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Vantin

Generic Vantin is a high-class medication which is taken in treatment and termination of serious infections such as pneumonia, gonorrhea, bronchitis, infection of skin, bladder, urinary tract, nose, throat and ear, sinus infections, tonsillitis. Generic Vantin acts as an anti-infection remedy. Generic Vantin operates by killing bacteria which spreads by infection.

Other names for this medication:

Similar Products:
Duricef, Ancef, Kefazol, Keflex, Keftabs, Velocef, Intracef, Ceporin

 

Also known as:  Cefpodoxime.

Description

Generic Vantin is created by pharmacy specialists to struggle with dangerous infections (infection of skin, bladder, urinary tract, nose, throat and ear, pneumonia, gonorrhea, bronchitis, sinus infections, tonsillitis). Target of Generic Vantin is to control, ward off and terminate bacteria.

Generic Vantin acts as an anti-infection remedy. Generic Vantin operates by killing bacteria which spreads by infection.

Vantin is also known as Cefpodoxime proxetil, Cefocep.

Generic Vantin and other antibiotics don't treat viral infections (flu, cold and other).

Generic Vantin is cephalosporins.

Generic name of Generic Vantin is Cefpodoxime.

Brand name of Generic Vantin is Vantin.

Dosage

Generic Vantin can be taken in tablets (200 mg), liquid forms. You should take it with water by mouth.

Generic Vantin treats different types of bacterial infections. Thus, for each treatment it has different dosage instructions.

It is better to take Generic Vantin 2 times a day for 7-14 days.

It is better to take Generic Vantin tablets every day at the same time with meals. Its liquid forms are taken with meals or without it.

Do not stop taking Generic Vantin suddenly.

Overdose

If you overdose Generic Vantin and you don't feel good you should visit your doctor or health care provider immediately. Symptoms of Generic Vantin overdosage: abdominal cramps, diarrhoea, nausea, retching.

Storage

Store at room temperature between 15 and 30 degrees C (59 and 86 degrees F) away from moisture and heat. After mixing the suspension store in a refrigerator between 2 and 8 degrees C (36 and 46 degrees F). Do not freeze. Throw away unused portion after fourteen days. Keep out of the reach of children in a container that small children cannot open.

Side effects

The most common side effects associated with Vantin 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.

Contraindications

Do not use Generic Vantin if you are allergic to Generic Vantin components.

Be careful with Generic Vantin if you're pregnant or you plan to have a baby. Avoid breast-feeding.

Do not use Generic Vantin in case of taking antacids as Tums, Maalox, Rolaids or other stomach acid reducers as Axid, Protonix, Zantac, Aciphex, Tagamet, Prilosec, Nexium, Pepcid, Prevacid.

Be careful with Generic Vantin in case of having allergy to cephalosporins (Ceftin, Duricef, Ceclor, Keflex).

Be careful with Generic Vantin usage in case of having kidney or liver disease, colitis, stomach problems.

Try to be careful with Generic Vantin usage in case of taking antibiotics, loop diuretic (furosemide, bumetanide as Bumex, torsemide as Demadex); probenecid as Benemid; warfarin as Coumadin; ethacrynic acid as Edecrin.

Use Generic Vantin with great care in case you want to undergo an operation (dental or any other).

Try to avoid machine driving.

Avoid alcohol.

It can be dangerous to stop Generic Vantin taking suddenly.

