Drug News () needs a second opinion on this medical case.
Patient N, a 23-year-old medical student arrives in the ER with complains of difficulty in swallowing, sore throat, and chills. Upon examination, she is found to be running a fever, and has white patches on her tonsils. A throat swab is positive for Streptococcus pyogenes (group A). A diagnosis of acute pharyngitis is made. Her past medical history is unremarkable except for an anaphylactic reaction to cefaclor 2 years ago. Which of the following would be a safe alternative for treating N's condition?