1. An inflammatory disease characterized by muscle weakness and a distinctive skin rash, typically affecting the face, neck, and hands.
Usage: Medical term; Autoimmune condition; Often abbreviated as DM

Examples

• The patient was diagnosed with dermatomyositis after presenting with a purple rash and progressive muscle weakness.
• Dermatomyositis can affect both children and adults, though it is relatively rare.
• Treatment for dermatomyositis often includes corticosteroids and immunosuppressive medications.
• The characteristic heliotrope rash is a key diagnostic feature of dermatomyositis.
• Early diagnosis of dermatomyositis is important to prevent permanent muscle damage.