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Emergency Vet Symptoms: When to Call Right Now

What symptoms mean I should call an emergency vet right away?

If a pet’s condition looks severe, changes quickly, or seems “not right,” treat it as urgent. Call an emergency vet immediately (or head in now) if you notice any of the following red-flag symptoms.

Breathing problems or collapse

Go right away for trouble breathing, open-mouth breathing in cats, blue/gray gums or tongue, choking that doesn’t resolve quickly, sudden collapse, or extreme weakness. These can signal life-threatening oxygen or heart issues.

Uncontrolled bleeding or major trauma

Emergency care is needed for bleeding that won’t stop, deep wounds, suspected broken bones, being hit by a car, a fall from height, or any penetrating injury. Even if your pet seems “okay,” internal injuries can be hidden.

Seizures, severe neurologic signs, or sudden pain

Call urgently for a seizure lasting more than a couple minutes, repeated seizures, staggering, head tilt with severe imbalance, sudden paralysis, or intense pain (crying out, rigid abdomen, inability to get comfortable).

Suspected poisoning or toxin exposure

Immediate help is critical if your pet ate medications, recreational drugs, rodent bait, antifreeze, certain plants, chocolate/xylitol, or any unknown substance—or if vomiting, drooling, tremors, or abnormal behavior starts after possible exposure. Bring the package or label if you can.

Bloated abdomen, repeated vomiting, or inability to urinate

Seek emergency care for a rapidly swollen belly, repeated unproductive retching, vomiting with blood, black/tarry stool, or severe diarrhea with weakness. Also treat straining to urinate, crying in the litter box, or producing only drops as an emergency—especially in male cats.

Heatstroke or very high/low body temperature

Heavy panting with distress, bright red or very pale gums, vomiting, collapse, or confusion after heat exposure requires immediate care. Severe hypothermia (very low energy, cold body, shivering that stops) is also an emergency.

For a practical, step-by-step triage checklist and what to do while you’re on the phone, see the full guide: when to call the vet (pet triage guide).

FAQ

What should I do while I’m on the way to the emergency vet?

Keep your pet warm, quiet, and as still as possible, and transport in a carrier or on a flat surface if injury is suspected. Don’t give human medications; call the ER for instructions, especially for poisoning or breathing issues.