Can Dogs Eat Avocado? TOXIC Parts Explained
This article has been reviewed for accuracy by a licensed veterinary professional.
Avocados contain persin, a toxin that can be dangerous to dogs. Learn which parts are most toxic, symptoms of poisoning, and why the pit poses a serious choking hazard.
⚠️ WARNING: Potentially Toxic
Avocados contain persin, a fungicidal toxin that can cause health problems in dogs. The pit also poses a serious choking and obstruction hazard.
The Quick Answer: Risky—Not Recommended
While avocado flesh in small amounts is not immediately deadly to dogs, it's generally not recommended due to multiple risks:
- Persin toxicity from skin, pit, and leaves
- Choking hazard from the large pit
- Intestinal obstruction if pit is swallowed
- High fat content can cause pancreatitis
What is Persin?
Persin is a natural fungicidal compound found in avocado trees. It's present in the leaves (highest), bark, pit/seed, skin, and flesh (lowest).
Toxicity Levels by Part
| Part | Toxicity Level | Risk |
|---|---|---|
| Leaves | 🔴 High | Highest persin concentration |
| Pit/Seed | 🔴 High | Persin + choking/obstruction hazard |
| Skin | 🟠 Moderate | Significant persin + hard to digest |
| Flesh | 🟡 Low | Small amounts usually tolerated |
Symptoms of Avocado Poisoning
Mild Symptoms:
- Vomiting
- Diarrhea
- Stomach discomfort
- Loss of appetite
Severe Symptoms (Vet Emergency):
- Difficulty breathing
- Abdominal swelling/pain
- Unable to poop (obstruction)
- Lethargy, weakness
What to Do If Your Dog Eats Avocado
If they swallowed the pit:
🚨 Contact your vet immediately!
The pit can cause intestinal blockage, which is a life-threatening emergency.
Frequently Asked Questions
Is avocado oil safe for dogs?
Avocado oil contains minimal persin and is generally considered safe in small amounts. However, it's still high in fat.
What about guacamole?
No! Guacamole typically contains onion and garlic, which are toxic to dogs. Never give your dog guacamole.
🩺 Emergency Contacts
- ASPCA Poison Control: (888) 426-4435
- Pet Poison Helpline: (855) 764-7661
Last Updated: December 5, 2025 | Reviewed by the PawPulse Veterinary Editorial Team
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