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Ask Dr. Michael Salkin Your Own Question
Dr. Michael Salkin
Dr. Michael Salkin, Veterinarian
Category: Vet
Satisfied Customers: 32803
Experience:  University of California at Davis graduate veterinarian with 45 years of experience.
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French bulldog cant open his mouth fully

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French bulldog can't open his mouth fully
Aloha! You're speaking with Dr. Michael Salkin
I'm sorry that your question wasn't answered in a timely manner. Masticatory myositis - an autoimmine disease (the immune system is attacking the patient's own tissues) affecting the muscles of mastication (chewing) in dogs is my prime differential diagnosis when a dog can't open his mouth fully. Additional symptoms include decreased activity, lethargy, fever, regional lymphadenopathy (swollen lymph nodes), dysphagia (difficulty in eating), weight loss, drooling, change in bark (more high pitched), and pain on yawning or when grabbing toys. A serum type 2M fiber antibody test is the gold standard for confirming this disease.

Masticatory myositis must be differentiated from a variety of disorders of the head and neck that can make a dog unwilling or unable to open its mouth. These include maxillofacial trauma, temporomandibular joint disease (TMJ), bone and soft tissue neoplasia (cancer), foreign body penetration (behind the last molar, tonsillar region, pharyngeal wall, sublingual tissues), ocular disease and space-occupying orbital/retrobulbar lesions, ear disease, other inflammatory muscle diseases, tetanus, and craniomandibular osteopathy.

As you can see, Frankie's vet will need to perform a careful physical examination on Frankie in order to clarify the reason for his inability to open his mouth fully. Please respond with further questions or concerns if you wish.

Dr. Michael Salkin and other Vet Specialists are ready to help you
Thank you for your kind accept. I appreciate it.

I'm going to check back with you in a few days for an update. Feel free to return to our conversation - even after rating - prior to my contacting you if you wish.

Please disregard the info request.
May I have an update on Frankie, please?