What do you know about Masticatory Muscle Myositis?

Our question this week was:

I would like to know your thoughts on Masticatory Muscle Myositis. I have a Mastiff that was recently diagnosed. This is a terrible disease that
seems to be rare.




Hi Vicki – thanks for your email. I'm sorry to hear that your mastiff has Masticatory Muscle Myositis. Have you read our article on it? It may answer many of your questions. Please click on the above link.

As you may know, Masticatory muscle myositis (MMM) is an inflammatory condition involving the muscles of mastication or chewing in the dog. MMM is caused by an immune mediated process targeted against specific muscle fibers; the immune system attacks the body's own muscles.

The disease occurs in both acute (sudden) and chronic forms, and the signs may vary with each form. The chronic form is seen more commonly.

Treatment is generally focused on anti-inflammatory drugs and medications to suppress the immune system.

Best of luck!

Dr. Debra

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