noun
Dermatomyositis (dur-muh-toe-my-uh-SY-tis) is an uncommon inflammatory disease marked by muscle weakness and a distinctive skin rash.
The condition can affect adults and children. In adults, dermatomyositis usually occurs in the late 40s to early 60s. In children, it most often appears between 5 and 15 years of age. Dermatomyositis affects more females than males.
There's no cure for dermatomyositis, but periods of symptom improvement can occur. Treatment can help clear the skin ra...
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The signs and symptoms of dermatomyositis can appear suddenly or develop gradually over time. The most common signs and symptoms include:
The cause of dermatomyositis is unknown, but the disease has much in common with autoimmune disorders, in which your immune system mistakenly attacks your body tissues.
Genetic and environmental factors also might play a role. Environmental factors could include viral infections, sun exposure, certain medications and smoking.
There's no cure for dermatomyositis, but treatment can improve your skin and your muscle strength and function. Medications Medications used to treat dermatomyositis include:
For informational purposes only and not a substitute for professional medical advice, diagnosis, or treatment.
© Mayo Clinic
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