Farmakologik xususiyatlari
Levofloksatsin - keng spektrli mikroblarga qarshi bakteritsid vosita, florokinolonlar guruhidan. DNK-girazani (topoizomeraza II) va topoizomeraza IV ni bloklaydi, superspiralizatsiyani va DNK uzilishlarini tiklashni buzadi, DNK sintezini bostiradi, sitoplazmada, hujayra devorida va bakteriyalar membranalarida chuqur morfologik o'zgarishlarni keltirib chiqaradi.
Preparatga in vitro sezgir (minimal bostiruvchi konsentratsiya 2 mg/l dan kam):
Aerob gram-musbat mikroorganizmlar: Corynebacterium diphtheriae, Enterococcus spp. (shu jumladan Enterococcus faecalis), Listeria monocytogenes, Staphylococcus spp. (leykotoksinli, koagulaza-negativ metitsillin-sezgir/o'rtacha sezgir shtammlar), shu jumladan 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 spp. guruh viridans (penitsillin-sezgir/rezistent shtammlar).
Aerob gram-manfiy mikroorganizmlar: Acinetobacter spp. (shu jumladan Acinetobacter baumannii), Actinobacillus actinomycetemcomitans, Citrobacter freundii, Eikenella corrodens, Enterobacter spp. (shu jumladan Enterobacter cloacae, Enterobacter aerogenes, Enterobacter agglomerans), 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 (beta-laktamazani ishlab chiqaruvchi va ishlab chiqarmaydigan shtammlar), Morganella morganii, Neisseria gonorrhoeae (shu jumladan penitsillinazani ishlab chiqaruvchi va ishlab chiqarmaydigan shtammlar), Neisseria meningitidis, Pasteurella spp. (shu jumladan Pasteurella canis, 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., Veillonella spp.
Boshqa mikroorganizmlar: Bartonella spp., Chlamydia pneumoniae, Chlamydia psittaci, Chlamydia trachomatis, Legionella pneumophila, Mycobacterium spp. (shu jumladan Mycobacterium leprae, Mycobacterium tuberculosis), Mycoplasma hominis, Mycoplasma pneumoniae, Ricketsia spp., Ureaplasma urealyticum.
O'rtacha sezgir mikroorganizmlar (minimal bostiruvchi konsentratsiya 4 mg/l dan ko'p):
Aerob gram-musbat mikroorganizmlar: Corynebacterium urealyticum, Corynebacterium xerosis, Enterococcus faecium, Staphylococcus epidermidis (metitsillin-rezistent shtammlar), Staphylococcus haemolyticus (metitsillin-rezistent shtammlar).
Aerob gram-manfiy mikroorganizmlar: Burkholderia cepacia, Campylobacter jejuni, Campylobacter coli.
Anaerob mikroorganizmlar: Bacteroides thetaiotaomicron, Bacteroides vulgatus, Bacteroides ovatus, Prevotella spp., Porphyromonas spp.
Barqaror mikroorganizmlar (minimal bostiruvchi konsentratsiya 8 mg/l dan ko'p):
Aerob gram-musbat mikroorganizmlar: Corynebacterium jeikeium, Staphylococcus aureus (metitsillin-rezistent shtammlar), boshqa Staphylococcus spp. (koagulaza-negativ metitsillin-rezistent shtammlar).
Aerob gram-manfiy mikroorganizmlar: Alcaligenes xylosoxidans.
Boshqa mikroorganizmlar: Mycobacterium avium.