Can dogs eat chocolate? What to do if your dog ate some

Short answer: no, dogs can't have chocolate — and this isn't the "sweets aren't good for kids" kind of no. It's genuine toxicity. But how dangerous it is right now depends on your dog's weight, the type of chocolate, and how much they ate.

If your dog just ate chocolate: grab the packaging, estimate how much and what kind, and call your vet or a 24-hour clinic right away. Don't wait for symptoms — a reaction can take 6–12 hours to develop, and treatment works best within the first hour.

Why chocolate is toxic

Chocolate contains theobromine and caffeine — both methylxanthines. In people they're metabolized within a few hours; in dogs the process is far slower (half-life around 17.5 hours). So even a moderate dose builds up and keeps acting on the heart, nervous system, and urinary tract for a long time.

The darker the chocolate, the more theobromine it holds, and the smaller the portion that becomes dangerous:

What dose is dangerous

• Mild symptoms (vomiting, diarrhea, restlessness) — from about 20 mg of theobromine per kg of the dog's body weight.
• Serious toxicity (rapid heartbeat, tremors) — from 40–50 mg/kg.
• Life-threatening (seizures, arrhythmia, risk of death) — 60 mg/kg and above.

For a 30 kg Labrador: 40 mg/kg × 30 = 1200 mg of theobromine. That's roughly 170 g of dark chocolate or 600 g of milk chocolate. For a 3 kg Yorkie the same 40 mg/kg = 120 mg, meaning ~17 g of dark chocolate or about 60 g of milk chocolate — a standard bar.

In other words: for a large dog a single candy is almost never a problem. For a small one it can be critical.

The "when it's already urgent" table

This is a guide for "when you definitely need to call." It's worth calling your vet at a suspected exposure even for smaller amounts — especially if the chocolate is dark or your dog already feels unwell.

Symptoms of chocolate poisoning

They usually appear within 6–12 hours and can last 2–3 days:

• Early: restlessness, increased thirst and urination, vomiting, diarrhea.
• Middle: rapid heartbeat, muscle tremors, heightened excitability.
• Severe: seizures, heart rhythm disturbances, coma.

If symptoms have appeared, this is already an emergency — take your dog to the vet immediately.

What to do if your dog ate chocolate

1. Clear away the leftovers.
2. Collect the packaging or photograph the product.
3. Estimate how much and when — the exact amount, the exact time.
4. Call your vet. Only induce vomiting at home on a vet's instruction.
5. If a lot was eaten or the dog is small, head to the clinic without waiting for symptoms. Within the first hour the vet can induce vomiting and give activated charcoal.

What NOT to do

• Don't wait for symptoms hoping it'll pass. Theobromine clears slowly.
• Don't give milk or bread "to soak it up" — it doesn't work.
• Don't induce vomiting on your own without a vet's instruction.
• Don't give human "anti-poisoning" medications.

What about white chocolate?

White chocolate has almost no theobromine, so acute poisoning is unlikely. But it's high in fat and sugar — in dogs prone to pancreatitis, even a small portion can trigger a flare-up. So the answer is still "better not."