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. 

C/Features: Fever, malaise and lymphadenopathy accompany cutaneous infection.

Treatment: Sensitive to Penicillin & Erythromycin