What is the first-line recommended treatment against Group A β-hemolytic streptococci (GABHS), the most common cause of bacterial pharyngitis?

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Penicillin is the first-line recommended treatment for Group A β-hemolytic streptococci (GABHS) pharyngitis. It is effective, safe, and relatively inexpensive. Quinolones are not recommended as first-line treatment, and cephalosporins and macrolides are alternative options for patients with penicillin allergy or intolerance. However, they are not preferred as first-line treatment due to increasing rates of resistance and concerns about adverse effects.

What Is the First-Line Recommended Treatment Against Group a β-Hemolytic