Determining whether a mass is a mast cell tumor or a histiocytoma requires a biopsy.

Mast Cell Tumor vs. Histiocytoma

Dogs get bumps and growths on their skin. Not all are cancer, but interestingly, two physiologically very different bumps—mast cell tumors (cancerous) and histiocytomas...
Hypertrophic osteodystrophy in dogs can cause lameness in dogs, but resolves when a dog is fully grown.

Hypertrophic Osteodystrophy vs. Panosteitis in Dogs

Hypertrophic osteodystrophy (HOD) and panosteitis (pano) are classic developmental lamenesses of young dogs and puppies. Both problems tend to occur in large- to giant-breed...
Sarcomas in dogs are local cancers that can be removed without much issue.

Your Guide to Fibrosarcomas in Dogs

Sarcomas in dogs are nasty tumors. The word “sarcoma” even sounds nasty to me. Osteosarcoma (cancer in the bone) and hemangiosarcoma (cancer of the...
A dog might be hyperventilating due to any number of reasons.

What To Do if Your Dog is Hyperventilating

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Dogs naturally breathe faster when they are hot, excited, or recovering from exercise, but persistent rapid breathing can sometimes signal a more serious problem....
Hematochezia in dogs can have many causes.

Hematochezia in Dogs and Causes of Rectal Bleeding

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A dog bleeding from the butt could be a simple case of mild irritation, or it could indicate a serious clotting disorder. If your...
A dog stye can be treated at home, but redness does not always mean a stye.

Home Care for Dog Stye

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Have you experienced your dog getting a stye on his eye? It is painful. How do you know whether it’s a veterinary emergency or...
When is it time to put down a dog with seizures.

When Seizures Win in Dogs

Many dogs have their epileptic seizures under good control and lead reasonably normal lives. Until they don’t. Some dogs never really get their seizures...
Laryngeal paralysis in dogs

Laryngeal Paralysis in Dogs: Symptoms, Treatment, and What To Do

Laryngeal paralysis in dogs is a potentially serious condition affecting the folds of the larynx (back of your dog’s throat). The larynx, also called...
The Corgi dog's short legs is due to a mutation that causes a particular sort of dwarfism in dogs.

Dogs With Dwarfism

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Dogs with dwarfism are often quite cute: short legs, big heads, and often stocky. But while many dogs with dwarfism lead happy, normal lives, this condition does predispose them to certain health conditions.
Labored breathing in dogs is a cause for alarm and immediate medical care.

My Dog Is Breathing Heavy

Dogs can have different types of heavy breathing. Panting is one version of increased respirations. Panting involves a rapid rate of breathing with a...
A graying muzzle on its own isn't a sign of vitiligo in dogs.

How Does Vitiligo Start?

Vitiligo is a genetic condition in dogs that affects skin and hair color. With vitiligo, the melanocytes—the cells that produce pigment—degenerate or die off, leaving behind white skin and white hair. For some dogs, this is due to a genetic predisposition.
Small breed dogs are great companions, but teacup dogs push size to an unhealthy extreme.

Should You Get a Teacup Dog?

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We get it! Tiny dogs are adorable! But the term “teacup dog” is usually a red flag that indicates irresponsible breeding practices. Thankfully, you...