What is dermatomyositis?
Disease description:
Recently, I have been experiencing frequent muscle weakness and a general lack of energy. I was diagnosed with dermatomyositis. Doctor, what is dermatomyositis?
Doctor's answer (1)
Dr. Wang Xiaoyan
Dermatomyositis is a rare autoimmune disease that primarily affects the skin and muscles. It is characterized by subacute to chronic onset, with symptoms including characteristic rashes, muscle weakness, and inflammation. Skin manifestations may include purplish-red patches, swelling, or photosensitivity, while muscular symptoms typically present as weakness, fatigue, and muscle pain.
The exact cause is not yet fully understood, but it may be related to genetic factors, environmental triggers, and immune system dysfunction. In dermatomyositis, the body's immune system mistakenly attacks its own skin and muscle cells, leading to inflammation and damage. Diagnosis typically involves clinical evaluation, blood tests (such as elevated creatine kinase levels), muscle biopsy, and skin biopsy.
If you have any concerns, prompt medical consultation is recommended.
