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Noroxin (Norfloxacin)

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Generic Noroxin medication belongs to a class of drugs called quinolone antibiotics. Generic Noroxin is used to treat a variety of bacterial infections. Generic Noroxin works by stopping the growth of bacteria.

Other names for this medication:
Ambigram, Danilon, Gyrablock, Loxone, Nolicin, Norbactin, Norflohexal, Norfloxacin, Norilet, Normax, Noroxine, Oranor, Uroflox, Uroxacin

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Also known as:  Norfloxacin.


Generic Noroxin medication belongs to a class of drugs called quinolone antibiotics. Generic Noroxin works by stopping the growth of bacteria.

Generic Noroxin should not be used for colds, flu, other virus infections, sore throats or other minor infections, or to prevent infections.

Noroxin is also known as Norfloxacin, Norfloxacine, Apo-Norflox, Norflohexal, Roxin, Utinor.

Generic name of Generic Noroxin is Norfloxacin.

Brand name of Generic Noroxin is Noroxin.


Take Generic Noroxin orally with a full glass of water.

Take Generic Noroxin usually twice a day, at least 1 hour before or at least 2 hours after a meal or dairy products (e.g., milk, yogurt).

Take Generic Noroxin 2 hours before or 2 hours after taking any products containing magnesium, aluminum or calcium.

The dosage of tablets depends on the disease and its prescribed treatment.

If you want to achieve most effective results do not stop taking Generic Noroxin suddenly.


If you overdose Generic Noroxin and you don't feel good you should visit your doctor or health care provider immediately.


Store at room temperature between 15 and 30 degrees C (59 and 86 degrees F) away from moisture and heat. Keep bottle closed tightly. Throw away any unused medicine after the expiration date. Keep out of the reach of children.

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Side effect occurrence does not only depend on medication you are taking, but also on your overall health and other factors.


Do not take Generic Noroxin if you are allergic to Generic Noroxin components or to quinolone antibiotics such as ciprofloxacin, gatifloxacin, gemifloxacin, levofloxacin, lomefloxacin, moxifloxacin or ofloxacin.

Generic Noroxin should not be used for colds, flu, other virus infections, sore throats or other minor infections, or to prevent infections.

Be careful if you are pregnant, planning to become pregnant, or are breast-feeding.

Be careful if you are taking any prescription or nonprescription medicine, herbal preparation, or dietary supplement.

Be careful if you have seizures, brain disorders (e.g., cerebral arteriosclerosis, tumor, increased intracranial pressure), muscle disease/weakness (e.g., myasthenia gravis), heart problems (e.g., cardiomyopathy, slow heart rate, torsades de pointes, QTc interval prolongation), kidney disease, mineral imbalance (e.g., low potassium or magnesium), history of tendonitis/tendon problems.

When you take Generic Noroxin you should drink plenty of fluids.

Avoid alcohol and beverages containing caffeine (coffee, tea, colas), do not eat large amounts of chocolate.

Avoid prolonged sun exposure, tanning booths or sunlamps. Use a sunscreen and wear protective clothing when outdoors.

It can be dangerous to stop Generic Noroxin taking suddenly.

buy noroxin online

Streptococcus suis is an emerging zoonotic pathogen. With the lack of an effective vaccine, antibiotics remain the main tool to fight infections caused by this pathogen. We have previously observed a reserpine-sensitive fluoroquinolone (FQ) efflux phenotype in this species. Here, SatAB and SmrA, two pumps belonging to the ATP binding cassette (ABC) and the major facilitator superfamily (MFS), respectively, have been analyzed in the fluoroquinolone-resistant clinical isolate BB1013. Genes encoding these pumps were overexpressed either constitutively or in the presence of ciprofloxacin in this strain. These genes could not be cloned in plasmids in Escherichia coli despite strong expression repression. Finally, site-directed insertion of smrA and satAB in the amy locus of the Bacillus subtilis chromosome using ligated PCR amplicons allowed for the functional expression and study of both pumps. Results showed that SatAB is a narrow-spectrum fluoroquinolone exporter (norfloxacin and ciprofloxacin), susceptible to reserpine, whereas SmrA was not involved in fluoroquinolone resistance. Chromosomal integration in Bacillus is a novel method for studying efflux pumps from Gram-positive bacteria, which enabled us to demonstrate the possible role of SatAB, and not SmrA, in fluoroquinolone efflux in S. suis.

