Polymyositis (cont.)

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What is the prognosis for polymyositis?

The outcome for patients with polymyositis varies. While some have a relatively brief illness followed by remission not requiring subsequent treatment, others develop episodes of remissions and exacerbations requiring more or less treatment.

What are risk factors for worse outcomes with polymyositis?

Patients with polymyositis tend to have a higher risk for worse outcomes with older age, delay in cortisone treatment, cancer, lung or heart disease, or difficulty swallowing.

Can polymyositis be prevented?

There is no prevention for polymyositis. When the precise cause of polymyositis is identified, preventative measures might be possible.

Where can people find more information on polymyositis and dermatomyositis?

For further information about polymyositis, please visit the following site:

Arthritis Foundation (http://www.arthritis.org)
P.O. Box 19000
Atlanta, Georgia 30326

Additional organization to contact:

National Arthritis and Musculoskeletal and Skin Diseases Clearinghouse
Bethesda, Maryland 20892

Medically reviewed by Aimee V. HachigianGould, MD; American Board of Orthopaedic Surgery

American College of Rheumatology, Annual Scientific Meeting; November, 2006, 2007.

Koopman, William, et al., eds. Clinical Primer of Rheumatology. Philadelphia: Lippincott Williams & Wilkins, 2003.

Ruddy, Shaun, et al., eds. Kelley's Textbook of Rheumatology. Philadelphia: W.B. Saunders Co., 2000.

Medically Reviewed by a Doctor on 2/19/2015

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