What to Do If Your Dog Eats Chocolate (Step by Step)
· Pet Parents HQ
Do this now
1. Take the chocolate away and check what’s left, including wrappers and foil.
2. Work out three things: your dog’s weight, the type of chocolate (milk, dark, baking, cocoa powder, white), and roughly how much is gone. Keep the packaging — the cocoa percentage is on it.
3. Call a professional. Your vet, your nearest emergency clinic, or:
- ASPCA Animal Poison Control: (888) 426-4435
- Pet Poison Helpline: (855) 764-7661
Both operate 24/7. There’s typically a consultation fee for the hotlines; it’s a fraction of an emergency visit and they will tell you honestly whether you need one.
4. While you wait, note the time it happened. The one- to two-hour window is what determines whether decontamination is still an option.
You can run the numbers yourself with the chocolate toxicity calculator — it gives the theobromine dose in mg/kg and the risk band, which is exactly the figure the vet will ask about. Use it to inform the call, not to replace it.
Please don’t try home remedies
Searching for home fixes is understandable and it’s where most people land first. Here’s why the common ones are a bad idea:
Hydrogen peroxide. It’s what vets sometimes use to induce vomiting — but at a specific concentration and dose, in appropriate cases. Given wrongly it causes severe stomach ulceration and aspiration pneumonia. Some clinics will talk you through it over the phone if you’re far from help; that’s a decision for them, not for a web page.
Salt or mustard. Salt can cause its own life-threatening sodium toxicity. Mustard doesn’t reliably work.
Milk or bread “to absorb it”. No meaningful effect on absorption; delays real treatment.
Making the dog exercise. Increases heart rate — the opposite of what an over-stimulated cardiovascular system needs.
“Waiting to see if symptoms appear.” The most common and most costly choice. By the time symptoms show, the theobromine is already absorbed and the easy fix has passed. See the symptom timeline for why the calm first two hours are misleading.
What treatment actually looks like
If you get there within about two hours, the vet will typically induce vomiting — safely, with the right drug — and most dogs go home the same visit with nothing further needed. They may follow with activated charcoal to bind whatever’s already moved on.
For higher doses or later presentations: IV fluids to speed elimination, medication to control heart rate and tremors, anti-nausea drugs, and monitoring for up to 24–72 hours because theobromine leaves a dog’s system so slowly.
The prognosis for dogs treated promptly is excellent. The overwhelming majority of chocolate cases end as an expensive fright rather than a tragedy — and the difference is almost always how quickly someone picked up the phone.
After it’s over
Once your dog is in the clear, do the boring prevention work: chocolate on high shelves (baking chocolate especially — it’s the most concentrated form by a wide margin), bins with locking lids, and a family rule about advent calendars and Easter eggs at dog height. Holiday weeks are when nearly all of these calls happen.
Also worth saving into your phone right now, before you need it: your vet’s after-hours number and the poison-control lines above. Two minutes today, potentially crucial at midnight some future December.