noroxin urinary tract infection

The NorA protein of Staphylococcus aureus mediates the active efflux of hydrophilic fluoroquinolones from the cell, conferring low-level resistance upon the organism. The protein also is capable of transporting additional structurally diverse compounds, indicating that it has a broad substrate specificity. Increased transcription of the norA gene, leading to a greater quantity of the NorA protein within the cytoplasmic membrane, is felt to be the mechanism by which strains possessing such changes resist fluoroquinolones. S. aureus SA-1199 and its in vivo-selected derivative SA-1199B are fluoroquinolone-susceptible and -resistant isolates, respectively; SA-1199B resists hydrophilic fluoroquinolones via a NorA-mediated mediated mechanism in a constitutive manner. SA-1199-3 is an in vitro-produced derivative of SA-1199 in which NorA-mediated multidrug resistance is expressed inducibly. Compared with organisms exposed to subinhibitory concentrations of a NorA substrate for the first time, preexposure of SA-1199-3 to such a compound followed by growth in the presence of that substrate results in the elimination of a 2- to 6-h period of organism killing that occurs prior to the onset of logarithmic growth. The uptake of radiolabeled fluoroquinolone is markedly reduced by preexposure of SA-1199-3 to NorA substrates: such prior exposure also results in a dramatic increase in RNa transcripts that hybridize with a norA probe. Preexposure of SA-1199 and SA-1199B to such substrates results in small increases or no increases in these transcripts. No sequence differences between SA-1199 and SA-1199-3 within the norA gene or flanking DNA were found. It appears likely that the regulation of norA in SA-1193, which may be effected by one or more genetic loci outside the norA region of the chromosome, differs from that of SA-1199 and SA-1199B.

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A sample preparation and analytical method with accelerated solvent extraction (ASE) and high performance liquid chromatography-tandem mass spectrometry (HPLC-MS/ MS) was developed to detect 19 antibiotic (9 sulfonamides, 4 quinolones, 3 macrolides and 3 others) and 2 sulfonamide metabolite residues in fish muscle. The target compounds were extracted using ASE and purified simultaneously by a C18 resin in the extraction cell. The extracts were evaporated to dryness, and redissolved with the initial mobile phase for HPLC-MS/MS analysis after freezing centrifugation (10,000 r/min, -4 °C) to remove the fat and other matrix compounds further. The separation of the analytes was carried out on an Xterra MS C18 column with methanol-acetonitrile (1:1, v/v) as mobile phase A and 0. 1% formic acid (containing 0. 1% ammonium formate) as mobile phase B. The spiked recoveries of the method were 55. 2%-113. 3%, with the relative standard deviations of 0. 1% - 17. 6% (n = 6). The limits of detection ranged from 0. 003 to 0. 6 ng/g. The method was applied to two fish (Synechogobius hasta and Liza haematocheilus) collected in mariculture areas of Laizhou Bay and six antibiotics were detected, in which the mass concentrations of norfloxacin were highest with mean values of 67. 01 and 27. 58 ng/g, respectively. The method is simple, rapid, highly sensitive, and useful in the study on exposure levels and environmental behavior of the antibiotics.