vantin drug class

The levels of degradation of cefetamet pivoxil (CAT), cefuroxime axetil (CAE), and cefpodoxime proxetil (CPD) in 0.6 M phosphate buffer (pH 7.4) and human intestinal juice (pH 7.4) at 37 degreesC over 24 h were compared. Significant differences in the time courses of degradation and in the patterns of degradation products were observed. (i) The relative proportions of the Delta2- and Delta3-cephalosporins were roughly reversed in the two incubation media. In phosphate buffer, the major degradation product was the Delta2-cephalosporin (CAT = 61%; CAE = 74%; CPD = 85%), while in intestinal juice it was the Delta3-cephalosporin (CAT = 86%; CAE = 75%; CPD = 87%). (ii) Generally, the degradation of the prodrug esters progressed faster in intestinal juice than in phosphate buffer (e.g., for CAT the half-lives [t1/2s] were 0.78 and 4.3 h, respectively). (iii) The two diastereoisomers of CAE and CPD were degraded at different rates in intestinal juice (for the CAE diasteroisomers, t1/2s = 0.37 and 0.93 h; for the CPD diastereoisomers, t1/2s = 0.18 and 0.98 h) but were degraded at similar rates in phosphate buffer (for the CAE diastereoisomers, t1/2 = 1.6 h; for the CPD t1/2 diastereoisomers, = 2.2 h). It is concluded that (i) the Delta2 isomerization does not significantly affect the bioavailability of prodrug esters since enzymatic hydrolysis in the intestinal fluid proceeds mainly to the active Delta3-cephalosporin and (ii) the high degree of stereoselectivity of the enzymatic ester hydrolysis should make it possible to increase the bioavailabilities of certain prodrug esters (CAE, CPD) by using the more stable diasterioisomer.

vantin antibiotic medication

These data illustrate that antibiotic therapy did not increase the rate at which children carried penicillin-resistant S. pneumoniae, but there was an increase in the rate of resistance among the children carrying pneumococci at the end of the treatment, mainly as a result of reduction of susceptible strains.

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The pharmacokinetics of the broad spectrum cephem RU 29 246 and its prodrug-ester HR 916 B were investigated in mice, rats and dogs and compared to those of cefpodoxime proxetil, cefuroxime axetil and cefixime. HR 916 B is well absorbed following oral administration and efficiently converted to the antibacterially active form. In mice, mean peak blood levels of 31.1 micrograms/ml of the parent compound were recorded within 20 minutes after oral administration of a single dose equivalent to 40 mg/kg RU 29 246. The bioavailability calculated on the basis of the areas under the concentration-time curves (AUC) and the urinary recoveries was about 90%. In rats, peak blood levels of 14.5 micrograms/ml were obtained 1 hour after an oral 20 mg/kg dose. The bioavailability was calculated as 70%. In dogs, 40% of an oral 10 mg/kg dose was recovered in the urine within 24 hours. Cmax was 15.9 micrograms/ml at 4.6 hours. Mean elimination half-lives of RU 29 246 were 0.35, 0.5 and 2.1 hours in mice, rats and dogs, respectively. After an oral HR 916 B dose equivalent to 50 mg/kg of RU 29 246, tissue concentrations at 0.5 hour ranged between 0.8 micrograms/g in brain and 95.7 micrograms/g in murine kidneys. These values of HR 916 B are similar to, or distinctly higher than, those of the reference compounds. Of the oral cephalosporins tested, HR 916 B had the most balanced antibacterial spectrum. With ED50s of between 0.9 and 11.5 mg/kg against staphylococci, its activity was similar to that of the additional reference compound cefaclor and higher than that of cefuroxime. Cefixime and cefpodoxime proxetil displayed low antistaphylococcal activity or were inactive. In septicemias with Enterobacteriaceae, cefixime and cefpodoxime proxetil were more potent than HR 916 B and cefaclor. Cefuroxime axetil was inactive against most of these infections. HR 916 B was also highly effective against murine lung infections caused by Klebsiella pneumoniae DT-S or Streptococcus pneumoniae 1147.

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This multicenter, randomized, parallel treatment, observer-blinded study was designed to evaluate the safety and efficacy of cefpodoxime proxetil (5 mg/kg twice daily for 10 days) compared with penicillin V (13.4 mg/kg three times daily for 10 days) for treatment of Group A streptococcal pharyngitis and tonsillitis in pediatric patients. Clinical and microbiologic results were evaluated before therapy, during therapy (Study Days 3 to 5), at the end of therapy (Study Days 14 to 18) and at long term follow-up (Study Days 30 to 32). Both drugs were well-tolerated in 578 patients evaluable for safety. Mild gastrointestinal complaints were noted in 6.7% of 386 cefpodoxime-treated patients and in 5.2% of 192 penicillin-treated patients. In 413 patients evaluable for efficacy, both treatment regimens resulted in comparably favorable clinical outcome; cure rates were 83.8% for 275 cefpodoxime-treated patients and 77.5% for 138 penicillin-treated patients. However, eradication of S. pyogenes at end of therapy was significantly higher with cefpodoxime (93.1%) than with penicillin (81.2%) (P < 0.01). Cefpodoxime proxetil provides an effective alternative to penicillin V for the treatment of streptococcal pharyngitis and tonsillitis.

