What is a key characteristic of erysipelas?

Erysipelas is primarily characterized as a bacterial skin infection, typically caused by Streptococcus pyogenes, which is a type of bacteria. This infection usually presents with well-defined, raised, red areas of skin, often accompanied by fever and systemic symptoms. It generally affects the face and lower extremities and is known for its clear demarcation from healthy skin, making it distinct from other skin conditions.

The focus on its bacterial origin emphasizes the importance of prompt antibiotic treatment to manage the infection and prevent complications. Identifying erysipelas as a bacterial skin infection is critical for accurate diagnosis and effective patient management, as it requires specific medical intervention rather than supportive care that might be appropriate for other types of skin conditions.