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Helaeomyia petrolei (oil fly) larvae inhabit the asphalt seeps of Rancho La Brea in Los Angeles, Calif. The culturable microbial gut contents of larvae collected from the viscous oil were recently examined, and the majority (9 of 14) of the strains were identified as Providencia spp. Subsequently, 12 of the bacterial strains isolated were tested for their resistance or sensitivity to 23 commonly used antibiotics. All nine strains classified as Providencia rettgeri exhibited dramatic resistance to tetracycline, vancomycin, bacitracin, erythromycin, novobiocin, polymyxin, colistin, and nitrofurantoin. Eight of nine Providencia strains showed resistance to spectinomycin, six of nine showed resistance to chloramphenicol, and five of nine showed resistance to neomycin. All 12 isolates were sensitive to nalidixic acid, streptomycin, norfloxacin, aztreonam, cipericillin, pipericillin, and cefotaxime, and all but OF008 (Morganella morganii) were sensitive to ampicillin and cefoxitin. The oil fly bacteria were not resistant to multiple antibiotics due to an elevated mutation rate. For each bacterium, the number of resistant mutants per 10(8) cells was determined separately on rifampin, nalidixic acid, and spectinomycin. In each case, the average frequencies of resistant colonies were at least 50-fold lower than those established for known mutator strain ECOR 48. In addition, the oil fly bacteria do not appear to excrete antimicrobial agents. When tested, none of the oil fly bacteria produced detectable zones of inhibition on Pseudomonas aeruginosa, Escherichia coli, Staphylococcus aureus, or Candida albicans cultures. Furthermore, the resistance properties of oil fly bacteria extended to organic solvents as well as antibiotics. When pre-exposed to 20 microg of tetracycline per ml, seven of nine oil fly bacteria tolerated overlays of 100% cyclohexane, six of nine tolerated 10% xylene, benzene, or toluene (10:90 in cyclohexane), and three of nine (OF007, OF010, and OF011) tolerated overlays of 50% xylene-50% cyclohexane. The observed correlation between antibiotic resistance and organic solvent tolerance is likely explained by an active efflux pump that is maintained in oil fly bacteria by the constant selective pressure of La Brea's solvent-rich environment. We suggest that the oil fly bacteria and their genes for solvent tolerance may provide a microbial reservoir of antibiotic resistance genes.

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We tested ciprofloxacin, a new quinoline derivative, against 783 gram-positive and gram-negative bacteria utilizing either standardized microbroth or agar dilution methods. Ciprofloxacin activity was compared to that of cephalosporins, enoxacin, norfloxacin, ampicillin, chloramphenicol, tobramycin, ticarcillin, erythromycin and trimethoprim/sulfamethoxazole. MIC90 values (range) in micrograms/ml were: Pseudomonas aeruginosa = 1 (less than or equal to 0.015-8); Staphylococcus spp. = 0.12 (less than or equal to 0.015-1); Enterobacteriaceae = 0.03 (less than or equal to 0.015-1); Haemophilus influenzae = 0.015 (less than or equal to 0.004-0.03); Streptococcus faecalis = 2 (0.5-4). The MIC90 of ciprofloxacin for 98 tobramycin-resistant isolates was 2.0 micrograms/ml. Ciprofloxacin was stable at temperatures of 35, 22, 4, -20 and -70 degrees C for up to 15 weeks. Varying the inoculum from 10(3) to 10(7) colony forming units per ml or the pH from 6-9 resulted in no increase in the MIC. Of the new quinoline derivatives tested, ciprofloxacin demonstrated consistently superior antibacterial activity. Ciprofloxacin may be particularly effective for oral administration in infections requiring prolonged antibiotic therapy, such as bone, joint, and complicated soft tissue infections, and in pulmonary infections in patients with cystic fibrosis.

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A high performance liquid chromatography (HPLC) method has been developed for the simultaneous determination of four fluoroquinolones. The studied compounds have been enoxacin (ENO), norfloxacin (NOR), ofloxacin (OFLO) and enrofloxacin (ENRO). An isocratic elution method, using a mixture of tetrahydrofuran (8%) and phosphate buffer (pH 3.00, 30.0mM, 92%) as mobile phase, has been developed. Fluorimetric detection, exciting at 277nm, and multiemission scan (407nm for ENO, 444nm for both NOR and ENRO and 490nm for OFLO) has been used. Detection limits of 500, 14.7, 25.2 and 15.0ngmL(-1) for ENO, NOR, OFLO and ENRO, respectively, have been obtained. The proposed method has been satisfactorily applied to analyze NOR, OFLO and ENRO in human urine and serum samples.

noroxin antibiotics

A series of 1,2,3-triazole-derived naphthalimides as a novel type of potential antimicrobial agents were synthesized and characterized by IR, NMR and HRMS spectra. All the new compounds were screened for their antimicrobial activity against four Gram-positive bacteria, four Gram-negative bacteria and three fungi. Bioactive assay manifested that 3,4-dichlorobenzyl compound 9e and its corresponding hydrochloride 11e showed better anti-Escherichia coli activity than Norfloxacin and Chloromycin. Preliminary research revealed that compound 9e could effectively intercalate into calf thymus DNA to form compound 9e-DNA complex which might block DNA replication and thus exert antimicrobial activities. Human serum albumin could effectively store and carry compound 9e by electrostatic interaction.

