Myositis: What’s The Cause Of It? And It’s Diagnosis


A disorder called myositis causes your body’s immune system to assault your muscles. It results in swelling that fluctuates over a lengthy period of time due to ongoing inflammatory processes. This inflammation eventually makes your skeletal muscles feel weaker and weaker. Muscle soreness can also result from it.

Some myositis sufferers report weakness in their muscles on or near their:

  • Oesophagus
  • Diaphragm
  • And Eyes.

Acute posterior myositis (กล้าม เนื้อ หลัง ส่วน ล่าง อักเสบ, which is the term in Thai) has no known cause, and there also is no known treatment for it. Your doctor will treat the signs and symptoms you are experiencing. Also, stretching and other physical activities that assist in restoring your afflicted muscles during myositis symptoms will be advised.

When you feel lethargic, have problems shifting, or detect any new discomfort or irritation of the skin, see a doctor. If you are having problems inhaling or swallowing, visit the emergency hospital.

Inflammatory Health Conditions

Illnesses that produce inflammation throughout the organism and damage the muscles might result in myositis. Numerous causes are attributed to autoimmune diseases, in which the body attacks the tissues it generates. Inflammatory disorders may contribute to severe myositis for the following reasons:

  • Dermatomyositis
  • Body-inclusion myositis
  • Polymyositis


Viral infections are one of the conditions that cause myositis most frequently. Rarely, bacterial, fungal, or other species can also cause myositis. It’s conceivable for viruses or bacteria to infect muscle tissue directly. It’s also possible for chemicals to be released that can damage muscle fibers. HIV, the common cold and influenza virus, among other illnesses, are possible myositis triggers.

An Examination Of The Blood

In higher concentrations, creatine kinase and other muscle enzymes may signify an inflammatory condition. In other blood tests, abnormal antibodies that can indicate an autoimmune disease are sought after.


A scanner, which combines a strong magnet and a computer, creates images of the muscles. A magnetic resonance imaging (MRI) exam can pinpoint the area of myositis that has changed the muscle tissue over time.

Biopsies Of Muscles

It is the most reliable for detecting myositis. A physician locates a deteriorating muscle, makes a small cut, and removes negligible muscle tissue for testing. Typically, a muscle biopsy yields a valid diagnosis in myositis patients.

Myositis is not always easy to diagnose, and numerous conditions are more often responsible for muscle discomfort and weakening than myositis. Several variables contribute to the length of the myositis diagnosis process.

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