What is Myositis?

Myositis is defined as any condition where inflammation is caused within the muscles. It can be caused by injury, infection, side effects, or autoimmune diseases. Conditions such as dermatomyositis, polymyositis, and inclusion body myositis can cause potentially damaging and serious cases of myositis. Generally speaking, myositis is also defined by different categories, such as myositis that is caused by infections and myositis that is caused by various types of drugs. Viral infections are one of the most common types that are known to cause myositis. The issue is that the viruses or bacteria can begin to attach the muscle tissues themselves, which can cause discomfort. This is usually seen in instances where the individual is dealing with the common cold or even conditions such as HIV. Drug usage is another issue that can lead to the development of myositis. This is because drugs can cause temporary muscle damage, depending on the drug itself and how long it has been used or the amount that has been taken. Some drugs that are known to cause myositis include alcohol, cocaine colchicine, statins, alpha interferon, and plaquenil. Myositis can happen immediately after the individual has taken these drugs or may happen years later. Severe cases of myositis are less likely to happen with drugs when in comparison to other categories. Injury is a common cause for myositis. When you have exercised for a long period of time and your muscles are not yet accustomed to the sensation, it can lead to swelling, weakness, muscle pain, and general discomfort. This can last for a few days. Usually this type of myositis disappears as you continue to rest and your muscles begin to repair themselves. If you are still sore within these areas past a week, it may be a sign that you are dealing with an injury that you need to have examined by a doctor. The symptoms associated with myositis include fatigue, rash, difficulty breathing or swallowing, and thickening of the skin on the area of the hands. Some people who have myositis as a result of a virus usually have the symptoms associated with the virus as well. Although some people have muscle pain, there are many who do not have it at all – so this is generally not a good indication of whether or not you may be experiencing myositis. Muscle pain tends to be a result of colds, viruses, or too much muscle strain.

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