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Uroxacin (Noroxin)

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Uroxacin is in a group of antibiotics called fluoroquinolones (flor-o-KWIN-o-lones). Uroxacin fights bacteria in the body. Uroxacin is used to treat bacterial infections of the prostate and urinary tract. Uroxacin also treats gonorrhea. Uroxacin may also be used for purposes not listed in this medication guide.

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

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Cipro, Levaquin, Quixin, Tequin, Avelox, Ocuflox

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Also known as:  Noroxin.


Uroxacin comes as a tablet to take by mouth. It is usually taken twice a day for 3 to 28 days. The length of treatment depends on the type of infection being treated. Your doctor will tell you how long to take Uroxacin. Take Uroxacin at around the same times every day and try to space your doses 12 hours apart. Follow the directions on your prescription label carefully, and ask your doctor or pharmacist to explain any part you do not understand. Take Uroxacin exactly as directed. Do not take more or less of it or take it more often than prescribed by your doctor.

Take Uroxacin at least 1 hour before or 2 hours after meals or after drinking milk or eating dairy products.

Swallow the tablets with a full glass of water.

You should begin to feel better during the first few days of your treatment with Uroxacin. If your symptoms do not improve or if they get worse, call your doctor.

Take Uroxacin until you finish the prescription, even if you feel better. Do not stop taking Uroxacin without talking to your doctor unless you experience certain serious side effects listed in the IMPORTANT WARNING or SIDE EFFECT sections. If you stop taking Uroxacin too soon or if you skip doses, your infection may not be completely treated and the bacteria may become resistant to antibiotics.

Uroxacin is also sometimes used to treat certain infections of the stomach and intestines. Talk to your doctor about the risks of using this medication for your condition.

This medication may be prescribed for other uses; ask your doctor or pharmacist for more information.


Before taking Uroxacin tell your doctor and pharmacist if you are allergic or have had a severe reaction to Uroxacin; other quinolone or fluoroquinolone antibiotics such as ciprofloxacin (Cipro), gatifloxacin (Tequin) (not available in the U.S.), gemifloxacin (Factive), levofloxacin (Levaquin), lomefloxacin (Maxaquin) (not available in the U.S.), moxifloxacin (Avelox), nalidixic acid (NegGram), ofloxacin (Floxin), and sparfloxacin (Zagam) (not available in the U.S.), or any other medications.

Tell your doctor and pharmacist what other prescription and nonprescription medications, vitamins, herbal products, and nutritional supplements you are taking or plan to take. Be sure to mention the medications listed in the IMPORTANT WARNING section and any of the following: other antibiotics; anticoagulants ('blood thinners') such as warfarin (Coumadin, Jantoven); certain antidepressants; antipsychotics (medications to treat mental illness); caffeine or medications that contain caffeine (Excedrin, NoDoz, Vivarin, others); cisapride (Propulsid) (not available in the U.S.); clozapine (Clozaril, Fazaclo); cyclosporine (Gengraf, Neoral, Sandimmune); diuretics ('water pills'); erythromycin (E.E.S, E-Mycin, Erythrocin, others); glyburide (DiaBeta, in Glucovance, Micronase, others); certain medications for irregular heartbeat such as amiodarone (Cordarone), procainamide (Procanbid), quinidine, and sotalol (Betapace, Betapace AF, Sorine); nitrofurantoin (Furadantin, Macrobid, Macrodantin); probenecid (in Col-Probenecid, Probalan); nonsteroidal anti-inflammatory drugs (NSAIDs) such as ibuprofen (Advil, Motrin, others) and naproxen (Aleve, Naprosyn, others); ropinirole (Requip); tacrine (Cognex); theophylline (Elixophyllin, Theo-24, Uniphyl, others); and tizanidine (Zanaflex). Your doctor may need to change the doses of your medications or monitor you carefully for side effects.

If you are taking antacids containing aluminum hydroxide or magnesium hydroxide (Maalox, Mylanta, Tums, others), didanosine (Videx) sucralfate (Carafate), or supplements or multivitamins that contain iron or zinc, take these medications 2 hours before or 2 hours after you take Uroxacin.

Tell your doctor if you or anyone in your family has or has ever had a prolonged QT interval (a rare heart problem that may cause irregular heartbeat, fainting or sudden death) or an irregular heartbeat and if you have or have ever had nerve problems, a low level of potassium in your blood, a slow heartbeat, chest pain, seizures, myasthenia gravis (condition that causes weakness of certain muscles), cerebral arteriosclerosis (narrowing of blood vessels in or near the brain that can lead to stroke or mini-stroke), or glucose-6-phosphate dehydrogenase (G-6PD) deficiency (an inherited blood disorder).

