Treatment of Other Bacterial Pneumonia in Healthy Adult Outpatients with Community-Acquired Pneumonia

Clinical scenario

This protocol addresses antibiotic management for adult outpatients presenting with community-acquired pneumonia who have no underlying chronic disease and no risk factors for drug-resistant organisms.

Patient profile

Adult outpatient Community-acquired pneumonia No chronic heart, lung, liver, or renal disease No diabetes mellitus No alcoholism No malignancy No asplenia No prior MRSA respiratory isolation No prior P. aeruginosa respiratory isolation No recent hospitalisation with parenteral antibiotics (<90 days)

Treatment approach (overview)

Oral antibiotic therapy is the recommended approach for this group. The protocol specifies a small number of agents from distinct antibiotic classes — with guidance on which is preferred, when local resistance patterns affect the choice, and the minimum course length required even after early improvement.

Clinical target

Treatment continues until the patient reaches clinical stability — resolution of vital sign abnormalities (heart rate, respiratory rate, blood pressure, oxygen saturation, temperature), ability to eat, and normal mentation — and for no fewer than 5 days total. Most patients achieve stability within the first 48–72 hours.

Instant Access to Structured Evidence-Based Regimens

References

For healthy outpatient adults without comorbidities listed below or risk factors for antibiotic resistant pathogens, we recommend (Table 3).

Comorbidities include chronic heart, lung, liver, or renal disease; diabetes mellitus; alcoholism; malignancy; or asplenia. Risk factors include prior respiratory isolation of MRSA or P. aeruginosa or recent hospitalization AND receipt of parenteral antibiotics (in the last 90 d).

We recommend that the duration of antibiotic therapy should be guided by a validated measure of clinical stability (resolution of vital sign abnormalities [heart rate, respiratory rate, blood pressure, oxygen saturation, and temperature], ability to eat, and normal mentation), and antibiotic therapy should be continued until the patient achieves stability and for no less than a total of 5 days (strong recommendation, moderate quality of evidence). As most patients will achieve clinical stability within the first 48 to 72 hours, a total duration of therapy of 5 days will be appropriate for most patients.

DOI: 10.1164/rccm.201908-1581ST View source ↗