Dogs can eat pistachios, but it is generally not recommended due to several health risks. Pistachios are not toxic to dogs, but they have a high fat and salt content that can cause gastrointestinal upset, pancreatitis, and obesity if consumed in large quantities. Additionally, pistachio shells pose a choking hazard and can cause intestinal blockages. Some pistachios may also contain mold producing aflatoxins that are harmful to dogs. If pistachios are given, they should be unsalted, shelled, served in small quantities, and only occasionally as a treat. If a dog shows any signs of digestive distress or lethargy after eating pistachios, veterinary help should be sought immediately.

Risks of Feeding Pistachios to Dogs

• High fat content can lead to pancreatitis and obesity.
• Salted pistachios can cause salt toxicity.
• Pistachio shells are choking hazards and can cause blockages.
• Possible exposure to mold toxins (aflatoxins) that are harmful.

Safe Feeding Recommendations

• Only feed plain, unsalted pistachios.
• Remove all shells completely.
• Limit the quantity based on the dog's size (e.g., 1-6 pistachios depending on size).
• Monitor for symptoms like vomiting, diarrhea, lethargy, or abdominal pain.

Symptoms of Pistachio-Related Issues

• Vomiting, diarrhea, loss of appetite.
• Abdominal pain or swelling.
• Lethargy and weakness.
• Signs of choking such as pawing at the mouth and coughing.

Overall, pistachios are best avoided or given with caution and veterinary guidance due to potential health hazards despite being non-toxic in small amounts.