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A number of oral third-generation cephalosporins (cefixime, cefetamet pivoxil, ceftibuten and cefpodoxime proxetil) have been widely trialled and are becoming available. In addition, cefdinir may also be marketed. Compared with first- and second-generation agents, the oral third-generation cephalosporins have an improved antibacterial spectrum and reduced minimum inhibitory concentrations against common Gram-negative pathogens. In contrast, with the exception of cefdinir, they are less active against Staphylococcus aureus. They have favourable pharmacokinetic profiles and are generally administered in once- or twice-daily regimens. They are well tolerated, but cefixime has been associated with a particularly high rate of diarrhoea. Possible clinical indications for the use of oral third-generation cephalosporins include upper and lower respiratory, genitourinary and soft-tissue infections and follow-on treatment of severe infections requiring hospitalisation. At present, these drugs offer no particular clinical advantages over standard therapy in most circumstances. However, they may be considered where there is hypersensitivity to penicillins, a high incidence of resistance to first-line therapy in the community, or failure of standard therapy. Further studies are needed to define the efficacy of oral third-generation agents in the prevention of rheumatic fever and as follow-on therapy for severe infections. The oral third-generation cephalosporins are generally more expensive than standard agents, but detailed studies that include extended costs (e.g. treatment of adverse effects, treatment of clinical failure, return visits to physicians) have yet to be reported.

vantin drug classification

Cefpodoxime proxetil, a new oral cephalosporin, is the prodrug ester of cefpodoxime. Minimal inhibitory concentrations (MIC) of RU 51746 (sodium salt of cefpodoxime: CPD) were evaluated by agar dilution for 1 696 bacterial strains isolated in 5 hospitals. For Enterobacteriaceae, MIC 50 and 90% were respectively (micrograms/ml): (1) naturally non bêtalactamase producing species: E. coli, Shigella and Salmonella 0.25-0.5; P. mirabilis 0.06-0.12. (II) chromosomal penicillinase producing species: Klebsiella 0.12-1. (III) chromosomal cephalosporinase producing species: E. cloacae and C. freundii 2-greater than 128; S. marcescens 2-64; indole + Proteus 0.25-64; P. stuartii 0.25-16. Activity of CPD was not modified on plasmid mediated penicillinase producing strains, but CPD was inactive on cephalosporinase hyperproducing strains, and on broad spectrum bêtalactamases producing strains. CPD was inactive on P. aeruginosa (MIC greater than or equal to 64) and on A. baumannii (16-pi 128). Haemophilus, regardless on bêtalactamase production status, were very susceptible to CPD (MIC less than or equal to 0.25) and B. catarrhalis was generally inhibited by 0.12 to 1. CPD was poorly active on methicillin susceptible Staphylococci (MIC 50 and 90%: 2-4) and inactive on methicillin resistant strains. Enterococci and Listeria monocytogenes were generally resistant; Streptococci A, B, C, G and Pneumococci were inhibited by low concentration: 0.002 to 0.25 (MIC 50 and 90%: 0.016-0.032) whereas MIC for other Streptococci were 0.004 to 32 (MIC 50 and 90%: 0.25-4). These antibacterial properties placed CPD in excellent position among oral cephalosporins.

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From different hydrotropic agents, urea showed best aqueous solubility of cefpodoxime proxetil. The linearity was observed in the concentration range of 10-120 μg/ml. The method was validated and found to be precise. Accuracy (percent recovery) for cefpodoxime proxetil was found to be 99.82 ± 0.106.

