Canine Muscle Diseases | Symptoms & Causes


Diseases that affect the muscles of the dog often involve the nervous system and are difficult to diagnose without sophisticated testing by a veterinarian. A common clinical sign for most of the diseases includes intermittent or generalized muscle weakness and pain. Canine muscle diseases include:

  • Canine myasthenia gravis, which is characterized by generalized periodic weakness
  • Tick paralysis, caused by a toxin that produces ascending paralysis of the skeletal muscle
  • Polymyositis, which involves inflammation that produces lameness and pain in the skeletal muscles which cannot be attributed to any other cause. Polymyositis often involves the muscles of mastication — another common sign can be lockjaw.
  • Dermatomyositis, which involves inflammation of canine muscles along with characteristic skin lesions
  • Degenerative myelopathy, a progressive disease of the spinal cord in older dogs — the disease has an insidious onset typically between 8 and 14 years of age and begins with a loss of coordination in the hind limbs.
  • Canine muscular dystrophy, a rarely seen genetic muscular disease
  • Peripheral neuropathies like coonhound paralysis is a good example of an inflammatory peripheral neuropathy.

    A strong immune system is essential to good health and longevity and the result of providing optimum nutrition to your dog.

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