Community-Acquired Pneumonia

Common pathogens include: Streptococcus pneumoniae, Haemophilus influenza & Moraxella catarrhalis.

Collect sputum cultures for patients with alcohol abuse, structural lung disease, cavitary infiltrates, severe illness, or recent antibiotic use.

Collect a nasopharyngeal swab in hospitalized patients with viral prodome or influenza like illness.

Collect blood cultures for patients with severe CAP, immunocompromise, lung cavitation, chronic liver disease.

Perform a severity assessment using the CRB-65 score.

Duration of treatment should be a minimum of 5 days

Patient should be offered influenza and pneumococcal vaccinations prior to discharge if applicable

Assess severity and risk stratify using CRB-65ᵇ and clinical judgement

Select Any That Apply


This algorithm does not apply to patients with complicating factors (significant structural lung disease, hospitalization, antimicrobial therapy in preceding 90 days, or colonization with multidrug-resistant organisms).