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We evaluated in vitro and in vivo activities of cefpodoxime proxetil (CPDX-PR) in comparison with other oral beta-lactams, cefdinir (CFDN), cefditoren pivoxil (CDTR-PI), and faropenem (FRPM), against penicillin-susceptible and -resistant Streptococcus pneumoniae. In vitro activities (MICs) of CPDX, CFDN, CDTR, and FRPM against clinical isolates, penicillin-susceptible S. pneumoniae (PSSP: MIC of penicillin G, < or = 0.063 microgram/ml), penicillin-intermediate S. pneumoniae (PISP: MIC of penicillin G, 0.125-1 microgram/ml), and penicillin-resistant S. pneumoniae (PRSP: MIC of penicillin G, > or = 2 micrograms/ml), were tested by an agar dilution method. The MIC80s of CPDX against 27 PSSP strains, 23 PISP strains, and 23 PRSP strains were 0.032, 1, and 8 micrograms/ml, respectively, which were superior to or equal to those of CFDN (0.063, 4, and 8 micrograms/ml) and were inferior to those of CDTR (0.016, 0.5, and 1 microgram/ml) and FRPM (< or = 0.008, 0.25, and 1 microgram/ml). Infection was induced in mice by inoculating with a PRSP clinical isolate, 9605 or 9601 (serotype 6), or 10692 (serotype 19), through the nares of male ddY mice into the lungs. The mice were treated with drugs with doses of 2-50 mg/kg at 18, 26, 42, and 50 hours after the infection. Viable cell numbers in the lungs and blood were assayed at 66 hours after the infection. The efficacy of each drug was dose-dependent. CPDX-PR showed the most potent in vivo efficacy among the drugs tested against the infections caused by the PRSP strains. MICs of the drugs against PRSP 9605, 9601, and 10692 were as follows: CPDX, 4, 4 and 2 micrograms/ml; CFDN, 16, 16, and 4 micrograms/ml; CDTR, 1, 1, and 0.5 microgram/ml; and FRPM, 1, 0.5, and 0.5 microgram/ml, respectively. Thus, CPDX-PR showed a stronger in vivo activity than that expected from the MICs of CPDX. This was probably caused by the pharmacokinetic advantage of CPDX over the other drugs used in this study.

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In order to evaluate clinical and bacteriological efficacy of Cefpodoxime Proxetil (CP) in typhoid fever in comparison to cefixime (CF), we assessed 140 children with suspected typhoid fever. Fulfilling inclusion criteria finally 40 culture confirmed typhoid fever were allocated in randomized double blind clinical trial (RCT) to receive therapy with either oral CP (16 mg/kg/day, n = 21) or oral CF (20 mg/kg/day, n = 19) for 10 days. The two groups were comparable in their clinical and baseline characteristics. The clinical efficacy was similar in the two groups with only 2 (one in each group) clinical failures and all showing bacteriological eradication on subsequent blood culture. The time of defervescence was comparable in both groups (4.87 Fluconazole Prophylaxis against Fungal Colonization and Invasive Fungal Infection in Very Low Birth Weight Infants 2.33 vs 4.27 +/- 2.28 days, P = 0.308), with no relapse during 3 months follow up and no significant adverse effect. CP reduced the treatment cost by 33% in comparison to cefixime. Our study suggests CP is effective, safe and cheaper oral option for treatment of typhoid fever in children.

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Cefpodoxime demonstrates good in vitro activity against pathogens frequently associated with respiratory tract, urinary tract, and skin and tissue infections. It has not demonstrated greater efficacy than the other antibiotics to which it has been compared. The available published clinical trials are fraught with methodologic, statistical, and evaluative flaws. Thus, further trials comparing cefpodoxime with established treatments, as well as the newer cephalosporins, are needed before its place in therapy can be established.

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To develop a simple, sensitive, rapid, and economic high performance thin layer chromatographic method for determination of cefpodoxime proxetil (CEFPO) and ambroxol hydrochloride (AMBRO) in human plasma by liquid-liquid extraction using paracetamol as an internal standard.

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The proposed HPTLC method can be applied for identification and quantitative determination of cefpodoxime proxetil in both bulk drug and pharmaceutical formulation.

