Inflammatory paranasal diseases are among the most common diseases in ENT In Russia, puncture method has been conventional approach to treatment of maxillary sinusitis. However, this procedure is associated with a number of drawbacks A promising trend for the treatment of purulent sinusitis is a reasonable antibacterial therapy Fluoroquinolones, particularly levofloxacin, are highly active against pneumonocci and are more active vs. the drug products of the second generation against intracellular agents (Chlamydia spp., Mycoplasma spp., M. tuberculosis, rapidly growing atypical mycobacteria (M. avium, etc.).