Tell your doctor if you are pregnant, plan to become pregnant, or are breast-feeding. If you become pregnant while taking Uroxacin, call your doctor.

You should know that this medication may cause dizziness, lightheadedness, and tiredness. Do not drive a car, operate machinery, or participate in activities requiring alertness and coordination until you know how Uroxacin affects you.

Plan to avoid unnecessary or prolonged exposure to sunlight or ultraviolet light (tanning beds and sunlamps) and to wear protective clothing, sunglasses, and sunscreen. Uroxacin may make your skin sensitive to sunlight or ultraviolet light. If your skin becomes reddened, swollen, or blistered, call your doctor.


If you overdose Generic Uroxacin 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.

Side effects

The most common side effects associated with Uroxacin are:

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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.


You may be taking certain other medicines that should not be taken at the same time as norfloxacin. Avoid taking the following medicines within 2 hours before or after you take norfloxacin. These other medicines can make norfloxacin much less effective when taken at the same time: antacids that contain magnesium or aluminum (such as Maalox, Mylanta, or Rolaids); the ulcer medicine sucralfate (Carafate); didanosine (Videx) powder or chewable tablets; or vitamin or mineral supplements that contain iron or zinc.

Avoid caffeine while you are taking norfloxacin, because the medication can make the effects of caffeine stronger.

Avoid exposure to sunlight or tanning beds. Norfloxacin can make you sunburn more easily. Wear protective clothing and use sunscreen (SPF 30 or higher) when you are outdoors. Call your doctor if you have severe burning, redness, itching, rash, or swelling after being in the sun.

Antibiotic medicines can cause diarrhea, which may be a sign of a new infection. If you have diarrhea that is watery or bloody, stop taking norfloxacin and call your doctor. Do not use anti-diarrhea medicine unless your doctor tells you to.

Norfloxacin may impair your thinking or reactions. Be careful if you drive or do anything that requires you to be alert.

uroxacin norfloxacina 400 mg para que sirve

The three messages which seem to be essential for an optimal use of fluoroquinolones in UTIs are: no treatment for bacterial colonisation (asymptomatic bacteriuria) except for specific cases, no indication for fluoroquinolones in non-complicated acute cystitis and for elderly women, UTI is complicated only if it occurs in women with co-morbidities regardless of age.

uroxacin 400 mg posologia

A retrospective study was conducted to find out the causative agents of urinary tract infection (UTI) in children and their antibiotic sensitivity pattern among Nepalese children. This was done at Kanti Children's Hospital in Kathmandu (Nepal) by analyzing the records of urine samples collected for culture and sensitivity tests over a period of six months (April to November, 2007). Of the total 1878 mid-stream urine samples collected from suspected cases of UTI, 538 (28.6%) were positive for pathogenic organisms. There was no significant difference in growth positive rate in two genders (M: 51.7% and F: 48.3%). Of the various pathogenic organisms isolated, Escherichia coli constituted for 93.3% followed by Proteus sp, Klebsiella sp, Citrobacter sp, Staphylococcus aureus and others. E. coli was found to be most sensitive to amikacin, chloramphenicol, nitrofurantoin and ofloxacin and least sensitive to most commonly used drugs like cephalexin, nalidixic acid, cotrimoxazole and norfloxacin.

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Bacterial vaginosis, candidiasis and trichomoniasis are a common problem in women of reproductive age. Therefore, screening of vaginal infections in women of reproductive age should be implemented. Moreover, ciprofloxacin, norfloxacin and gentamicin are the recommended drugs for empiric therapy and prophylaxis as needed.

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Several chemical compounds isolated from natural sources have antibacterial activity and some enhance the antibacterial activity of antibiotics reversing the natural resistance of bacteria to certain antibiotics. In this study, the hexane and methanol extract of Cordia verbenaceae were assessed for antibacterial activity alone and combinated with norfloxacin against the Staphylococcus aureus strain SA1199B.

