Antimicrobial Awareness Week Day 4

What is the most common bacterial cause of community acquired pneumonia in adults?

Mycoplasma pneumoniae

Streptococcus pneumoniae

Chlamydophila pneumoniae

Legionella species

When treating CAP, which of the following oral cephalosporins is preferred in patients with non-severe penicillin hypersensitivities due to its superior anti-pneumococcal activity?

Cefalexin

Cefaclor

Cefuroxime

Meropenem

Select the correct option(s). Compared with amoxicillin + clavulanate (875mg + 125mg, 12 hourly), amoxicillin:

Is less selective for resistance

Has fewer adverse effects

Achieves significantly higher plasma concentrations of amoxicillin (at the dosage recommended for CAP. 1g, 8-hourly).

All of the above.

True or false: ceftriaxone has superior activity against Strep pneumoniae compared to benzylpenicillin (at the dose recommended for CAP)?

True

False

True or false; doxycycline or a macrolide (oral clarithromycin or IV azithromycin) should not be used as monotherapy in the treatment of S. pneumoniae CAP?

True

False

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