Snapshot A 10-year-old boy presents to his pediatrician for a sore throat. His symptoms began a few days ago and have progressively worsened. He said it's been difficult for him to swallow food and feels feverish. His symptoms are associated with headache and he denies coryza, rhinorrhea, or myalgias. Medical history is unremarkable and he is currently not on any medications. Physical examination demonstrates tonsillar erythema with exudates. A rapid antigen detection test returns positive for Streptococcus pyogenes, and he is started on amoxicillin. (Tonsillopharyngitis) Introduction Medications login to view 2 more bullets Mechanism of action login to view 2 more bullets Mechanism of resistance login to view 1 more bullet Clinical use login to view 9 more bullets Adverse effects login to view 3 more bullets