Picture of Systemic Lupus Erythematosus 2
Systemic lupus erythematosus (SLE) is the most common form or the autoimmune disease lupus. Nearly half of all lupus patients will develop what is called a “butterfly” rash that stretches across their nose to both cheeks, often after being exposed to sun. The rash covers both checks ad nose, giving it a butterfly pattern in appearance.
Text Source: Centers for Disease Control and Prevention
Lupus Foundation of America