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Peer-reviewed veterinary case report

Facial muscle weakness from focal myasthenia gravis in a puppy dog

By Webb, A A et al.·Published in The Canadian veterinary journal = La revue veterinaire canadienne·1997·Department of Veterinary Internal Medicine, Canada·View original on PubMed

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Original publication title: Focal myasthenia gravis in a dog.

Species:
dog
Breathing & coughDogs

Plain-English summary

A 10-month-old American cocker spaniel was brought to the vet for issues with swallowing and breathing due to megaesophagus and aspiration pneumonia, but initially showed no weakness in its limbs. While hospitalized, the dog developed weakness in its facial muscles, which improved after receiving a medication that boosts nerve signals (anticholinesterase). Tests revealed that the dog had antibodies against acetylcholine receptors, confirming a diagnosis of focal myasthenia gravis, a condition affecting muscle control. With the right treatment, the dog was able to recover and regain strength.

People also search for: dog facial weakness treatment · cocker spaniel myasthenia gravis · megaesophagus in dogs · aspiration pneumonia in dogs

Abstract

A 10-month-old American cocker spaniel was evaluated for megaesophagus, aspiration pneumonia, but no appendicular muscle weakness. During hospitalization, weakness of the facial muscles developed, this resolved with anticholinesterase administration. Serum antibodies against acetylcholine receptors were documented, confirming the diagnosis of focal myasthenia gravis. Diagnosis, management, and medical treatment are discussed.

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Original publication on PubMed: https://pubmed.ncbi.nlm.nih.gov/9262858/