Sporadic inclusion body myositis (s-IBM) has no known causes. It has an autoimmune component, which means the body attacks itself. However, other factors could be at play, and it's still unknown what triggers s-IBM.
What are the symptoms of myositis caused by a virus?
- Difficulty in getting up from a chair
- Trouble in climbing stairs or lifting arms
- Tired feeling after standing and walking
- Difficulty swallowing or breathing
- Muscle pain and soreness that seems to linger for a few weeks
- Elevations in muscle enzymes
- Fatigue (exhaustion)
- Frequent falls
- A general feeling of being unwell
- Weight loss
What does myositis pain feel like?
- The symptoms of myositis vary between different people. They can include: weak and tired muscles that can make everyday tasks such as climbing stairs, brushing hair, and getting in and out of cars difficult; pain in muscles; muscles feeling tender to touch; muscles can sometimes swell; generally feeling unwell; weight loss; night sweats.
What is the most common form of myositis?
- Sporadic Inclusion Body Myositis. The most common form of myositis,sporadic inclusion body myositis (sIBM),is typically found in people over 50.
- Dermatomyositis. Dermatomyositis (DM) affects people of all ages and sexes,but is more common among women.
- Polymyositis.
- Necrotizing Myopathy.
- Juvenile Myositis.
Which pathogens cause infectious myositis?
- Infectious myositis is caused by various pathogens, including bacteria, viruses, parasites, and fungi. Often, bacterial myositis presents as focal muscle infection, and viruses tend to cause a diffuse disease. Prevention, improving sanitary conditions, and medical care are essential to control the prevalence of infection.