<prompt> Erysipelas is caused by -Staph aureusStaph albusStrep pyogenesHemophilus  <response>: Erysipelasis due to S. pyogenes andis characterized by an abrupt onset of fiery-red swelling of the face or extremities.the distinctive features of erysipelas are well-defined indurated margins, particularly along the nasolabial fold; rapid progression; and intense pain.extension to deeper soft tissues is rare.treatment with penicillin is effective 