Avocados (entire plant: leaves, fruit, seeds and bark) - contain Persin, which can cause vomiting and diarrhea in dogs, and also trigger difficulty breathing, fluid accumulation in the chest, abdomen and heart, or pancreatitis. It is under debate as to whether or not the actual meat and oils are poisonous to dogs, with no scientific conclusions at this time. Note that avocado meat and oils are used in some dog products and foods.
Symptoms: problems breathing (loss of breath, wheezing), vomiting, diarrhea, nasal congestion, fluid accumulation in the dog heart and chest area.
Possible Outcomes: pancreatitis, oxygen deprivation leading to death.
Action: Take your pet to your vet or emergency clinic. The vet may start by inducing vomiting, or the stomach might be pumped (gastric lavage). Treatment involves aggressive supportive care including fluid therapy and medications
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