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?

An inner thigh rash is usually caused by chafing, eczema, or heat rash. You can wear loose, breathable clothing to help decrease friction and promote healing. See a doctor if you have a persistent or ...

Medically reviewed by William Truswell, MD You may get a butt rash from skin infections, allergic reactions, or a condition ...