What will happen if dogs eat human food? Why can’t they eat human food?

Jul 26,2025
3Min

Dogs eating human food will lead to excessive fat intake

One of the reasons why dogs cannot eat leftovers is that the large amount of fat in leftovers will block the dog’s blood vessels. ——Don’t underestimate the dog’s digestive ability, but it is precisely the strong digestive ability that allows dogs to absorb unnecessary oils, making their small blood vessels overwhelmed.


Dogs eating human food will lead to excessive salt intake

Leftovers often contain too much salt, while dogs’ demand for salt is low (1/5 of humans). It should be relatively light. Excessive intake of salt will have an adverse effect on the dog's health, and it is prone to diseases such as overeating, diarrhea, hair loss, and nephritis. Moreover, high-salt leftovers can cause itching and hair loss if fed to dogs for a long time, which is even more troublesome.


Dogs eating human food can easily cause enteritis

Dogs will not chew slowly when eating, especially hungry dogs. If the food goes bad, they will eat it all without hesitation. Dogs are prone to eating leftovers at night. Especially in summer, food can easily go bad. If dogs eat spoiled food, they will suffer from gastroenteritis, food poisoning, and even death.

Eating human food is bad for dog’s dental health

Hard dog food is good for dog’s teeth, while leftovers are very soft, and it is impossible for dogs to have any effect on their teeth while eating. The purpose is to rub the surface of the teeth, and a large amount of food residue will remain on the surface of the dog's teeth, forming tartar and endangering the health of the teeth.


Dogs eating human food will irritate their gastrointestinal tract

In addition, many condiments in human food are harmful to dogs, such as mustard, pepper, chili and other spicy condiments that can irritate dogs. gastrointestinal tract, causing loss of appetite in dogs. Especially onions in human meals are extremely poisonous to dogs!


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