What are the muscular symptoms of polymyositis?

Updated: Feb 12, 2018
  • Author: Mythili Seetharaman, MD; Chief Editor: Herbert S Diamond, MD  more...
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Answer

Patients with polymyositis usually present with symmetrical, proximal muscle weakness in the upper and lower extremities. Weakness of neck flexors also occurs. Patients with polymyositis may occasionally report muscle pain and tenderness, which may be confused with symptoms of polymyalgia rheumatica. The disease may exist for several months before the patient seeks medical advice, and all of the muscles of the thighs, trunk, shoulders, hips, and upper arms are usually involved. Muscle weakness may fluctuate on different days and at different times.


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