![]() (2014, June 17) /diseases-conditions/dermatomyositis/basics/causes/con-20020727 Clinical presentation and evaluation of dermatomyositis. Marvi, U., Chung, L., & Fiorentino, D. ![]() ![]() Clinics in Dermatology, 24, 363-373 /storage/documents/DM_Published_Research/Dermatomyositis_by_Callen_and_Wortmann.pdf You can learn more about how we ensure our content is accurate and current by reading our editorial policy. Healthline has strict sourcing guidelines and relies on peer-reviewed studies, academic research institutions, and medical associations. According to one study, 35 to 40 percent of people with this disorder develop interstitial lung disease. You may develop shortness of breath or coughing. Lung disorders: These disorders can eventually impact your lungs.Having one may increase your risk for developing another. Other tissue diseases: DM is part of a group of connective tissue disorders.People with DM are three to eight times more likely to develop cancer than the general population. Cancer: Having DM increases your risk for cancer.That means having the disorder may increase your odds for developing other conditions. In children, DM commonly develops between the ages of 5 and 15.ĭM is a risk factor for other conditions. However, DM is twice as common in women, and the average age of onset is 50 to 70. People of any race, age, or sex may develop the rash, as well as DM. Who’s at risk for heliotrope rash and dermatomyositis?Ĭurrently, researchers don’t have a clear understanding of what factors may affect the disorder and rash. Complication of medication: Side effects from some medications could lead to a rare complication like DM.Ĭheck out: More genetic clues to autoimmune disorders discovered ».Likewise, a previous infection may also affect your risk. Infection or exposure: It’s possible that exposure to a toxin or trigger could play a role in who develops DM and who doesn’t.Underlying cancer: People with DM are at a higher risk for developing cancer, so researchers are investigating whether cancer genes play a role in who develops the disorder.When this happens, the body responds by causing unexplained symptoms. In some people, however, the immune system attacks healthy cells. An autoimmune disease: A functioning immune system attacks unhealthy or invading bacteria.Family or genetic history: If someone in your family has the disease, your risk may be higher.Possible causes of dermatomyositis include: Researchers are trying to understand who is likely to develop the disorder and what increases their risk. This connective tissue disorder has no known cause.
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