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The IMs include dermatomyositis, polymyositis, and inclusion body myositis.
There is no known way to prevent myositis, except to avoid exposure to those environmental agents that may be associated with some cases.
Myositis is a general term for inflammation of the muscles. There can be several causes. The most common being polymyositis and dermatomyositis.
Myositis. Myositis refers to any condition causing inflammation in muscles. Weakness, swelling, and pain are the most common myositis symptoms. Myositis causes include infection, injury, autoimmune conditions, and drug side effects. Treatment of myositis varies according to the cause. Myomalacia- for severe damage. Myopathy for degerative disease
Inclusion Body Myositis (IBM) and Polymyositis (PM) are both inflammatory muscle diseases, but they have distinct characteristics. IBM primarily affects older adults, causing progressive muscle weakness and atrophy, particularly in the quadriceps and finger flexors, often with the presence of specific protein aggregates in muscle fibers. In contrast, PM typically affects younger individuals and is characterized by symmetrical muscle weakness without the inclusion bodies found in IBM. Additionally, treatment responses differ, with PM generally responding better to immunosuppressive therapies than IBM.
The causes of IM are not known. An autoimmune process is likely, as these conditions are often associated with other autoimmune diseases and because they respond to immunosuppressive medication.
Polymyositis is inflammation of several voluntary muscles.
There is no known way to prevent myositis.
Dermatomyositis is identical to polymyositis with the addition of a characteristic skin rash.
Polymyositis is an inflammatory muscle disease causing weakness and pain.
Myositis is chronic muscular soreness, it is also known as myalgia. Lumbar myositis is a condition of the lower back where the muscles are inflamed.
The prefix is poly-. This prefix means many.