Most likely pneumonia bug in old smokers with COPD? Treatment?
a) Streptococcus pneumoniae; Azithromycin + Ceftriaxone or cefotaxime
b) Haemophilus influenzae; Ciprofloxacin + Ampicillin + Gentamicin
c) Mycoplasma pneumoniae; Doxycycline + Ceftriaxone or cefotaxime
d) Moraxella catarrhalis; Amoxicillin-clavulanate