A 19-year-old college student presents with fever (38.9°C), dry cough, and dyspnea. Vital signs show HR 102/min, RR 22/min, BP 118/76 mmHg, SpO2 94% on room air. Chest X-ray reveals patchy interstitial infiltrates. PCR testing confirms Mycoplasma pneumoniae. He denies recent antibiotic use. The prescribed medication binds the bacterial 50S ribosomal subunit and inhibits translocation. Which of the following medications was most likely prescribed?
- A)Gentamicin
- B)Cefazolin
- C)Doxycycline
- D)Levofloxacin
- E)AzithromycinGABARITO
Explicação
Macrolides such as azithromycin bind the 50S ribosomal subunit and block translocation. They are commonly used for atypical pneumonia caused by organisms such as Mycoplasma pneumoniae. The dry cough and interstitial pattern are classic clues for an atypical pa... Ver explicação completa e trilha adaptativa →