Erysipelas:
- It is infection of the upper layers of the skin (superficial)
- while cellulitis affects the deeper tissues.
The most common cause is group A streptococcal bacteria, especially Strep. pyogenes.
 Erysipelas characterized by - hot, edematous, erythematous plaques with well-defined, raised edges with vesicles and bullae.  While  in cellulitis, the Reddened skin is less clearly defined, dark-red or slightly purplish.Â
C/Features: Fever, malaise and lymphadenopathy accompany cutaneous infection.
Treatment: Sensitive to Penicillin & Erythromycin