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My 10 kg dog licked up a dried, sticky spill of isopropyl alcohol hand sanitizer that was on the floor for days — could this still poison him?

Dogs · Emergency guide

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

Short answer

Yes, it's still a risk. Isopropyl alcohol doesn't just evaporate completely; a concentrated residue can remain and be licked up. Even a small amount can depress the nervous system, leading to vomiting, unsteadiness, and lethargy. Watch your dog closely for any wobbliness, excessive drooling, or unusual tiredness over the next few hours. If you see any of these signs, call your vet right away and describe what he licked. Keep him warm and comfortable, and do not try to induce vomiting unless your vet specifically instructs you to.

How isopropyl alcohol harms pets

Isopropyl alcohol depresses the central nervous system and irritates the gastrointestinal tract.

It is metabolized to acetone, which can cause metabolic acidosis.

Dogs often knock over bottles or lick spills, leading to rapid ingestion.

Cats may be exposed through grooming of treated surfaces or direct contact.

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.

Signs to watch for

  • Vomiting and diarrhoea within 30 minutes to 2 hours
  • Unsteadiness, stumbling, or incoordination (ataxia)
  • Lethargy progressing to depression or coma
  • Rapid breathing followed by slow, shallow breaths
  • Low body temperature (hypothermia)
  • Seizures in severe cases

What to do right now

  1. Call your vet or a poison control line immediately.
  2. Do not induce vomiting unless instructed by a veterinarian.
  3. Bring the container or label to help identify concentration.
  4. Keep the pet warm and monitor breathing.
  5. Expect possible hospitalization for IV fluids and supportive care.
If your pet shows any of the signs above, go to the nearest emergency vet now and call ahead.

The step-by-step response, from the first minute to the vet visit, is in our Isopropyl Alcohol Poisoning: Emergency Guide emergency guide.

Open the full emergency guide: Isopropyl Alcohol Poisoning: Emergency Guide →