Most dog moms and dads have likely heard from one source or another that chocolate is not good for their canine companions. The reason for this is a chemical called theobromine, which acts as a stimulant similar to caffeine.
In people, it has been medically used as a vasodilator (a blood vessel widener), a diuretic (urination aid), and heart stimulant.(source) In dogs, it is a poison, and depending on the amount consumed, can be fatal. Dogs and cats metabolize this chemical too slowly and thus are susceptible to theobromine poisoning. (*It is interesting to note that this is also the case with some human medicines as well, like acetaminophen. Cats are so sensitive to the adverse effects of acetaminophen that just one, regular strength tablet can result in death. (source)
Theobromide mainly affects the heart, central nervous system and kidneys. Symptoms will occur from 4-24 hours after your dog has eaten chocolate and will vary depending on the amount of chocolate (theobromine) your dog has eaten. (source)
If your dog has eaten chocolate, you may see:
Vomiting (may include blood)
Diarrhea
Restlessness and hyperactivity
Rapid breathing
Muscle tension, incoordination
Increased heart rate
Seizures
As a general rule, darker chocolate contains more of the chemical than milk or white chocolates, and cocoa powder contains. Cats may also be at risk for theobromine poisoning, but are less likely to be tempted to eat sweet things like chocolate, due to their lack of sweet taste receptors. (source)
If you have reason to believe your dog has eaten chocolate, contact your vet immediately. Treatments may vary depending on what symptoms your dog is exhibiting. As with our human children, better safe than sorry!
Kelly- ABCDT
Chocolate Lab
Chocolate Not-Lab
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