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Onion & Garlic Toxicity Calculator

Enter a species, weight and how much onion-family food was eaten to get an approximate dose per kg and a risk level, with clear guidance on next steps. All processing runs locally in your browser. Your data is not uploaded to any server. 100% Local

Not veterinary advice. In an emergency call your vet or a pet poison helpline now. Do not try to make your pet vomit yourself unless a veterinarian tells you to. Onion and garlic damage red blood cells, and signs can take a few days to appear.

How to Use the Onion & Garlic Toxicity Calculator

Choose the species, enter your pet's weight and pick the allium that was eaten, then add the amount in grams and press Check Risk. The result shows the estimated dose in grams per kg against approximate thresholds. Cats are more sensitive, so their thresholds are halved.

Why alliums are a problem

Features

Not veterinary advice. Thresholds are approximate and depend on the form and concentration of the food. If your pet ate onion or garlic, contact your veterinarian or a pet poison helpline promptly.

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