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A first comparative in vitro study of Cefotaxime and Ceftriaxone activities on thirteen species of Algerian bacteria is done. These two third generation Cephalosporins have the same activity. A second comparative study of two Quinolones (Pefloxacin, Norfloxacin ) and a Penicillin (Imipenem) is done. Imipenem give satisfying results and is very stable against beta lactamases. In vitro Norfloxacin has a better activity than Pefloxacin.

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Fosfomycin tromethamine is an oral antimicrobial indicated for the treatment of uncomplicated lower UTIs. This agent is active in the urine against common uropathogens that are associated with cystitis in women, including organisms resistant to other antibiotics. A single dose of fosfomycin tromethamine is well absorbed and produces therapeutic concentrations in the urine for 2-4 days. Comparative clinical trials suggest that a single dose of fosfomycin tromethamine 3.0 g is as clinically effective as 7- to 10-day treatment regimens of standard agents used to treat UTIs, such as nitrofurantoin, norfloxacin, and trimethoprim/sulfamethoxazole. Fosfomycin tromethamine is well tolerated and appears safe to use during pregnancy.

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Sixty-six patients with tonsillitis or pharyngolaryngitis received oral norfloxacin (NFLX) 200 mg b.i.d. or 300 mg b.i.d. for not less than 3 days in general at School of Medicine, Yokohama City University, and 6 related hospitals. The results are summarized as follows: 1. Ten patients were excluded from the study because 4 patients did not present at the follow-up visits, 4 patients did not follow the protocol and 2 patients had unclear infections. Thus, 56 patients were evaluated. 2. The fifty-six evaluable patients were classified as follows: Twenty patients were with tonsillitis and 36 were with pharyngolaryngitis. Thirty-eight patients were treated with 200 mg b.i.d. while 18 patients received 300 mg b.i.d. Thirty-two patients were male and 24 patients were female. Three patients were inpatients and 53 patients were outpatients. Most of patients were light or moderate cases, and the 26 patients had mild underlying disorders. 3. Clinical improvements were observed in 11 of 15 patients (73.3%) with tonsillitis and 25 of 30 patients (83.3%) with pharyngolaryngitis (80.0% overall) within 7 days administration. 4. Clinical improvements were observed in 15 of all 20 patients (75.0%) with tonsillitis and 30 of all 36 patients (83.3%) with pharyngolaryngitis (80.4% overall). 5. Bacteriologically, "eradication", "decrease" and "replacement" were observed in 6, 2 and 1 patients, respectively. 6. As for adverse effects, nausea and headache were observed in 1 patient and abnormal changes in laboratory findings were noted in 1 patient (slight elevations of GOT and GPT). 7. Oral NFLX 200 mg b.i.d. or 300 mg b.i.d. was as almost equally effective as 200 mg t.i.d. in tonsillitis or pharyngolaryngitis. Thus NFLX 200 mg b.i.d. or 300 mg b.i.d. appears to give sufficient clinical efficiency. 8. When antibacterial activity and serum half-life of NFLX are considered, twice daily administration was confirmed to be sufficiently effective in the clinical application.

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noroxin urinary tract infection 2016-06-26

The MI90 of LVF and TOB (4 mg/L) to Staphylococcus aureus strains were the lowest. CIP showed the lowest MIC90 (0.25 mg/L) to Pseudomonas aeruginosa among six kinds of antibacterial agents. The MIC90 of LVF to Staphylococcus epidermidis (256 mg/L), Streptococcus pneumoniae (1 mg/L) and Klebsiella pneumoniae (0.25 mg/L) were lower than other antibacterial agents. The MPC90, MSW and the MPC90/MIC90 of levofloxacin showed lower values compared with other antibacterial medicines. From all the datum, the MIC90 of CHL was the highest and the activity was the weakest. Although the activity Optamox Duo Comprimidos 500 Mg Precio of LVF was higher to every kind of bacteria, CIP had the highest activity antibacterial to Pseudomonas aeruginosa. The capacity of CHL and TOB was weaker than Quinolones for restricting resistant mutants on ocular bacteria. LVF had the strongest capacity for restricting resistant mutants among Quinolones.

