Chocolate contains theobromine and caffeine, both of which are toxic to dogs. Dark chocolate is especially dangerous and can cause vomiting, seizures, and even death.
Even small amounts of grapes or raisins can cause sudden kidney failure in dogs. The toxic substance is still unknown, but the effects can be severe.
These contain compounds that can damage a dog's red blood cells, leading to anemia. Cooked, raw, or powdered forms are all harmful.
Avocados contain a toxin called persin, which can cause vomiting and diarrhea in dogs. The pit also poses a serious choking hazard.
Found in sugar-free gum, candy, and some peanut butters, xylitol can cause a rapid drop in blood sugar and liver failure in dogs.
Even small amounts of alcohol can be very dangerous to dogs. It can lead to vomiting, difficulty breathing, tremors, and potentially coma or death.
Cooked bones can easily splinter and cause choking, blockages, or tears in a dog’s digestive tract. Raw bones are safer but should still be given with caution.