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The in vitro activity of the compound RU-51746, the sodium salt of cefpodoxime (which is administered orally as the ester cefpodoxime proxetil) was compared with that of other commonly used oral antibiotics against a selection of clinical isolates of common bacteria from patients with urinary tract, soft tissue and respiratory tract infections. RU-51746 was found to inhibit 90% of Enterobacteriaceae at less than 1 mg/l; pneumococci, pyogenic streptococci (Lancefield groups A, C and G) and Streptococcus agalactiae were almost all inhibited by concentrations of less than 0.06 mg/l; Haemophilus influenzae (including beta-lactamase producers) were inhibited by less than 1 mg/l; 90% of Branhamella catarrhalis were inhibited at less than 2 mg/l. Activity against Acinetobacter spp. and staphylococci was variable and enterococci were all resistant.

vantin medicine

twenty patients were selected, based on clinical assessment, to be converted from intravenous ceftriaxone to oral cefpodoxime proxetil. Twenty other comparable patients who would have been appropriate for step-down therapy, did not receive pharmacy intervention and were used as a control group.

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The value of MIC90 s cefdinir against these bacterial strains except penicillin non-sensitive pneumococci were 0.031-1 mg/L. Cefpodoxime held similar antibacterial activity with cefdinir, but was less potent against staphylococci. Cefaclor had much higher MIC values than other two drugs. After oral administration of 250 mg cefaclor, the drug concentration quickly reached peak concentration of 4.95 mg/L +/- 2.41 mg/L and the eliminative half time was 0.69 h +/- 0.6 h; the Tmax, Cmax and T1/2beta of cefdinir and cefpodoxime after oral administration of 100 mg were 2.5 h +/- 0.48 h, 0.81 mg/L +/- 0.19 mg/L, 1.73 h +/- 0.3 h and 2.38 h +/- 0.43 h, 1.12 mg/L +/- 0.28 mg/L, 1.92 h +/- 0.55 h, respectively. T > MIC of cefdinir in thrice daily administration were longer than 40% of medication interval against most of the tested isolates; no T > MIC period was found in cefpodoxime against staphylococci and the T > MICs of cefaclor after 250 mg oral administration were shorter than expected values against most bacteria.

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Analysis of the mean acceptability/ preference rating from 769 children demonstrated that the flavor of azithromycin was rated significantly higher than that of cefpodoxime (4.3 vs. 2.8), cefprozil (4.0 vs. 3.4) and clarithromycin (4.3 vs. 2.7) and was comparable to that of cefixime (4.0 vs. 4.2) and loracarbef (4.4 vs. 4.5). A greater percentage of children preferred the taste of azithromycin to that of cefpodoxime (90.0% vs. 5.2%), cefprozil (63.0% vs. 33.1%) and clarithromycin (89.0% vs. 11.0%). The taste of azithromycin was not preferred to that of cefixime (39.0% vs. 53.9%) or loracarbef (36% vs. 58.5%).

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Recurrent acute pharyngotonsillitis remains a common illness in children and young adults and can lead to serious complications if not treated. cefpodoxime proxetil is a second-generation oral cephalosporin, which shows potent antibacterial activity against both Gram-positive and Gram-negative bacteria and high stability in the presence of beta-lactamases.

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Between September 2006 and September 2007, 91 physicians enrolled 2400 children and 1482 patient records are fully assessable. The two factors that improve significantly compliance are administration in two doses by day (OR 2.2 [95% CI 1 6-3]) and acceptability ≥80% (OR 2.6, [95% CI 1.9-3.7]). The acceptability was better for amoxicillin-clavulanic acid 65.4% (95% CI [57.6 to 72.4]) than for cefpodoxime 47.1% (95% CI [43.8-50.4]) or cefuroxime axetil 26% (95% [CI 15.9-39.6]). Conversely, cefpodoxime proxetil obtained a better score for compliance 91.8% (95% CI [89.8 to 93.4) as amoxicillin-clavulanic acid 84.6% (95%CI 80.8 to 87.8) because of its mode of administration in two doses per day. There is no difference between the amoxicillin clavulanic acid reference product and its generics as a whole, however a large variability exists between generics. If, for antibiotics prescribed in two doses per day, the two administrations by day are roughly equidistant, it is not the same for those prescribed three times a day: indeed, while the doses taken are identical, only four hours separate the first intake of the morning from the second intake in mid-day and more than 12 hours between the evening dose from the next morning intake.