noroxin tablets 400 mg 2015-07-22

The efficacy of norfloxacin 400 mg every 12 hours for 7 days was prospectively and openly studied among patients with urinary tract infection. Enrolled were 30 patients based on inclusion and exclusion criteria. 23 patients completed the study and were evaluated for efficacy and tolerability with urinary infections defined as a bacterial count of at least 10(5) bacterial per ml of urine. Follow-up urine cultures at 14-21 days and 4-6 weeks post-treatment were done. 21 of 23 were cured and this was a cure rate of 91%. There were no clinical adverse effects which necessitated cessation of treatment. In vitro test studies were carried out to compare the activity of norfloxacin with commonly used antimicrobials as well as to observe its activity against other organisms which are not normally urinary pathogens. In this aspect of the study, norfloxacin was found to be superior to eleven other antimicrobials with which it was compared. This study showed that drug is very active against urinary and Hifen O Tablet enteric pathogens.

noroxin antibiotics 2016-01-01

Among the 139, 19 (13.7 %) were positive for GBS. All the GBS isolates were susceptible (100 %) to penicillin G, vancomycin, ampicillin, erythromycin and gentamicin. Two of the GBS isolates showed multidrug Amoxil Suspension Shelf Life resistance against norfloxacin and ciprofloxacin. No statistically significant difference was observed for GBS colonization with any independent variables.

noroxin antibiotic 2017-03-02

This study was performed to determine the prevalence of toxigenic C. difficile in beef and mutton meats consumed as human food in Isfahan, central part of Iran Mediklin Obat Jerawat Review . Furthermore the polymerase chain reaction (PCR)-ribotyping employed to compare the genetic pattern of positive isolates in meat with clinical ones.

noroxin bladder infection 2015-08-05

Vibriosis is a common bacterial disease that can cause high mortality and morbidity in farmed shrimp. Since compounds from seaweed have been reported to have anti-bacterial and immunostimulant activity, this study was conducted to determine whether solvent extracts from the red seaweed Gracilaria fisheri might be a possible alternative for prevention and treatment of shrimp vibriosis caused by Vibrio harveyi. Seaweed extracts prepared using ethanol, methanol, chloroform and hexane were evaluated for anti-V. harveyi activity by the disc-diffusion method. The ethanol, methanol and chloroform extracts showed activity against a virulent strain of V. harveyi with potency (minimal inhibitory concentrations in the range of 90-190 μg ml(-1)) equivalent to the antibiotic norfloxacin. The ethanol extract was not toxic to the brine shrimp Artemia salina when it was fed to them for enrichment prior to their use, in turn, as feed for postlarvae of Penaeus monodon. Postlarvae fed with these enriched Artemia gave significantly lower mortality than control postlarvae after challenge with V. harveyi. In addition, P. monodon juveniles injected with the ethanol extract showed a significant increase in the total number of haemocytes and an increased proportion of semi-granulocytes and granulocytes when compared to control shrimp. The activities of phenoloxidase and superoxide dismutase were also increased, with an accompanying increase in superoxide anion production. When these juvenile shrimp were challenged with V. harveyi, mortality was markedly reduced compared to that of control shrimp. The results indicated that ethanol extracts of G. fisheri had immunostimulant and antimicrobial activity that could protect P. monodon against Azithromycin Tablets V. harveyi.

is noroxin a sulfa drug 2016-03-30

The isolated S. Choleraesuis were resistant to more than 10% of the antimicrobial agents used in this study. Appropriate surveillance is warranted to gain more information about the epidemiology, as Duricef 500 Mg Usos stopping antibiotics in animal feed would have economic implications for the industry.

noroxin 400 mg dose 2017-03-16

Although further studies are needed, the routine culture of ascitic fluid in asymptomatic outpatients with refractory ascites requiring therapeutic paracentesis may not be necessary when there is a Is Norfloxacin A Broad Spectrum Antibiotic low index of suspicion for occult infection. In circumstances of clinical uncertainty, however, obtaining ascitic fluid cell counts with differential is recommended to insure patient safety.

use of noroxin tablet 2015-05-31

MICs of ciprofloxacin for planktonic and attached bacteria were equal. MICs values for the others fluoroquinolones increased two or more times when bacterial biofilms were used as inocula, except for ofloxacin and E. coli CBR-4, trovafloxacin and E. Amobay Cl Suspension Dosis coli CBR-3, and levofloxacin and trovafloxacin and P. aeruginosa PBR-4; in these cases the MIC values for planktonic and attached bacteria were similar. When bacteria attached to siliconized latex were used as inocula, MBCs values increased 8-> 4,096-fold for all the fluoroquinolones evaluated.