QuestionSBA
QuestionChoice
*Chlamydia pneumoniae* is penicillin-resistant, therefore amoxicillin is not an effective antibiotic treatment.
10002058
b
Amoxicillin
QuestionChoice
Doxycycline is a tetracycline antibiotic which can be used for the treatment of *Chlamydia pneumoniae* but is not used first-line.
10002059
c
Doxycycline
QuestionChoice
Ciprofloxacin is a fluoroquinolone antibiotic and can be used for the treatment of *Chlamydia pneumoniae* but is not used first-line.
10002060
d
Ciprofloxacin
QuestionChoice
Clarithromycin is a macrolide antibiotic. Macrolides are effective against *Chlamydia pneumoniae*; they work by inhibiting the 50S ribosomal subunit, limiting bacterial protein synthesis.
10002057
a
Clarithromycin
QuestionChoice
Rifampicin is an ansamycin antibiotic used to treat several types of bacterial infections, including tuberculosis. It is not typically used to treat *Chlamydia pneumoniae* infection.
10002061
e
Rifampicin
Concept
Chapter
2693
3709
Pneumonia
Topic
132
Respiratory
12958
A 60-year-old gentleman presents to A&E with shortness of breath and a high fever. He has been experiencing a progressively worsening cough and fatigue. He is diagnosed with pneumonia and further tests find him to be positive for *Chlamydia pneumoniae*.

Which of the following antibiotics is used first-line in the treatment of *Chlamydia pneumoniae* infection?
a