The results of your search will display an exact match for your search term as well as displaying search results that contain your whole search term within a medical term / phrase (assuming a match can be found). Stedmanâs Medical Dictionary Â© Wolters Kluwer Health. All rights reserved.
Some patients also have shortness of breath, an irregular heartbeat, or other heart problems. Many times, polymyositis is idiopathic. That means the cause of the disease is not known. But, there are some theories about the causes of polymyositis, including:
Polymyositis and Dermatomyositis. Polymyositis and dermatomyositis are disorders of the body's connective tissues, which include tendons, ligaments and the dense sheets of collagen-based tissue that cover the ends of the muscles. These diseases cause swelling and tenderness in the muscles (polymyositis) and sometimes the skin (dermatomyositis). The disease causes weaknesses in the arms and legs. Both Polymyositis and dermatomyositis have symptoms in common with sclerosis or sometimes lupus.