No, dogs should never eat chocolatesafely or otherwise. Chocolate contains theobromine and caffeine, two stimulants dogs cant metabolize efficiently. Even small amounts can lead to vomiting, diarrhea, rapid heart rate, seizures, or even death. The darker the chocolate...
Cocoa, cooking chocolate, and dark chocolate contain the highest levels, while milk and white chocolate have the lowest. The higher the level of theobromine in a cocoa product, the less it takes to poison a dog.
No, dogs cant eat chocolate. Although not all canines are as susceptible to becoming ill from eating chocolate, it isnt good for any dog. Feeding your dog some of your Easter egg as a treat will probably have the opposite effect that you intend, and can result in some hefty vet bills.

Dark chocolate contains caffeine, but can dogs eat dark chocolate?How to safely give dark chocolate to dogs? I must stress that giving dogs any kind of chocolate, including dark chocolate, is not safe.
Dark chocolate and baking chocolate are especially toxic due to their higher theobromine content. Q: What are the long-term effects of dogs eating candy? A: Regular consumption of sugary or toxic foods can lead to obesity, diabetes, dental problems, and even organ damage.

The symptoms of chocolate poisoning in dogs are based upon the amount of chocolate eaten, the type of chocolate, and the time since it was ingested. The most common sign after your dogs eat chocolate are gastro-intestinal, meaning stomach upset, bloating, vomiting and diarrhea.