Chocolate contains theobromine, which is toxic to dogs. It can cause vomiting, diarrhea, increased heart rate, seizures, and even death.
Grapes and raisins
Grapes and raisins can lead to kidney failure in dogs. Even a small amount can be dangerous and cause symptoms like vomiting, lethargy, and decreased appetite.
Onions and garlic
Onions and garlic contain compounds that can damage a dog's red blood cells, leading to anemia. Symptoms may include weakness, pale gums, and vomiting.
Bones
Cooked bones, especially chicken bones, can splinter and cause obstructions or lacerations in a dog's digestive system. Stick to appropriate chew toys and avoid giving dogs cooked bones.
Medications
Human medications, even in small doses, can be dangerous for dogs. Certain medications, such as NSAIDs and antidepressants, can cause severe toxicity. Always keep medications out of your dog's reach.
Alcohol
Alcohol is extremely toxic to dogs. It can cause intoxication, depression of the central nervous system, difficulty breathing, abnormal acidity, coma, and even death.
Avocado
Avocados contain a substance called persin, which is toxic to dogs. It can cause vomiting, diarrhea, and difficulty breathing. The pit is also a choking hazard.
Macadamia nuts
Macadamia nuts can cause weakness, tremors, vomiting, and an increased body temperature in dogs. They should be avoided at all costs.