Muscle Diseases - Dermatomyositis is One of a Group of Inflammatory Muscle Diseases

dermatomyositis is a type of autoimmune disease in which the immune system tends to be on the healthy cells of blood vessels in the skin and muscles. As a result, the muscle fiber begins to decrease over time. Sometimes, the supply of blood to the muscle is completely cut off.

cause why an individual develops dermatomyositis is not clearly known. However, research suggests that some type of virus or even a vaccine or medication that an individual could run this disorder. Other reports suggest that this disease can occur during pregnancy, the fetus and mother.

the first symptom of dermatomyositis is the appearance of scaly and patchy skin rash on the neck, chest, face, back, knees or shoulders. The rash can be purple, and even dark red. Then a rash usually develops before the muscles become weak or other signs of disease begin to develop.

The diagnosis of dermatomyositis among children is difficult because the disease develops gradually. rash disturb a child for years before manifesting any symptoms of the disease.

a large percentage of teenagers or young children may develop some lumps under the skin that are painful. These bumps are nothing more than calcium deposits under the skin. This condition is called calcinosis. It is very common among adults, however.

the muscles of the thighs, hips, upper arms and neck become weak over a period of time. Some of the activities such as chewing, swallowing and climbing stairs become difficult. Loss of weight, stiffness in the joints and a light fever is another sign of the dermatomyositis.