Suspect poisoning? US: ASPCA Poison Control (888) 426-4435 · UK: 01202 509 000 · Severe symptoms → nearest emergency vet now.

Smoke Inhalation in Dogs and Cats

Breathing in smoke from a fire can quickly damage a pet’s lungs and cause severe distress.

Last reviewed: 2026-09-05 · Reference ranges: ASPCA, Pet Poison Helpline & Merck Veterinary Manual

Treat this as a potential emergency — not a "wait and see" situation.
Contact your vet before symptoms even appear.

US: ASPCA Animal Poison Control (888) 426-4435 · Pet Poison Helpline (855) 764-7661

UK: Veterinary Poisons Information Service 01202 509 000

Why smoke is dangerous for pets

Smoke contains carbon monoxide and irritant chemicals that bind to hemoglobin and inflame the airways.

Pets often stay low to the ground where smoke accumulates, and they may be hidden under furniture, so owners miss the exposure.

The resulting hypoxia and lung edema can become fatal within hours if untreated.

Why speed matters

Delaying care significantly worsens outcomes. Some signs appear hours or days later, so "looks fine right now" is not a reason to wait.

Symptoms of smoke-inhalation poisoning

  • Coughing and gagging within minutes of exposure
  • Rapid, shallow breathing and open-mouth panting by the hour
  • Red or watery eyes and nasal discharge appearing quickly
  • Disorientation, stumbling or loss of balance as oxygen levels drop
  • Collapse or seizures if the inhalation was severe

What to do right now

  1. Call your vet or the nearest emergency clinic right away
  2. Move the pet to fresh, clean air away from the smoke source
  3. Keep the animal warm but avoid overheating; cover with a damp towel if the skin looks hot
  4. Monitor breathing; if the pet stops breathing, begin rescue breaths and be ready to transport
  5. Do not give anything by mouth; do not induce vomiting because the airway is already irritated
If your pet shows any of the signs above, go to the nearest emergency vet now and call ahead.

Sources & further reading

  • ASPCA Animal Poison Control — pet poison database & dosage references
  • Pet Poison Helpline — toxicology triage guidelines
  • Merck Veterinary Manual — toxicology monographs
  • Vets Now (UK) — emergency toxicosis guidance

Other poisonings with overlapping signs

Owners also ask

Frequently asked questions

Is Smoke Inhalation in Dogs and Cats poisonous to a dog or cat?

Smoke contains carbon monoxide and irritant chemicals that bind to hemoglobin and inflame the airways.

What are the symptoms of smoke-inhalation poisoning?

Coughing and gagging within minutes of exposure; Rapid, shallow breathing and open-mouth panting by the hour; Red or watery eyes and nasal discharge appearing quickly; Disorientation, stumbling or loss of balance as oxygen levels drop

What should I do if my pet ate Smoke Inhalation in Dogs and Cats?

Call your vet or the nearest emergency clinic right away Move the pet to fresh, clean air away from the smoke source Keep the animal warm but avoid overheating; cover with a damp towel if the skin looks hot

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