uroxacin 400 mg norfloxacina

This study was conducted to examine a current baseline profile of antimicrobial resistance and virulence of Escherichia coli isolated from foods commonly sold in the market place in Vietnam. E. coli were isolated from 180 samples of raw meat, poultry and shellfish and also isolated from 43 chicken faeces samples. Ninety-nine E. coli isolates recovered from all sources were selected for the investigation of their susceptibility to 15 antimicrobial agents by the disk diffusion method. Eighty-four percent of the isolates were resistant to one or more antibiotics, and multi-resistance, defined as resistance to at least 3 different classes of antibiotics, was detected in all sources. The rates of multi-resistance were up to 89.5% in chicken, 95% in chicken faeces and 75% in pork isolates. Resistance was most frequently observed to tetracycline (77.8%), sulfafurazole (60.6%), ampicillin (50.5%), amoxicillin (50.5%), trimethoprim (51.5%), chloramphenicol (43.4%), streptomycin (39.4%), nalidixic acid (34.3%) and gentamicin (24.2%). In addition, the isolates also displayed resistance to fluoroquinolones (ciprofloxacin 16.2%, norfloxacin 17.2%, and enrofloxacin 21.2%), with chicken isolates showing the highest rates of resistance to these antibiotics (52.6-63.2%). Thirty-eight multi-resistant isolates were selected for further the examination of antibiotic resistance genes and were also evaluated for virulence gene profiles by multiplex and uniplex polymerase chain reaction. The beta-lactam TEM gene and tetracycline resistance tetA, tetB genes were frequently detected in the tested isolates (84.2% and 89.5% respectively). Genes which are responsible for resistance to streptomycin (aadA) (68.4%), chloramphenicol (cmlA) (42.1%), sulfonamides (sulI) (39.5%), trimethoprim (dhfrV) (26.3%) and kanamycin (aphA-1) (23.7%) were also widely distributed. Plasmid-mediated ampC genes were detected in E. coli isolates from chicken and pork. The isolates were tested for the presence of 58 virulence genes for adhesins, toxins, capsule synthesis, siderophores, invasins and others from different E. coli pathotypes. All of the tested isolates contained at least one virulence gene and there were 16 genes detected. Virulence genes detected were fimH (92.1%), bmaE (84.2%), TSPE4.C2 (42.1%), aidA AIDA-I (orfB) (31.6%), east1 (26.3%), traT (23.7%), and others including fyuA, iutA, chuA, yjaA, iss, iroN(E. coli), ibeA, aah (orfA), iha and papG allele III (10.5-2.6%). Typical toxin genes produced by enterohemorrhagic and enterotoxigenic E. coli pathotypes (a heat-stable toxin (ST), heat-labile toxin (LT) and Shiga toxin stx1, stx2) were not detected in any of these 38 isolates. The study has revealed that E. coli in raw foods is a significant reservoir of resistance and virulence genes.

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The quinobenzoxazines, a group of structural analogues of the antibacterial fluoroquinolones, are topoisomerase II inhibitors that have demonstrated promising anticancer activity in mice. It has been proposed that the quinobenzoxazines form a 2:2 drug-Mg(2+) self-assembly complex on DNA. The quinobenzoxazine (S)-A-62176 is photochemically unstable and undergoes a DNA-accelerated photochemical reaction to afford a highly fluorescent photoproduct. Here we report that the irradiation of both supercoiled DNA and DNA oligonucleotides in the presence of (S)-A-62176 results in photochemical cleavage of the DNA. The (S)-A-62176-mediated DNA photocleavage reaction requires Mg(2+). Photochemical cleavage of supercoiled DNA by (S)-A-62176 is much more efficient that the DNA photocleavage reactions of the fluoroquinolones norfloxacin, ciprofloxacin, and enoxacin. The photocleavage of supercoiled DNA by (S)-A-62176 is unaffected by the presence of SOD, catalase, or other reactive oxygen scavengers, but is inhibited by deoxygenation. The photochemical cleavage of supercoiled DNA is also inhibited by 1 mM KI. Photochemical cleavage of DNA oligonucleotides by (S)-A-62176 occurs most extensively at DNA sites bound by drug, as determined by DNase I footprinting, and especially at certain G and T residues. The nature of the DNA photoproducts, and inhibition studies, indicate that the photocleavage reaction occurs by a free radical mechanism initiated by abstraction of the 4'- and 1'-hydrogens from the DNA minor groove. These results lend further support for the proposed DNA binding model for the quinobenzoxazine 2:2 drug-Mg(2+) complex and serve to define the position of this complex on the minor groove of DNA.

