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Treatment

Corticosteroids are typically used to suppress overactive active immune system, which may be an underlying factor. In addition, antibiotics are prescribed to fight off infection. Long-term corticosteroids treatment may be required in cats with severe immune-mediate diseases.

Living and Management

As muscle inflammation decreases, you will need to increase your pet's activity level to improve muscle strength. Cats with an enlarged esophagus (megaesophagus) will require special feeding techniques. You will briefed about elevating feeding and adding various foods to the cat's diet, especially foods of different consistencies. In cases of severe regurgitation, your veterinarian will place a feeding tube into the cat's stomach to ensure proper nutrition. He or she will also show you how to use the feeding tube correctly, and will assist in setting up a feeding schedule. In addition, good supportive care is required to prevent skin wounds and ulcers in non-emergency patients.

Fortunately, cats with polymositis and dermatomyositis due to immune-mediated causes have a good prognosis. If cancer is the underlying cause of the diseases, however, prognosis is poor.