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Mean plasma protein binding for cefpodoxime and cephalexin was 82.6% and 20.8%, respectively. Mean ± SD values for cephalexin in plasma were determined for peak plasma concentration (Cmax, 31.5±11.5 μg/mL), area under the time-concentration curve (AUC, 155.6±29.5 μg•h/mL), and terminal half-life (T½, 4.7±1.2 hours); corresponding values in ISF were 16.3±5.8 μg/mL, 878±21.0 μg•h/mL, and 3.2±0.6 hours, respectively. Mean±SD values for cefpodoxime in plasma were 33.0±6.9 μg/mL (Cmax), 282.8±44.0 μg•h/mL (AUC), and 5.7±0.9 hours (T1/2); corresponding values in ISF were 4.3±2.0 μg/mL, 575±174 μg•h/mL, and 10.4±3.3 hours, respectively.

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A stability-indicating spectrofluorometric method was investigated for the determination of three cephalosporin drugs, namely, cefpodoxime proxetil (CPD), cefixime trihydrate (CFX), and cefepime hydrochloride (CPM), via their acid and alkali degradation products. The three drugs were determined via their acid degradation at 432, 422, and 435 nm using an excitation wavelength of 310, 330, and 307 nm for CPD, CFX, and CPM determination, respectively, and via their alkali degradation at 407, 411, and 405 nm using an excitation wavelength of 310, 305, and 297 nm for CPD, CFX, and CPM determination, respectively. Linearity was achieved in the ranges of 0.35-3.50, 0.4-4.0, and 0.3-3.0 μg/mL for the acid degradation products of CPD, CFX, and CPM, respectively, and in ranges of 0.05-0.5, 0.1-1.0, and 0.08-0.80 μg/mL for the alkali degradation products of CPD, CFX, and CPM, respectively. The method was validated for various parameters according to International Conference on Harmonization guidelines. The method was successfully applied for the determination of these cephalosporin drugs in pharmaceutical dosage forms with good accuracy and precision. The results obtained by the proposed spectrofluorometric method were compared with good agreement to the official HPLC method.

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The effect of a high-fat meal on absorption of a 200-mg dose of cefpodoxime proxetil oral suspension was evaluated in 20 healthy, male volunteers in a randomized, two-way crossover study. The concentrations of cefpodoxime in plasma and in urine were determined by sensitive and specific high-performance liquid chromatography methods. The area under the plasma drug concentration-time curve, time to peak concentration, and urinary excretion of cefpodoxime were significantly greater (P < or = 0.05) after administration of cefpodoxime proxetil oral suspension with food than under fasting conditions. However, the difference in the areas under the curve between fed and fasted treatments was only 11%, and application of the two one-sided tests procedure showed bioequivalence between treatments for this parameter. The slight increase in the extent of drug absorption and the slower rate of absorption which results when cefpodoxime proxetil is given with food are unlikely to be of clinical importance.

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A prospective study was conducted, with a sample size of 276 patients, who visited the ENT OPD and IPD over a period of 4 months.

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Thirteen oral cephems (cefprozil, loracarbef, cefaclor, cefuroxime axetil, cefpodoxime proxetil, cefetamet pivoxil, cefixime, cefdinir, cefadroxil, cephradine, cephalexin, cefatrizine, and cefroxadine), the cephalosporin class representative cephalothin, cefazolin, and the macrolides erythromycin, clarithromycin, and azithromycin were compared for their antibacterial activities against 790 recent clinical isolates. These oral agents differed in their spectra and antibacterial potencies against community-acquired pathogens.

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The effect of a high-fat meal and the timing of this meal on the absorption of a 400-mg oral dose of cefpodoxime proxetil was evaluated in 20 healthy, adult, male volunteers in a four-way crossover study. The area under the plasma concentration-time curve, peak plasma concentration, and urinary recovery were significantly greater (P = .0001) after administration of cefpodoxime proxetil tablets with and 2 hours after a meal relative to dosing under fasted conditions or 1 hour before a meal. The time to peak concentration did not differ significantly among treatments, which suggests that food did not affect the rate of drug absorption. These results indicate that absorption of cefpodoxime proxetil is enhanced when tablets are taken with food or shortly after a meal.

