If a dog ingests theobromine they may develop vomiting, diarrhea, hyperactivity, tremors, seizures, increased heart rate, arrhythmias (abnormal heart beats) or even death. The effects can develop within hours and can last for several days.
How long after eating chocolate does it affect a dog?
Chocolate is toxic to dogs and could cause a medical emergency. Signs of chocolate poisoning usually appear within 6 to 12 hours.
Can dogs have a delayed reaction to chocolate?
In the majority of cases, the symptoms occur within a few hours, but it has been known to be delayed for as long as 24 hours. It can take as long as three days for the dog to recover completely.
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