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Two closely related Enterobacter aerogenes isolates presented a new identical aac(6')-Ib-cr genetic environment, including IS26. One isolate showed lower MICs of ciprofloxacin, norfloxacin, tobramycin, and amikacin and decreased expression of aac(6')-Ib-cr, which might be related to a 12-bp deletion causing a displacement of the -10 box upstream of the aac(6')-Ib-cr gene.

uroxacin 200 mg para que sirve

To elucidate photosensitization potentials of new quinolone antibacterial agents, production of active oxygen species and peroxidation of squalene after ultraviolet A exposure were investigated. Production of singlet oxygen and/or hydrogen peroxide was estimated by bleaching of p-nitroso-N,N-dimethylaniline. Lomefloxacin showed the greatest ability to produce active oxygen species, and this ability was reduced by the addition of the singlet oxygen quencher sodium azide. Ciprofloxacin and fleroxacin also had strong activity. Photosensitized peroxidation of squalene was evaluated by measurement of thiobarbituric acid-reactive substances. Lomefloxacin was the strongest sensitizer, followed by fleroxacin and ciprofloxacin. These results suggest that certain new quinolones are involved in phototoxicity via the mechanism of active oxygen species.

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uroxacin se puede tomar alcohol 2016-09-19

Bacterial endotoxemia in patients with cirrhosis induces increased synthesis of nitric oxide that Azithromycin Oral Suspension Side Effects can be corrected with norfloxacin.

uroxacin y alcohol 2015-01-07

Sixty-five cancer patients pretreated with chemo or radiotherapy, with granulocytopenia less than 1000/mm3 and without fever, were entered into this study: 30 of them were submitted to prophylaxis with norfloxacin while the remaining 35 patients were used as a control group. 20% of the treated subjects versus 68.6% of the controls presented a subsequent infection (P less than 0.001), the lung Suprax With Alcohol representing the most frequent site of the infectious disease in both groups (3/6 and 14/24 respectively). These data strongly suggest the use of norfloxacin as an effective prophylactic drug in nonfebrile, granulocytopenic cancer patients, especially as far as gram-negative infections are concerned. Because of the high prevalence of lung cancer in the patients of our study, and a related prevalence of lung infections, at the present time, a wider use of this antibiotic in every kind of solid tumor cannot be generalized.

uroxacin 200 mg posologia 2015-01-05

The inhibitory activity of KB-5246 against Escherichia coli DNA gyrase and the antibacterial activity and apparent uptake in E. coli and Salmonella typhimurium outer membrane mutants of KB-5246 were measured. The 50% inhibitory concentrations of KB-5246, ciprofloxacin, oflaxacin, and norfloxacin for E. coli KL-16 DNA gyrase were 0.72, 0.62, 0.84, and 1.16 micrograms/ml, respectively. The activity of KB-5246 was twofold lower against an OmpF-deficient mutant and twofold higher against a mutant which produced OmpF constitutively than against the parent with osmoregulated OmpF production. KB-5246 had twofold-higher activity Klamoks 500 Mg Fiyat against a deep rough mutant of S. typhimurium than against the parent. The apparent uptake of KB-5246 in the OmpF-deficient mutant was decreased and its uptake in the deep rough mutant was increased when compared with those in the parents. These results suggest that KB-5246 is taken up by porin and nonporin pathways and has strong inhibitory activity against DNA gyrase, resulting in potent antibacterial activity.

uroxacin norfloxacina 400 mg dosis 2015-09-01

We report here a sudden and marked increase in the occurrence, in a captive population, of typhoid fever cases showing multiple drug resistance. Fifty one cases of typhoid fever were seen from January '90 to June '90 of which 49% showed multiple drug resistance. Comparative figures for resistance in the previous three years were 0% (1987), 5% (1988), 14% (1989). Shared resistance to chloramphenicol, ampicillin, amoxycillin and sensitivity to gentamicin, kanamycin, sisomycin, cephazolin, norfloxacin and ciprofloxacin in most of our cases suggest infection by a common strain with R-factor, mediated resistance. The illness was prolonged and associated with serious complications. Therapy with combination of quinolone derivatives and aminoglycoside antibiotics seemed justified on the basis of the in-vitro tests and clinical response. Efforts to identify the strain and stern public health measures to prevent further Amoxydar Forte 500mg Dosage development of drug resistant S typhi are urgently indicated.

para que sirve uroxacin 200 mg 2015-01-09

Considering the lack of cut-clear benefit on some parameters of morbidity and mortality, routine use of Gram-positive prophylaxis is not advisable. This strategy, however, should be particularly valuable in subgroups of patients at high risk of streptococcal infection (eg, those with severe and prolonged neutropenia or mucositis, and those receiving cytarabine). Problems of tolerability and the potential for the emergence of resistant microorganisms Amodis Tab should be considered when prescribing prophylaxis with enhanced Gram-positive activity to neutropenic patients.