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vantin medicine 2016-07-24

Decreasing the dose frequency of cefpodoxime proxetil increases patient compliance; patients prefer to take the drug once daily. It also improves the rate of bacterial killing and hastens the cure from the indications, and therefore increases compliance. The hydrophilic matrix of HPMC controlled the cefpodoxime proxetil release effectively for 24 hours; hence, the formulation can be considered as a once-daily sustained-release tablet of cefpodoxime proxetil. The formulation showed acceptable pharmacotechnical properties and assay requirements. In vitro dissolution studies indicated a sustained-release pattern throughout 24 hours of the study that was comparable to the theoretical release profile. Drug release kinetics indicated that drug release was best explained by Higuchi's equation, as these plots showed the highest linearity (r (2)=0.9734), but a close relationship was also noted with zero-order kinetics (r (2)=0.9708). Korsmeyer's plots indicated ann value of 0.57 buy vantin , which was indicative of an anomalous diffusion mechanism or diffusion coupled with erosion; hence, the drug release was controlled by more than one process. Hixson-Crowell plots indicated a change in surface area and diameter of the tablets with the progressive dissolution of the matrix as a function of time.

vantin tablet 2017-07-16

In 2011, new guidelines on antibiotic prescription for acute otitis media (AOM) were published in France to decrease the use of third generation cephalosporins that promote the carriage of extended-spectrum beta-lactamase producing Escherichia coli. Our objective was to assess the impact of the 2011 French recommendations on the type buy vantin of antibiotics prescribed for AOM.

vantin antibiotic dosage 2017-12-30

A buy vantin 360-bed Veterans Affairs Medical Center.

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To discuss the chemistry, pharmacokinetics, spectrum of activity, clinical trials, adverse effects, drug interactions, and dosage buy vantin guidelines of cefpodoxime proxetil.

vantin 200mg tab 2017-01-02

OBJECTIVE: To investigate changes in fecal flora and multiple-dose pharmacokinetics with the oral antibiotics ceftibuten 400 mg daily and cefpodoxime proxetil (CPX) 200 mg every 12 h, compared to amoxycillin/clavulanate 500/125 mg every 8 h during and following 1 week of medication. METHODS: In an open randomized triple crossover design, 18 (nine female, nine male) healthy volunteers received each drug for 7 days, followed by a 'washout' period of 4 weeks. Serum and urine levels of the substances were determined by bioassay, and for ceftibuten isomers by high-pressure liquid chromatography. Statistical analysis of quantitative aerobic and anaerobic cultures of feces was performed, and beta-lactamase activity was determined. RESULTS: Ceftibuten showed a mean Cmax of 18.9 (SD 3.0) mg/L, a terminal half-life of 2.89 h, and an AUCtot of 100 (21.8) mg.h/L; protein binding was 63.7 (5.1)%, and accumulation was marginal. Cefpodoxime proxetil had a Cmax of 1.92 (0.61) mg/L, a buy vantin terminal half-life of 1.97 (0.42) h and an AUCtot of 10.8 (3.3) mg.h/L; no accumulation was seen. Amoxycillin and clavulanate had Cmax values of 7.15 (2.16) mg/L and 3.39 (1.31) mg/L, terminal half-life values of 1.03 (0.15) h and 0.93 (0.17) h, AUCtot values of 20.0 (4.2) mg.h/L and 8.87 (3.10) mg.h/L, and there was no accumulation. Statistical analysis for ech microorganism in fecal samples showed significant differences between amoxycillin/clavulanate and the two third-generation cephalosporins, but virtually no differences between ceftibuten and cefpodoxime proxetil. Eleven of 12 volunteers reported loose stools (days 2-7, mean duration 4.4 (SD 2.7) days) with amoxycillin/clavulanate, but nobody during ceftibuten administration and one volunteer during cefpodoxime proxetil administration. CONCLUSIONS: Ceftibuten showed excellent and cefpodoxime favorable pharmacokinetic properties, with significantly less pronounced fecal flora changes and intestinal side effects compared to amoxycillin/clavulanate. The multiple crossover design allows powerful microbiological statistical analysis and pharmacokinetic parameter comparisons.

