning to swallowed string, and tells you where Greater Moncton's 24/7 emergency hospital is before you need it.

11 min read · Updated July 22, 2026
Author: LocalPetFinder Team
Cat being carried in a carrier into a Moncton veterinary clinic at night

The short answer

The top cat emergency is a urinary blockage: a male cat straining in the litter box with no urine, crying, hiding, maybe vomiting. It is fatal within hours, so go now. Also drive-now: any contact with a true lily (kidney failure), swallowed string, suspected antifreeze, open-mouth breathing, collapse, or no eating for two days. Greater Moncton's 24/7 ER is Riverview Animal Health Centre at 506-387-4015. When unsure, phone them.

Advertisement

Cats hide pain. It is the single fact that makes cat emergencies scary, because by the time a cat looks obviously sick, it has often been unwell for a while. That is exactly why knowing the handful of true red flags matters so much: you cannot rely on the cat to tell you clearly.

The flagship cat emergency is a urinary blockage. Most dog owners have never heard of it, and most cat owners only learn about it the hard way. A blocked male cat can go from “keeps visiting the litter box” to critical in under a day. Learn that one, and learn the short list around it, and you will catch the situations where minutes genuinely count.

The red flags: go now

SignWhy it cannot wait
Straining in the litter box, no urineUrinary blockage, especially in male cats. Fatal within hours. The single most time-critical cat emergency.
Crying in or near the box, frequent tripsOften the same blockage or severe FLUTD. Pain plus no output means go now, not in the morning.
Ate any part of a true lilyPollen, petal, leaf or vase water. Causes acute kidney failure. Treatment must start fast.
Swallowed string, ribbon or tinselA linear foreign body can saw through the intestine. Never pull a visible string. Go to a vet.
Suspected antifreezeSweet, lethal in tiny amounts. Wobbliness and vomiting, then a false recovery, then kidney failure.
Laboured or open-mouth breathingCats almost never pant. Open-mouth breathing at rest is a true emergency, handle gently and go.
Not eaten in two daysCats that stop eating can develop liver problems quickly. Two full days with no food is a vet call.
Collapse, seizure, or a bad fallAny collapse, seizure, or trauma from height or a car warrants an immediate assessment.

When in doubt, phone the emergency clinic and describe what you see. That call is free and it is the right move.

Urinary blockage: the one to burn into memory

A urinary blockage happens when crystals, a plug or swelling seal off a male cat's urethra so it cannot pass urine. Toxins that should leave in the pee stay in the blood, and the kidneys back up. Left untreated it kills within roughly a day, which is why vets treat it as a true emergency at any hour.

The picture to recognize: a male cat making repeated trips to the litter box, straining, crying, producing little or nothing, often licking at itself, and as it worsens, vomiting and going flat. If you see that, this is not a wait-until-the-clinic-opens situation. The Cornell Feline Health Center and every emergency vet agree on the urgency. Get to Riverview Animal Health Centre.

The cat-only poisons: lilies and antifreeze

True lilies are a cat-specific killer. Easter, tiger, Asiatic and day lilies cause acute kidney failure, and every part is toxic, including the pollen and the vase water. A cat that gets pollen on its fur and grooms it off has swallowed enough to matter. The ASPCA plant database lists them clearly. Any lily contact is an emergency, and the easy prevention is to keep true lilies out of the house.

Antifreeze is the other one. The ethylene glycol tastes sweet, cats lap it up, and a tiny amount is lethal. It matters most in winter, and our Moncton winter cat guide covers prevention. Suspected exposure to either poison means the vet, immediately, because treatment only works before the kidneys are damaged.

String and ribbon: never pull it

Cats cannot resist string, thread, ribbon, elastics and holiday tinsel, and swallowing them is a surgical emergency called a linear foreign body. One end tends to anchor, often under the tongue, while the rest is pulled into the intestine, where it can saw through the gut wall.

If you can see string hanging from the mouth or the other end, do not pull it, no matter how tempting. Tugging can cause devastating internal damage. Get the cat to a vet, who will assess and usually remove it under anaesthetic. Prevention is a tidy house: hair ties, dental floss, sewing thread and tinsel all locked away where a bored cat cannot find them.

Where to go in Greater Moncton

For a true middle-of-the-night emergency, Riverview Animal Health Centre on Pine Glen Road runs 24/7 emergency care at 506-387-4015. For urgent problems that are not clearly life-threatening, Moncton Veterinary Walk-in and Urgent Care in Riverview runs noon to midnight daily.

We keep the full after-hours clinic detail in one place so it stays current. For the complete Greater Moncton emergency and urgent-care list, see our Moncton emergency vet guide. Everything there applies to cats too. Save the emergency number in your phone now, and if you are new to the city, drive past the clinic once so you know the route in daylight.

Advertisement

Adopt a cat that comes vetted

Rescue cats arrive with a health check, vaccines and a spay or neuter done, so you start with a known baseline instead of a mystery. Greater Moncton listings refreshed regularly.

See Available Moncton Cats →

Frequently Asked Questions

What is a urinary blockage and why is it an emergency?

A urinary blockage is when a cat, almost always a male, cannot pass urine because crystals, a plug or inflammation have sealed off the urethra. Pressure backs up into the kidneys and toxins the body should pee out stay in the blood, which becomes fatal within a day or so. It is genuinely a hours-count emergency, one of the few in cat medicine where the clock is that unforgiving. The classic picture is a cat making repeated trips to the litter box, straining, crying, and producing little or nothing. If you see that in a male cat, do not wait to see if it passes. Go.

