Farmakologik xususiyatlari
Antibakterial preparat florokinolonlar guruhiga kiruvchi keng spektrli ta'sirga ega. Levofloksatsin DNK-girazani (topoizomeraza II) va topoizomeraza IV ni bloklaydi, superspiralizatsiyani va DNK uzilishlarini tiklashni buzadi, DNK sintezini bostiradi, sitoplazmada, hujayra devorida va mikroorganizmlar membranalarida chuqur morfologik o'zgarishlarni keltirib chiqaradi.
Preparat aerob gram-musbat mikroorganizmlarga nisbatan faol: Corynebacterium diphtheriae, Enterococcus spp. (shu jumladan Enterococcus faecalis), Listeria monocytogenes, Staphylococcus spp. (koagulaza-negativ, shu jumladan metitsillin sezgir/metitsillin o'rtacha sezgir shtammlar), Staphylococcus aureus (metitsillin sezgir shtammlar), Staphylococcus epidermidis (metitsillin sezgir shtammlar), Streptococcus spp. guruh C va G, Streptococcus agalactiae, Streptococcus pneumoniae (penitsillin-sezgir/o'rtacha-sezgir/rezistent shtammlar), Streptococcus pyogenes, Streptococcus viridans (penitsillin-o'rtacha-sezgir/rezistent shtammlar); aerob gram-manfiy mikroorganizmlar: Acinetobacter spp. (shu jumladan Acinetobacter baumannii), Actinobacillus actinomycetemcomitans, Citrobacter freundii, Eikenella corrodens, Enterobacter spp. (shu jumladan Enterobacter aerogenes, Enterobacter agglomerans, Enterobacter cloacae), Escherichia coli, Gardnerella vaginalis, Haemophilus ducreyi, Haemophilus influenzae (ampitsillin-sezgir/rezistent shtammlar), Haemophilus parainfluenzae, Helicobacter pylori, Klebsiella spp. (shu jumladan Klebsiella oxytoca, Klebsiella pneumoniae), Moraxella catarrhalis (β-laktamazani ishlab chiqaruvchi va ishlab chiqarmaydigan), Morganella morganii, Neisseria gonorrhoeae (penitsillinaza ishlab chiqaruvchi va ishlab chiqarmaydigan), Neisseria meningitidis, Pasteurella spp. (shu jumladan Pasteurella conis, Pasteurella dagmatis, Pasteurella multocida), Proteus mirabilis, Proteus vulgaris, Providencia spp. (shu jumladan Providencia rettgeri, Providencia stuartii), Pseudomonas spp. (shu jumladan Pseudomonas aeruginosa), Salmonella spp., Serratia spp. (shu jumladan Serratia marcescens); anaerob mikroorganizmlar: Bacteroides fragilis, Bifidobacterium spp., Clostridium perfringens, Fusobacterium spp., Peptostreptococcus spp., Propionibacterium spp., Veilonella spp.; boshqa mikroorganizmlar: Bartonella spp., Chlamydia pneumoniae, Chlamydia psittaci, Chlamydia trachomatis, Legionella pneumophila, Legionella spp., Mycobacterium spp. (shu jumladan Mycobacterium leprae, Mycobacterium tuberculosis), Mycoplasma hominis, Mycoplasma pneumoniae, Rickettsia spp., Ureaplasma urealyticum.