Emergencies
How to Recognise a Veterinary Emergency
The signs that mean go now, the signs that mean call today, and how to prepare before it happens.

Illustrative cover using relevant category imagery; it does not depict the exact subject.
Call first when serious signs appear
Breathing difficulty, collapse, uncontrolled bleeding, repeated seizures, major trauma or suspected poisoning needs an immediate veterinary call. A pet can be seriously ill without crying or having an obvious wound. Tell the clinic your location, the species, what happened and whether the animal is conscious and breathing normally.
Do not delay because you are uncertain which diagnosis fits. Telephone triage helps the team direct you to the right service and prepare for arrival. Save the actual out-of-hours provider's details; it may be different from your usual clinic.
Recognise species-specific warning signs
A cat repeatedly straining with little or no urine needs urgent assessment; owners may mistake this for constipation. A dog with repeated unsuccessful retching, abdominal swelling or severe restlessness also needs immediate advice. A rabbit or guinea pig that stops eating or produces fewer droppings should not be left until the next routine appointment.
Birds and reptiles may hide illness and need a veterinarian experienced with their species. Marked weakness, breathing changes or inability to move normally is concerning. Do not use a dog-and-cat symptom list as a guarantee that another species is safe.
Prevent further harm while arranging transport
Keep people and other animals away from hazards. Pain or fear can make a familiar animal bite, so minimise handling and ask how to move it safely. Avoid pressure on the chest and unnecessary movement after major trauma. Do not muzzle an animal that is vomiting or struggling to breathe.
Do not give human painkillers, leftover medicine or home poisoning remedies. Never induce vomiting unless specifically instructed. For an exposure, bring packaging or a photograph if safe, and report the time and possible amount. Do not put yourself at risk to collect evidence.
Know what to tell the emergency team
Note when signs started, any known illness, medicines, allergies and the last normal eating or toileting. A short video may help if it does not delay care. Use a secure carrier or suitable transport arrangement and follow the clinic's instructions about food, water and handling.
If the animal worsens while you are arranging care, update the clinic immediately. A website or automated assistant cannot safely exclude an emergency. If the first clinic cannot help, ask it for the appropriate emergency provider rather than abandoning the search.
Assign roles while help is being arranged
If more than one person is available, let one call the clinic while another prepares secure transport and keeps children and other animals clear. Read instructions back if anything is unclear. Do not make the animal walk to demonstrate a problem or repeatedly examine painful areas. Use the clinic’s advice for moving a large, injured or frightened animal; lifting technique depends on the situation. A calm plan reduces unnecessary handling, but it must not delay departure when immediate assessment is advised.
Recheck the plan if circumstances change
Tell the emergency team if breathing, consciousness or bleeding changes while transport is being organised or during the journey. A previous suggestion to monitor may no longer apply when signs worsen. If the phone connection fails, use the backup provider or seek the nearest appropriate emergency service. Keep the exposure packaging, current medication list and a concise timeline together, but leave nonessential supplies behind if collecting them delays care. Online photographs and symptom checkers cannot establish that a seriously unwell animal is safe to wait.
Frequently asked questions
- Should I wait for a diagnosis before calling?
- No. Describe the signs and let the clinic advise on urgency; serious symptoms need an immediate call.
- Does quiet behaviour mean my pet is comfortable?
- No. Animals can hide pain or become quiet with serious illness. Consider the whole situation and seek advice.
- Can I use another animal’s medicines?
- No. Keep prescriptions labelled for the intended animal and follow the clinic’s instructions; do not improvise dosing.
- How often should I review the contact plan?
- Review after moving, a new diagnosis or a change in caregiver, and confirm the actual out-of-hours provider before relying on it.
References
- Pet first aid and emergency guidance — AVMA
- Pet health guidance — PDSA