How do I tell a blockage from ordinary litter box trouble?

The tell is output. A cat with a mild bladder issue still produces some urine, even if it goes outside the box or strains a little. A blocked cat strains hard and produces nothing, keeps returning to the box, and often cries or hides. As it worsens the cat may vomit and go limp. Female cats block far less often because of anatomy, but they get painful bladder inflammation too. When you are unsure, phone the emergency clinic and describe exactly what you are seeing, since with a possible blockage the safe move is always to be seen rather than to wait.

Are lilies really that dangerous to cats?

Yes, and it surprises people every time. True lilies, the Easter, tiger, Asiatic and day lily types, cause acute kidney failure in cats, and every part of the plant is toxic: petals, leaves, pollen and even the water in the vase. A cat that brushes pollen onto its coat and then grooms it off has ingested enough to be at risk. There is no safe nibble. If your cat has had any contact with a lily, treat it as an emergency and get to a vet immediately, because treatment works best when it starts before the kidneys are damaged. The simplest prevention is to keep true lilies out of a cat household entirely.

My cat swallowed string or ribbon. What do I do?

Do not pull it, and do not wait. String, ribbon, tinsel and thread are what vets call a linear foreign body, and the danger is that one end anchors, often under the tongue or in the stomach, while the rest travels on. As the intestine tries to move it along, the string can saw through the gut wall. If you can see string coming from the mouth or the other end, resist every urge to tug it, because you can cause serious internal damage. Get the cat to a vet, who will assess and often needs to remove it surgically. Cats find thread, elastics, hair ties and holiday tinsel irresistible, so keep them locked away.

Where is the 24-hour emergency vet in Moncton?

Riverview Animal Health Centre on Pine Glen Road is Greater Moncton's 24/7 emergency hospital, reachable at 506-387-4015. That is the one to know for a genuine middle-of-the-night crisis. For urgent problems that are not clearly life-threatening, Moncton Veterinary Walk-in and Urgent Care in Riverview runs noon to midnight daily. Our companion dog emergency guide lists the same clinics with fuller detail, so if you want the complete picture of after-hours options in Greater Moncton, start there rather than us repeating it here. Program the emergency number into your phone now, before you need it at 2 a.m.

What does a cat emergency vet visit cost in Moncton?

It depends heavily on the problem, and no Greater Moncton clinic publishes flat emergency pricing, so treat any figure as directional and phone for a quote. As a rough sense of scale, an after-hours emergency exam is a few hundred dollars before treatment, and a urinary blockage that needs unblocking, hospitalization and monitoring commonly runs into four figures. Add 15% HST. The honest planning advice is to keep an emergency cushion or look into pet insurance early, because the cats most likely to block are often young and otherwise healthy, and the bill lands with no warning. The NBSPCA Happy Tails Fund helps some low-income owners, though it is limited.

My cat is breathing with its mouth open. Is that bad?

Yes, that is an emergency. Cats are nose breathers and almost never pant the way dogs do, so open-mouth breathing at rest, fast shallow breaths, or a cat sitting hunched with its elbows out and neck extended all point to real respiratory distress. Causes range from fluid around the lungs to asthma to heart trouble, and all of them need a vet fast. Keep the cat as calm and still as you can, because stress makes breathing harder, put it in a carrier gently, and go. Do not try home remedies with a cat that is struggling to breathe.

How do I know when something is an emergency versus a next-day problem?

Lead with the short list that cannot wait: a male cat straining with no urine, any lily contact, swallowed string, suspected antifreeze, open-mouth breathing, collapse or seizure, and no eating for two days. Those are drive-now situations. Softer signs, a single vomit, mild lethargy, a skipped meal, one soft stool, can usually wait for a regular appointment if the cat is otherwise bright and eating. The grey zone is real, and the right move when you are unsure is to phone the emergency clinic and describe it. They would rather talk you through it than have you sit on something that turns out to be a blockage.

Should I try to treat a cat emergency at home first?

No. Cats hide illness well, so by the time you notice something is clearly wrong, it is usually already advanced, and home treatment mostly wastes the time that matters. There is no safe home fix for a blockage, a poisoning, string ingestion or breathing trouble. Do not give human medications, since many, including common pain relievers, are toxic to cats. The one useful thing you can do at home is stay calm, get the cat into a carrier safely, and call ahead so the clinic is ready. Speed and a clear description of symptoms are worth more than anything you could attempt yourself.

What everyday things poison cats that I should get out of the house?

True lilies top the list and should not be in a cat home at all. Antifreeze is the winter one, sweet and deadly in tiny amounts. Also keep human medications, especially acetaminophen and ibuprofen, well out of reach, since both are highly toxic to cats. Add to that certain houseplants, essential oils used carelessly, and rodent bait. String, hair ties and tinsel are not poisons but they are surgical emergencies waiting to happen. A quick sweep of the house from a cat's point of view, low shelves, counters, windowsills, catches most of it.

One search, every Moncton rescue

Shelter cats and foster cats from across Greater Moncton, in a single list.

Browse Available Moncton Cats →

New cat? Start with these care guides

Everything a new adopter needs to set up a safe, happy home.