Can Dogs Eat Sandwiches?

Sandwiches are a favorite for every food lover.

They are sweet, and you can choose from a variety depending on your taste and preference—the sandwich filling ranges from vegetables to meat to fruits.

When you make sandwiches at home, you may want to give some to your dog.

However, you are cautious because you can’t afford to get him sick with unhealthy food.

So, can dogs eat sandwiches?

Yes, dogs can have sandwiches, but it depends on the kind of fillings making it.

Some fillings like onions, mushrooms, high-fat foods, and high sugar foods are not suitable for dogs.

Healthy foods such as chicken, bananas, and cucumbers make a fit sandwich for canines.

This article will look into healthy foods to use as fillings, unhealthy foods, and the risks of sandwiches to dogs.

Can Dogs Eat Sandwiches

Sandwich fillings that are healthy for dogs

There are healthy foods that are best to use as fillings.

They include:


Chicken is a great source of lean protein and vitamin B6.

It also contains phosphorus, niacin, and selenium — all of which contribute to dogs’ health.


Broccoli contains vitamin C, which helps promote healthy skin and coat; vitamin A, which supports eye health; and calcium, which contributes to strong bones.


Cheese is a great source of protein and calcium, which supports strong bones and teeth.

In addition, cheese is high in B vitamins that help keep the immune system strong and build muscle mass.


Bananas are loaded with potassium and other minerals essential for overall health, especially heart function and blood pressure regulation.

It also contains fiber that is important for digestion.


Cucumbers are a great source of vitamins A, C, and K.

They also contain vitamins B3, B6, folic acid, and calcium.

The benefits to your dog include keeping his skin healthy and nourishing his bones and joints.


Spinach is an excellent source of iron, potassium, and magnesium.

It also contains vitamins A, C, E and K.

It helps maintain healthy teeth and gums and promotes healthy blood circulation in the body.


Mangoes are high in vitamins A and C, which help keep your dog’s immune system healthy.

They also contain potassium which supports kidney function and helps with digestion.

Mangoes can be mixed with other fruits or vegetables to create a tasty treat for your pet.


Eggs are a great source of protein for your dog, and they’re also packed with vitamins and minerals.

Eggs are low in carbohydrates and fats, making them an excellent choice for dogs who need to lose weight.

Eggs are also rich in choline, important for brain development and heart health.


Fish is a healthy food option for dogs because it contains plenty of protein and fatty acids that help reduce inflammation in the body.

Some fish like salmon and trout also contain vitamin D, which can help support strong bones in dogs. 

Sandwich fillings that are unhealthy for dogs

Some sandwich fillings can be harmful to your dog.

Here is a list of some of the dangerous foods that you shouldn’t give to your dog.


Tomatoes are members of the nightshade family and contain a substance called tomatine which can cause vomiting and diarrhea.

They may also cause kidney damage if eaten regularly over an extended period.


Grapes contain a toxic compound called furanocoumarin which can cause severe kidney damage if consumed in large quantities.


Onions contain the same toxic compound found in grapes and can also cause severe kidney damage if eaten in large quantities over an extended time.


Mushrooms are members of the nightshade family and contain a toxin called agaritine which can cause liver damage if consumed regularly.


Avocado contains persin, which can lead to allergic reactions such as skin irritation, vomiting, diarrhea, and even death in some cases if consumed regularly.

Risks of sandwiches to dogs


Sandwich bread may contain too many carbohydrates.

Dogs who eat many carbs are more likely to experience constipation than dogs who eat a high-
protein, high-fiber diet.

High-starch foods like sandwiches can be difficult for dogs to digest and absorb.

Therefore, they take longer to break down in the dog’s body and may contribute to constipation.

Urinary tract infections

Urinary tract infections may be more common in dogs on high-carbohydrate diets like sandwiches.

Carbohydrates convert to sugar, which creates an acidic environment in the urinary tract making it
easier for bacteria to thrive.


Diets high in carbohydrates increase insulin levels in dogs, which can cause diabetes mellitus type
2 (DM2).

DM2 is a condition in which the pancreas does not produce enough insulin or does not utilize it

It leads to an increased blood glucose level (hyperglycemia), which is toxic to dogs’ hearts,
kidneys, and nerves. 

Wheat Allergies

If your dog is allergic to wheat or gluten, he may suffer from itching, redness, hair loss, ear
infections, digestive problems, etc.

If you suspect your dog has a wheat allergy, talk to your vet about testing options.

Tooth decay

The high starch content of bread in sandwiches turns into sugar when it breaks down in the mouth,
which causes bacteria to thrive on it.

The bacteria then produce acids that eat away at the enamel on your dog’s teeth leading to tooth
decay and loss of teeth.

Weight gain

Sandwich bread is high in starch and carbohydrates, which can cause weight gain if your dog eats
too much.

Obesity is a serious problem for dogs because it puts them at risk for heart disease, diabetes,
arthritis, and other health problems. 


There you have the answer on whether dogs should eat sandwiches.

When you make some sandwich for breakfast, don’t leave out your pup as long as the fillings are fit for him.

If you are feeding sandwiches to your canine for the first time, give a small portion and observe any allergic reactions.

When the symptoms show, discontinue giving sandwiches any and settle for other healthy treats.

Consult your veterinarian if symptoms persist.

Megan Turner

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