How Much Chocolate is Toxic to Dogs? Amounts by Type and Dog Size
This food is NOT safe for dogs. Keep it away from your pet.
The toxic amount of chocolate varies by type and dog size. Dark chocolate and baking chocolate are far more dangerous than milk chocolate.
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Warning Signs & Symptoms
Theobromine toxicity: vomiting, diarrhea, rapid breathing, muscle tremors, seizures, cardiac arrhythmia, death.
If Your Dog Ate This
The ASPCA has a chocolate toxicity calculator available online — but veterinarians recommend calling immediately rather than calculating, as symptoms can appear before the calculated threshold and early treatment is always safer than waiting.
What to Avoid
all chocolate types — theobromine affects dogs at lower amounts than humans
Preparation & Serving
Call vet or ASPCA Poison Control 888-426-4435 immediately. Note chocolate type and estimated amount.
Potential Health Benefits
Carob-based dog treats as a completely safe chocolate alternative
Safer Alternatives
- Call vet or ASPCA Poison Control 888-426-4435 immediately. Note: type of chocolate, estimated amount eaten, and dog's weight.
Did you know?
Theobromine: 20mg per kg causes mild symptoms, 40mg per kg causes severe symptoms — baking chocolate 450mg per 30g, dark 150-200mg per 30g, milk 44-60mg per 30g
Portions & nutrition
- Serving (large dog)
- never
- Calories (per 100g)
- 0
- Safe frequency
- never
Source
What You Need to Know
Theobromine content varies dramatically by chocolate type — from 44mg per 30g in milk chocolate to 450mg per 30g in baking chocolate. Dog size determines the toxic threshold. Any amount warrants vet contact.
Not sure what to do next? Read our emergency guide What to Do If Your Dog Eats Something Toxic
Want to know what other dangers are hiding in your home?
Take the 60-second kitchen safety quiz to find out your dog's risk score.
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