uroxacin x 200 mg 2015-06-06

Four drops of each of ciprofloxacin, norfloxacin, and ofloxacin (0.3% topical ophthalmic preparations) were given to 12 patients undergoing corneal transplantation. After Ciproxina 500 Mg Bayer Para Que Sirve the recipient tissue was removed, corneal drug penetration was measured using high performance liquid chromatography.

uroxacin 400 mg 2015-11-15

Bacterial endotoxin is present in patients with advanced cirrhosis and can induce an immunogenic response without an overt infection. Norfloxacin is a gram-negative Trimetoprim Sulfametoxazol 480 Mg bactericidal drug able to maintain low endotoxin levels and stimulate IL-10 production. We aimed at investigating the role of IL-10 in decreasing endotoxin absorption in cirrhotic mice treated with norfloxacin.

uroxacin norfloxacina 400 mg posologia 2015-09-22

The in vitro activities of 16 antimicrobial agents against Rickettsia prowazekii (Breinl strain), R. rickettsii (Bitterroot strain), R. sibirica (ATCC No. VR151) and R. tsutsugamushi (Gilliam, Karp, Kato, Shimokoshi, Kawasaki and Kuroki strains) were determined by the cell culture method. Tetracycline, demethylchlortetracycline, doxycycline Denvar Cefixima Suspension , minocycline, chloramphenicol, kitasamycin and rifampicin were generally effective (MIC, 0.005-0.78 micrograms/ml) to all strains tested. Quinolones such as norfloxacin, ciprofloxacin and ofloxacin were moderately active, but they were less active against R. tsutsugamushi than other rickettsial species. Penicillins and cephems showed low activity against most of the strains tested, but high concentrations of benzylpenicillin (MIC, 25-50 micrograms/ml) inhibited R. prowazekii, R. rickettsii and R. sibirica. These findings may be applicable for differentiation of species of genus Rickettsia.

uroxacin 400 mg para que sirve 2016-08-07

Knowledge of antimicrobial resistance pattern in Escherichia coli, the predominant pathogen associated with urinary tract infection (UTI), is important as a guide in selecting empirical antimicrobial therapy. The aim of this study was to determine the antibiotic susceptibility patterns of E. coli strains isolated from adult outpatients with UTI, in Izmir, Turkey.

prospecto uroxacin 400 mg 2015-02-05

Liver injury due to idiosyncratic drug reactions can be difficult to diagnose and may lead to acute liver failure (ALF), which has a high mortality rate. N-acetylcysteine (NAC) is effective treatment for paracetamol toxicity, but its role in non-paracetamol drug-induced ALF is controversial. We report on the use of a validated bedside tool to establish causality for drug-induced liver injury (DILI) and describe the first case of resolution of norfloxacin-induced ALF after NAC therapy. NAC is easy to administer and generally has a good safety profile. We discuss the evidence to support the use of NAC in ALF secondary to DILI and possibilities for further clinical research in this field.

que es uroxacin 200 mg 2017-01-08

Norfloxacin, a new oral fluoroquinolone, has a spectrum of activity and pharmacology that suggest it may be useful in certain infections in which other agents are inactive or have anticipated toxicity. This report is an analysis of 61 "compassionate" requests for norfloxacin that resulted in 42 treatment courses. The reasons for use included multiresistant pathogens susceptible only to norfloxacin in 42 percent, failure of prior use of a marketed antibiotic in 34 percent, and preferred use of norfloxacin due to anticipated toxicity from an aminoglycoside in 32 percent or from other agents in 9 percent. Infections treated included 29 complicated urinary tract infections, 23 involving multiresistant Pseudomonas species, and 10 gastrointestinal infections, seven involving Salmonella species. Prophylaxis of infection was initiated in three neutropenic patients with leukemia. The duration of norfloxacin therapy ranged from eight to 28 days at a daily dose of 800 mg (400 mg twice daily). Norfloxacin treatment resulted in clinical cure or improvement in 84 percent of patients and eradicated the etiologic pathogen(s) 52 percent of the time. In Pseudomonas species infections, cure was achieved in 29 percent of patients and 57 percent showed improvement; the pathogen was eradicated in 43 percent of these infections. Resistance developed in four of the eight Pseudomonas species infections that persisted. Based on a review of compassionate therapy cases, it appears that norfloxacin is effective oral therapy for many complicated urinary and gastrointestinal infections for which other agents cannot be used because of bacterial resistance or anticipated toxicity.

uroxacin norfloxacina 400 mg contraindicaciones 2017-06-02

From the results, we can conclude that norfloxacin has a negative impact on selected biochemical processes related to the production of reactive oxygen species in early-life stages of common carp.