Strep throat. • A potentially serious bacterial infection that causes pain and inflammation in the throat. • The main symptom is throat pain, but it also can cause difficulty swallowing, fever, other symptoms. • Treatment is a full course of antibiotics, typically penicillin or amoxycillin. • Involves pediatrics, general pediatric.

Etiology Group A strep pharyngitis is an infection of the oropharynx caused by S. pyogenes. S. pyogenes are gram-positive cocci that grow in chains ( see figure 1 ). They exhibit β -hemolysis (complete hemolysis) when grown on blood agar plates.

Strep throat basics. Strep throat is caused by the bacteria Streptococcus pyogenes (group A streptococcus). Common signs and symptoms include: fever; sore throat; trouble swallowing; white dots or.