Severe invasive group A beta-hemolytic streptococcus infection complicating pharyngitis: a case report and discussion.

Group A beta-hemolytic streptococcus (GABHS) has long been recognized as a deadly pathogen with manifestations ranging from impetigo to necrotizing fasciitis. Bacteremia from streptococcal pharyngitis is a rare complication. We report a patient presenting with septic shock and diabetic ketoacidosis from streptococcal pharyngitis. The pathophysiology, classification, and treatment of invasive group A streptococcal infection is discussed.