Inpatient treatment for community-acquired pneumonia includes which regimen?

• A. Azithromycin
• B. IV Levaquin
• C. Amoxicillin
• D. Doxycycline

Answer: (B)

Inpatient treatment of community-acquired pneumonia requires parenteral antibiotics with broad coverage to address both typical bacteria like Streptococcus pneumoniae and atypical pathogens such as Mycoplasma and Chlamydia. A fluoroquinolone given IV, such as levofloxacin, fits this need well because it provides strong activity against both typical and atypical organisms in one medication and delivers reliable lung penetration. This makes IV levofloxacin a convenient and effective single-drug regimen for hospitalized patients who require IV therapy.

The other options are less ideal for inpatient regimens. Azithromycin alone is more typical of outpatient therapy and may not provide enough coverage in the hospital without a beta-lactam partner. Amoxicillin is usually used for milder outpatient CAP and doesn’t cover atypicals well, which is important in inpatient care. Doxycycline can be used in some outpatient regimens but isn’t the preferred inpatient choice due to potentially less reliable coverage against certain pneumococcal strains and the need for broader initial coverage in hospitalized patients.