You may share your backyard and even your bed, but it's probably best to avoid sharing a meal with man's best friend, or any other pet for that matter.
Listed here, from most (1) to least (4) dangerous, are common foods and drinks that make pets sick. If you think your dog, cat, or bird has consumed one of these items and you are concerned, contact your veterinarian or the ASPCA Animal Poison Control Center (888-426-4435).
Why: Stimulates the nervous system and the heart. Poisonous to: All species, but dogs are most likely to eat dangerous quantities. Possible effects of poisoning: Vomiting, increased thirst, restlessness, agitation, increased or irregular heartbeat, increased body temperature, tremors, seizures.
Related: Solutions to Common Pet Problems
3. Garlic, Onions
Why: Damage red blood cells, causing anemia. Poisonous to: Cats, dogs. Possible effects of poisoning: Vomiting, red-colored urine, weakness, anemia.
4. Xylitol (Found in sugarless gum.)
Why: Causes increased insulin secretion, resulting in lower blood sugar levels. Poisonous to: Dogs. Possible effects of poisoning: Vomiting, lethargy, lack of coordination, seizures, jaundice, diarrhea.
Keep Reading: More Things Your Pet Shouldn't Eat