Clinical presentation | Suspected pathogen | Recommended antibiotic treatment |
---|---|---|
WBC, white blood cells; PMN, polymorphonuclear leucocytes. | ||
*Mycoplasma pneumoniae, Legionella pneumophila, Chlamydia pneumoniae/psitacci. | ||
Acute illness, lobar infiltrate, raised WBC with an increase in PMNs | Streptococcus pneumoniae | Penicillin |
Mild illness, headache, upper airway tract symptoms, young age, travel to southern Europe, contact with animals | Atypical bacterial pathogen* | Erythromycin |
Co-morbid illness, alcohol abuse, aspiration | S pneumoniae, Haemophilus influenzae, Moraxella catarrhalis, Gram negative Enterobacteriaceae, anaerobes | Amoxicillin-clavulanate |
Influenza epidemic | Staphylococcus aureus | Flucloxacillin ± gentamicin |