© Shutterstock

Weimaraner -

To start, certain breeds aren't suitable for families with small children. The bright-eyed Weimaraner is one of them. Bred to hunt, these big dogs are known to play rough with their humans, which could be dangerous for kids under the age of 13.

© Shutterstock 

Chihuahua -

Due to their tiny size, many people assume that Chihuahuas are a fit for families with small kids, but that's not really the case. As they rely on their mouths to protect themselves, they react by barking, and sometimes biting. Also, many Chihuahuas like their personal space, which children don't really understand.

© Shutterstock 

Akita -

Bred for years to be guard dogs, the Akita's natural instincts can be hard to wean out and may pose a problem on occasions when children are present.

© Shutterstock 

Siberian Husky -

This highly active breed can be hard to play with for kids, as accidents are known to happen. Also, they're not suitable for people who don't have an active, outdoorsy lifestyle.

© Shutterstock 

Pekingese -

Like Chihuahuas, a Pekingese is a small dog breed with a big personality. This means that they won't react well to poking and tail-pulling, which is common with kids.

© Shutterstock

Shih Tzu -

This breed loves to get under your feet, tripping up adults as well as children, which could harm both humans and the dog.

© Shutterstock 

Alaskan Malamute -

This breed looks very similar to Siberian Huskies, but they're bigger. They may pull, jump, and strain on walks, which can be dangerous if a child is holding the leash.

© Shutterstock 

Australian Shepherd -

Herders by nature, this breed can be hard to train, which means they can be tough on a busy household with children. They also need a lot of exercise and personal attention.

© Shutterstock 

Bullmastiff -

These giant dogs are sweet-tempered and friendly, but their size can be an issue when playing with small children. If you're considering this breed, then it's best to wait for your kids to get bigger first.

© Shutterstock 

Chow Chow -

Chow Chows look like big, inviting teddy bears, but they're not the most cuddly of dogs. Hugs are usually not so welcome, which can confuse kids.

© Shutterstock 

Belgian Malinois -

Bred almost exclusively for protection work, the Belgian Malinois' intensity and aggressive tendencies make it a very poor choice for a pet, especially in a household with children.

© Shutterstock 

Korean Jindo -

The beautiful Korean Jindo were originally used as hunting dogs. They're also very independent, and not the social doggos many owners wish them to be.

© Shutterstock 

Greyhound -

These dogs are giant lounge lizards, preferring a calm environment to constant excitement. Too much sound, which is common in homes with kids, can lead these dogs to experience stress and anxiety.

© Shutterstock 

Rottweiler -

Rottweilers are protective guard dog types. This means they can have difficulty distinguishing innocent child's play from a home invasion.

© Shutterstock 

Border Collie -

Then there are the breeds that are highly active and unsuitable for small living spaces. The highly intelligent Border Collie falls in this category. They need running agility courses or to work on competitive obedience to be happy, which takes up a lot of time.

© Shutterstock 

Patterdale Terrier -

Although small, the Patterdale Terrier is an intense dog. Bred almost exclusively for work, they can become a major liability if they're not properly trained.

© Shutterstock 

Rhodesian Ridgeback -

The large and powerful Rhodesian Ridgeback might be affectionate with their owners, but they can be wary of strangers. They also need a lot of stimulation and activity, so keep that in mind.

© Shutterstock 

Dalmatian -

Strong and excitable dogs, this beautiful breed needs a lot of activity and training to remain mannered houseguests. And this takes time and dedication from the owner.

© Shutterstock 

Dutch Shepherd -

Certain breeds also need a lot of dedication and training. Popularly trained for the police and military, the Dutch Shepherd will become destructive if left under-stimulated.

© Shutterstock 

Australian Cattle Dog -

A herding breed used for keeping cattle under control, this temperamental dog can be very difficult for inexperienced dog owners to handle.

© Shutterstock 

Airedale Terrier -

The largest of the terriers, this breed has been used as both a hunting and working dog. Often deemed stubborn, this is another difficult doggo for the novice owner.

© Shutterstock 

Schipperke -

Don't let their size fool you: Schipperkes are tenacious and headstrong, making them sometimes difficult to train.

© Shutterstock 

Catahoula Leopard Dog -

Originally bred to hunt, these large, powerful, and independent dogs need an experienced owner to control them.

© Shutterstock 

Great Dane -

Then there are certain breeds who are more prone to health issues. For example, Great Danes sadly live as little as five years. This means prospective owners need to be ready to tackle health issues early on in life.

© Shutterstock 

Irish Wolfhound -

Another large dog that was originally bred to hunt, Irish Wolfhounds have a relatively short lifespan of only five to seven years.

© Shutterstock 

Bulldog -

Bulldogs are another breed that face a number of health issues. This is mainly related to their short snouts. In addition, these pups have been known to be one of the most difficult breeds to train.

© Shutterstock 

Dachshund -

Another dog breed that suffers from health issues, one in four Dachshunds develop back problems in their lifetime. And sadly, it can range from pain to complete paralysis.

© Shutterstock 

Shar Pei -

Shar Peis are very territorial doggos who need an assertive owner. Also, their unique skin folds can create health challenges, including chronic skin conditions.

© Shutterstock 

Cavalier King Charles Spaniel -

You probably wouldn't expect to see this pup here, but this breed usually develops a heart condition called mitral valve disease. Having a dog with such high probability of disease isn't easy.

See also: Foods that are poisonous to dogs

© Shutterstock