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

My 30 kg dog ate a pea-sized blob of pet toothpaste 12 hours ago, got treated, and is home now. What should I look for?

Dogs · Emergency guide

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

Short answer

Your dog needs close monitoring for at least 48 hours, as xylitol's liver effects can be delayed. Watch for any return of weakness, stumbling, or a loss of appetite. Check his gums once a day—jaundice looks like a faint yellow tint, not the normal pink. Your vet likely ran blood work; ask them for the specific follow-up window based on those results. Keep him quiet and hydrated, and call your vet or the ASPCA poison line (888-426-4435) immediately if he seems off.

The 48-hour window after vet treatment

Even though your dog received care, xylitol's delayed effects mean vigilance is key. The first day home often seems normal—don’t let that fool you. Subtle changes like less interest in dinner or slightly slower movements can signal trouble brewing. Keep a notepad by his bed to jot down anything unusual, even if it seems minor at the time.

Blood sugar crashes usually happen within 12 hours, but liver strain appears later. If he turns away from favorite treats or seems unusually tired after short walks, call your vet immediately. These signs can emerge gradually, so compare his energy levels to his pre-treatment baseline, not just yesterday’s behavior.

Checking gums for hidden jaundice

Jaundice develops slowly, making daily gum checks crucial. Lift his lip in natural daylight—fluorescent lights can mask the yellow tint. Press gently on the gum above a canine tooth, release, and watch for color returning. Healthy gums snap back to pink; a buttery hue means trouble.

Don’t rely on the whites of his eyes alone—early liver issues often show in gums first. If you’re unsure, take a photo daily at the same time and compare them side by side. Digital cameras sometimes capture faint discoloration before your eyes detect it.

Post-treatment appetite changes

A treated dog might eat normally at first, then lose interest. Offer small portions of his usual food every 4-6 hours rather than leaving a full bowl out. Measure the amounts—eating 75% of normal is acceptable, but less than 50% for two consecutive meals warrants a vet callback.

Watch for subtle chewing changes too. Dropping kibble or tilting his head while eating could indicate nausea rather than refusal. Try hand-feeding a few pieces—if he takes them eagerly but won’t approach the bowl, that’s valuable information for your vet.

When to restart normal activities

Keep walks short and leashed for the first three days, even if he seems energetic. Liver strain affects stamina—what looks like excitement might lead to sudden collapse. Note respiratory rate after light activity; panting is normal, but labored breathing isn’t.

Skip baths, grooming appointments, or anything stressful during this window. Increased cortisol from anxiety can complicate recovery. Resume normal routines only after your vet confirms his liver enzymes are stable, usually around day five.

The step-by-step response, from the first minute to the vet visit, is in our Pet Dental Gels and Toothpaste Poisoning emergency guide.

Open the full emergency guide: Pet Dental Gels and Toothpaste Poisoning →