Sierra Canine: Professional Dog Training

Foods & Plants Toxic to Dogs

Listed below are some of the most common foods, drinks and plants that are dangerous and or toxic to dogs. These are the most common plants, but there are many more. If you think that your dog has consumed one of these items and you are concerned, contact your veterinarian or the ASPCA Animal Poison Control Center at 1-888-426-4435.


  • Chocolate – Stimulates the nervous system and the heart.
    Possible effects of  poisoning: Vomiting, increased thirst, restlessness, increased or irregular heartbeat, tremors and seizures.
  • Grapes & Raisins – Damages the kidneys.
    Possible effects of poisoning: Increased thirst, increased urination, lethargy and vomiting.
  • Garlic & Onions – Damages red blood cells causing anemia.
    Possible effects of poisoning: Vomiting, red colored urine, weakness and anemia.
  • Xylitol (found in sugarless gum) – Causes increased insulin secretion, resulting in lower blood sugar levels.
    Possible effects of poisoning: Vomiting, lethargy, lack of coordination, seizures, jaundice and diarrhea.
  • Alcoholic Drinks – Depresses the nervous system.
    Possible effects of poisoning: Vomiting, disorientation, diarrhea, lethargy, difficulty breathing, tremors, coma and seizures.
  • Raw yeast, bread dough – Forms gas in the digestive track; fermentation of yeast causes alcohol poisoning.
    Possible effects of poisoning: Distention of abdomen, vomiting, disorientation, diarrhea, lethargy, lack of coordination, difficulty breathing, tremors, coma and seizures.
  • Macadamia Nuts – Cause muscle and nervous system problems.
    Possible effects of poisoning: Vomiting, lethargy, weakness, increased body temperature and tremors.
  • Avocados – Contain persin, which damages the heart muscle.
    Possible effects of poisoning: Vomiting and diarrhea.


  • Alocasia (Elephant’s Ear)
    Clinical Signs: Oral irritation, intense burning of the mouth and tongue.
  • Aloe Vera
    Clinical Signs: Vomiting, depression, diarrhea, anorexia, tremors and change in urine color.
  • Lilies
    Clinical Signs: Severe kidney damage
  • Sago Palm
    Clinical Signs: Seeds or “nuts” contain the largest amount of toxin. Ingestion can result in vomiting, diarrhea, seizures and liver failure.
  • Tulip
    Clinical Signs: Bulb portions contain toxins that can cause intense gastrointestinal irritation, drooling, loss of appetite and cardiac abnormalities.
  • Azalea
    Clinical Signs: vomiting, drooling and diarrhea.
  • Oleander
    Clinical Signs: gastrointestinal tract irritation, abnormal heart function.
  • Castor Bean
    Clinical Signs: Severe abdominal pain, drooling, vomiting, diarrhea and excessive thirst.
  • Cyclamen
    Clinical Signs: The root portion of the plant is highly toxic. Significant gastrointestinal irritation and intense vomiting.
  • Kalanchoe
    Clinical Signs: gastrointestinal irritation and can cause erratic heart rhythm and rate.
  • Yew
    Clinical Signs: Causes central nervous system effects such as trembling, in-coordination and difficulty breathing.
  • Amarylls
    Clinical Signs: Vomiting, diarrhea, abdominal pain and hyper salivation.
  • Autumn Crocus
    Clinical Signs: Oral irritation, bloody vomiting, diarrhea, shock and multi-organ damage.
  • Chrysanthemum
    Clinical Signs: Gastrointestinal upset, including drooling, vomiting and diarrhea.
  • English Ivy
    Clinical Signs: Vomiting, abdominal pain, hyper salivation and diarrhea.
  • Peace Lily
    Clinical Signs: Excessive drooling, vomiting, intense burning and irritation of the mouth, lips and tongue.
  • Pathos
    Clinical Signs: Irritation and swelling of the oral tissues and other parts of the gastrointestinal tract.
  • Schefflera
    Clinical Signs: Oral irritation, excessive drooling, vomiting and intense burning of the mouth.

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