Moxifloxacin is a 4th generation fluoroquinolone antibiotic. It is highly effective against respiratory pathogens like Streptococcus pneumoniae and atypical bacteria. It achieves high concentrations in the lungs and has benefits like once daily dosing. Studies show moxifloxacin provides faster clinical recovery than other antibiotics for respiratory infections and has excellent eradication rates of causative pathogens. It has a low risk of resistance and side effects are typically mild.