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Toxic Foods Table

Toxic Foods for Cats and Dogs: An Emergency Response Guide

Medically reviewed by: Adem Fidan, DVM — Chief Veterinarian, Fidan Veterinary Clinic

The most common household poisonings in cats and dogs involve chocolate, grapes and raisins, onion and garlic, xylitol-containing sugar-free products, alcohol and macadamia nuts. Signs include vomiting, drooling, lethargy, tremors, diarrhoea and seizures. With suspected ingestion, never induce vomiting at home; contact the clinic immediately with the amount consumed and the packaging.

Fidan Veterinary Clinic — Toxic Foods Table health guide

Why Some Foods Are Dangerous

Across Gebze, Darıca, Çayırova and Kocaeli, chocolate, grapes and allium vegetables are the leading causes of household poisoning visits to our clinic. Chocolate contains theobromine, causing tremors, tachycardia and seizures, while grapes and raisins can trigger acute kidney injury—even a single grape is taken seriously.

Onion, garlic, leek and shallot belong to the allium group; they affect red blood cells and cause anaemia. Xylitol in sugar-free gum and toothpaste can trigger sudden hypoglycaemia in dogs. Macadamia nuts cause lethargy and tremors in dogs only.

  • Dark, high-cocoa chocolate carries more theobromine
  • Xylitol products can cause hypoglycaemia within 30 minutes
  • There is no dose of grapes or raisins considered safe

First Steps When Poisoning Is Suspected

Remove access if the animal is still eating, and keep any vomit for inspection. Do not attempt to induce vomiting at home, because with sharp or caustic material this can cause further damage. Call the clinic with the packaging, the amount and the time of ingestion.

In the clinic, activated charcoal, emesis or fluid therapy is planned according to dose, body weight and elapsed time. A blood panel assesses liver, kidney and electrolyte status, and some cases require hospitalisation for observation.

Clinical Tools

Use the clinical tools to support home monitoring decisions; the symptom triage tool helps separate urgent from routine signs.

Age CalculatorRabies Titration TimelineMicrochip Readiness CheckSymptom Triage

Related Medical Departments & Clinical Procedures

Toxic foods for cats and dogs and their urgency
FoodSpecies AffectedSignsUrgency
Chocolate / cocoaCat, dogTremors, raised heart rate, vomitingSame day; emergency by dose
Grapes, raisinsDogVomiting, kidney injuryEmergency
Onion, garlic, leekCat, dogLethargy, pale gums, diarrhoeaEmergency
Xylitol productsDogHypoglycaemia, tremors, collapseEmergency
Macadamia nutsDogTremors, hind limb weaknessEmergency
Alcohol, caffeineCat, dogLoss of coordination, drowsinessEmergency
Avocado, raw doughBird, dogBreathing difficulty, bloatingSame-day assessment

Clinical Pathway

  1. Access to the source is stopped and packaging with leftovers is kept.
  2. Species, weight, estimated amount consumed and the time are recorded.
  3. The clinic is called, and a dose assessment is requested even without signs.
  4. Emesis, activated charcoal or observation is applied as advised by the clinician.

Frequently Asked Questions

My cat ate a piece of chocolate; should I panic?

Species, cocoa content and quantity decide the risk. Because the toxic threshold in dogs can start at a few grams, cats are treated with the same caution. Dose assessment should not wait for signs.

Is it right to induce vomiting at home?

No. Emesis is a procedure performed by the clinician within an appropriate time window and by an appropriate method. With sharp or caustic material, inducing vomiting adds oesophageal damage.

Should I still come in if there are no signs yet?

Yes, particularly after xylitol, grape or high-dose chocolate ingestion, because signs can appear hours later. Early intervention markedly improves the chance of a good outcome.

The information on this page is for general guidance and does not replace a physical examination.