All forms of chocolate, especially dark and unsweetened chocolate, contains theobromine & caffeine, which can be poisonous to dogs & cats.
Chocolate
Even small amounts can lead to kidney failure in dogs, so never feed them grapes or raisins.
Grapes & Raisins
These can damage a pet's red blood cells and cause anemia, so avoid feeding them table scraps containing these ingredients.
Onion & Garlic
A sugar substitute often found in sugar-free gum and some peanut butter, xylitol is extremely toxic to dogs and can cause rapid insulin release, leading to seizures and organ failure.
Xylitol
Alcohol consumption can lead to intoxication, coma, and even death in pets. Ensure alcoholic beverages are kept out of reach.
Alcohol
These nuts can cause weakness, tremors, and hyperthermia in dogs, so avoid sharing them.
Macadamia Nuts
The pit, skin, and leaves of avocados contain persin, which can be toxic to birds, rabbits, and some other animals.
Avocado
Cooked bones can splinter and cause choking hazards, digestive blockages, or injury to a pet's mouth and throat.
Bones
The yeast in raw bread dough can expand in a pet's stomach, causing bloating and potentially dangerous alcohol production.
Raw Dough
Caffeinated beverages like coffee, tea, and energy drinks should be kept away from pets as caffeine can cause rapid heart rate, tremors, and seizures.