A malar rash, or butterfly rash, typically appears across the cheeks and bridge of the nose in a butterfly shape. Lupus and rosacea are two conditions that can cause a malar rash. A malar rash can be ...
Medically reviewed by William Truswell, MD Eczema, allergies, infections, and heat rash can all cause a rash on your neck.A dermatologist can diagnose the underlying cause of a neck rash and suggest ...