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When is it a pet emergency? Signs your pet needs urgent veterinary care

It is important to know when your pet requires immediate veterinary attention from a veterinary professional. Some problems can be more serious than they outwardly appear and may require prompt treatment to prevent them from worsening, while others are true emergencies that require veterinary care as soon as possible. In this article, we discuss some of the most common reasons pets need emergency care – but remember, this isn’t a complete or exhaustive list. If you’re ever unsure whether your pet needs urgent help, it’s always best to contact your vet straight away.  

When is it a pet emergency? Signs your pet needs urgent veterinary care

Common signs of an emergency in pets

This can be obvious signs like choking and gasping, but can also include more subtle signs, such as breathing with more effort (often seen as excessive abdominal movement), breathing quickly, or open-mouth breathing/panting in cats (panting is normal for most dogs).  

Further reading: Symptom - Breathing Difficulties

Not all bleeding is an emergency, but a constant flow of blood, bleeding that pulses, or bleeding that does not stop within a few minutes should all prompt veterinary attention. 

Vomiting or having diarrhoea multiple times per day, or if these symptoms are accompanied by other signs of illness, such as fever or lethargy

Some eye conditions are considered an emergency and can include corneal ulceration, glaucoma (noticed as the surface of the eye going blue/cloudy), eye trauma, swelling or prolapse of the eye, and sudden-onset blindness (often related to high blood pressure). The eye is a delicate structure that can quickly get worse.  

Don’t wait to bring your pet in if they have been attacked by another animal or hit by a car or other object, even if there are no visible signs of injury. Internal injuries and bleeding can quickly become life-threatening. Previously undiagnosed seizures can be another sign of trauma. 

Further reading: Cat in a Road Traffic Accident, Dog in a Road Traffic Accident

Collapse is an inability to stand up or move around normally. Pets can collapse for many reasons, including physical problems with the back legs or the spine, or systemic (related to the internal body system) problems such as low blood pressure due to internal bleeding or overheating, as in heatstroke. Collapse usually requires urgent veterinary attention to find the underlying cause. 

In pets, a birthing emergency occurs when a dog or cat experiences difficult labour (dystocia) and requires immediate veterinary intervention. Key indicators include straining for over 20-30 minutes without producing a puppy or kitten, more than two hours between deliveries, or abnormal discharge (green or bloody) without delivery. 

Any seizure that has not stopped after 3 minutes or several short seizures within a short period, warrants immediate veterinary treatment. A single, short seizure does not require urgent treatment (pets are often best left where they are to recover), but we would recommend calling for advice. 

A neurological emergency in pets requires immediate veterinary attention with sudden paralysis or significant weakness of one or more than one limb; loss of consciousness (like fainting or coma); or severe changes in mental status like lethargy, disorientation or unresponsiveness; head tilting, circling, incoordination, or unusual eye movements (like nystagmus). These signs can indicate a serious underlying issue like stroke, brain injury, or spinal cord damage. 

A sting, bite, or allergic reaction is a medical emergency in pets if they exhibit signs of difficulty breathing, swelling or collapse (anaphylaxis). Other signs of a serious allergic reaction include vomiting, pale gums, disorientation, or seizures - contact your vet immediately. 

What to do if your pet is experiencing an emergency

What to do if your pet is experiencing an emergency

Pets can experience a range of emergencies that require immediate veterinary attention, even if the symptoms don’t always seem obvious at first. From breathing difficulties and severe bleeding to seizures, poisoning, or signs of bloat, quick action can make all the difference. Understanding these common emergency signs helps you respond promptly to protect your pet’s health and well-being. When in doubt, it’s always best to contact your vet straight away. 


When in doubt, contact your vet immediately 

Learn the signs of a pet emergency and when to contact your vet immediately. It’s important to know your nearest 24/7 vet clinic before an emergency happens. Animal Trust Vets provide 24/7 emergency vet care at our Pet A&E centres in Barnsley, Bolton, Ellesmere Port, Teesside, Warrington and Shrewsbury.

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Written by Dr. Mariella Roberts, Veterinary Surgeon, Animal Trust Vets CIC
Published September 2025 | Review date September 2028
This advice is for UK pets only and is not a replacement for seeing a vet

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