Masticatory Myositis in Dogs: Symptoms, Causes, & Treatments

Masticatory Myositis in Dogs: Symptoms, Causes, & Treatments
Masticatory Myositis in Dogs: Symptoms, Causes, & Treatments

(Learn more about masticatory myositis in dogs. Picture credit: Carol Yepes / Getty Images)

Masticatory myositis in dogs is a disorder of the immune system. Generally, the condition affects the muscles a dog uses to chew.

Unfortunately, certain breeds are affected by the condition more than normal. For example, German Shepherds, Doberman Pinschers, and Labrador Retrievers are prone to the condition.

Sometimes, the condition is referred to as MMM. Technically, the condition is also called eosinophilic myositis in dogs.

If you see the signs of the condition in your dog, then get to a veterinarian for a proper diagnosis and treatment.

Here’s what you should know about the symptoms, causes, and treatments for the condition.

Symptoms of Masticatory Myositis in Dogs

The condition produces a range of symptoms that become progressively worse. For example, some of the most common symptoms include:

  • Fever

  • Reluctance to eat

  • Drooling

  • Acting lethargic

  • Sunken eyes

  • Problems opening the mouth

  • Anorexia

  • Muscles shrinking

Causes of Masticatory Myositis in Dogs

(Picture credit: NPHOTOS / Getty Images)

The cause of the condition is sometimes unknown. However, some of the common identified causes include:

  • Viral infection

  • Allergies

  • Environmental toxins

  • Parasitic infection

  • Medication reaction

  • Stress

Additionally, the following breeds suffer from the condition more often than usual:

  • Golden Retriever

  • Weimaraner

  • Labrador Retriever

  • Rottweiler

  • Cavalier King Charles Spaniel

  • Doberman Pinscher

  • German Shepherd

Treatments for Masticatory Myositis in Dogs

Firstly, your vet will ask about your dog’s symptoms. Secondly, your vet will ask about your dog’s full medical history. This will include breed-specific problems.

Thirdly, a full physical examination will be carried out, including the jaw and mouth area. Additionally, blood and urine tests will also be taken. The subsequent results of the tests can diagnose the condition.

Generally, your vet will recommend treatment that relates to the severity of the condition. Sometimes, your vet will prescribe corticosteroids and pain medication for your dog.

As always, if your vet prescribes your dog any medicine, make sure to stick to the correct dose and frequency instructions. Also, complete the full course of medicine.

Additionally, in more extreme cases, your dog’s jaw muscles will need to be stretched. Your vet will carry out this procedure while your dog is under anesthesia.

Finally, while your dog is recovering at home, you will need to adapt its feeding routine. For example, adding kibble to water or switching to wet food can help your dog recover.

Have you ever cared for a dog who suffered from this condition? How did your vet help your dog recover? Let us know in the comments section below.

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