Polymyositis: Essential Information for Primary Care Providers

Polymyositis is one of a rare group of skeletal muscle diseases known as idiopathic inflammatory myopathies. The etiology is not fully understood, and its clinical presentation is often vague yet similar to more common neuromuscular diseases, making diagnosis difficult. A number of different tests are available to assist providers in making an accurate diagnosis. Once a diagnosis is made, there are a number of various treatment modalities available. Nurse practitioners must be familiar with treatment protocols and follow-up. The focus of this article is on polymyositis; its presentation, signs, and symptoms; the process of accurate diagnosis; and common treatment strategies.