A 30-year-old African-American woman presented to the emergency department for medical assessment after becoming too weak to walk. She reported proximal muscle aches in both arms and legs, a skin rash ...

What is the differential diagnosis for a formerly active and healthy 70-year-old woman with worsening proximal weakness, torticollis, and a widespread raised red rash across her cheeks bilaterally?

Muscle pain that does not go away after several days or is accompanied by symptoms such as fever, shortness of breath, and extreme weakness requires medical assistance. Muscle pain, also called ...

Most people will deal with some kind of skin rash or irritation at some point in their lives. There are many different types of skin rashes you might experience with different causes and courses of ...