vantin suspension 2015-10-05

Group A beta-hemolytic streptococcus (GABHS) is the most common bacterial cause of acute pharyngitis. Although children infected with GABHS will recover clinically without antibiotics, treatment is recommended in order to prevent acute rheumatic fever and probably suppurative complications, hasten resolution of clinical signs and symptoms, and prevent transmission to close contacts. Streptococcal pharyngitis usually cannot be reliably distinguished from other etiologies on the basis of epidemiologic or physical findings, and therefore a throat culture or a buy vantin rapid antigen detection test is generally necessary to confirm the diagnosis. All isolates of GABHS are sensitive to penicillins and cephalosporins, whereas resistance to macrolides has been identified in some geographic regions. The recommended first-line therapy for streptococcal pharyngitis is a 10-day course of penicillin V, usually given 2 or 3 times per day. A number of alternatives to penicillin V are available, including other penicillins, macrolides, and cephalosporins. As a class, the cephalosporins are noteworthy because they may provide somewhat higher bacteriologic eradication rates than penicillin V. Many cephalosporins can be administered twice daily, but they also must be given for 10 days. Two third-generation cephalosporins, cefdinir and cefpodoxime proxetil, are approved for use in a more convenient 5-day dosing schedule, thus possibly increasing the likelihood of adherence to the full course of therapy. Palatability is also an important consideration when prescribing antibiotics to children. In a series of studies, children preferred the pleasant strawberry-cream taste of cefdinir to that of amoxicillin/clavulanate, cefprozil, and azithromycin. Cefdinir may offer an alternative to penicillin V for children with streptococcal pharyngitis, particularly when compliance is a clinical concern.

vantin renal dose 2016-06-20

The clinical success rates at day 12-19 in the per-protocol population (primary analysis) were 92.3% (215/233) in the cefpodoxime-proxetil group and 93.6% (204/218) in buy vantin the amoxicillin-clavulanic acid group. The 95% confidence interval of [6.5%; 3.9%] demonstrated that cefpodoxime-proxetil was not inferior to amoxicillin-clavulanic acid. Cure rates at follow-up (day 25-30) were 90.6% and 92.7%, respectively. Results were similar in the intent-to-treat population. Compliance was significantly better in the cefpodoxime-proxetil group (99.2% versus 95.5%; p=0.011). Tolerance was also significantly better: 1.2% (3/247) of cefpodoxime-proxetil patients reported a treatment-related adverse event, compared with 10.7% (26/244) in the amoxicillin-clavulanic acid group (p<0.001). Most events were gastrointestinal and of mild to moderate intensity.

vantin 500 mg 2015-04-22

Although postoperative infections continue to be a major buy vantin problem in gynecologic surgery, there is still no consensus on the efficacy of antibiotic prophylaxis.

vantin medication 2016-10-16

This review analyzes the pharmacokinetics of new oral cephalosporins, including esters, non-esters, and the carbacephem loracarbef, in healthy volunteers, as described in the literature and evaluated in several studies of our own. buy vantin Single-dose studies have demonstrated considerable pharmacokinetic differences among these compounds. Cefixime, cefpodoxime proxetil, and cefetamet pivoxil are characterized by a low peak concentration and a prolonged half-life, while the other new agents have higher peak levels and shorter half-lives. Except for cefixime, the new oral cephalosporins are eliminated mainly by the kidneys. Pharmacokinetic studies in the elderly and in children indicate that the bioavailability of these agents is not influenced by age. Food increases the bioavailability of the ester cephalosporins but does not affect the absorption kinetics of the other new drugs.

vantin dosing 2015-04-09

Forty patients who buy vantin began receiving intravenous ceftriaxone for either a community-acquired pneumonia or a complicated urinary tract infection.

vantin antibiotic medication 2016-10-25

This meta-analysis buy vantin suggests that 5 days of short-acting antibiotic use is effective treatment for uncomplicated acute otitis media in children.

vantin 400 mg 2016-06-04

Global clinical efficacy was assessed by the physicians buy vantin to be "very good" and "good" in 96.4% of the cases. With regard to tolerance, the physicians' assessment was "very good" and "good" in 96.3%. In 51 patients (1.9%), 70 adverse drug reactions involving the gastrointestinal tract, CNS and skin occurred.

vantin dosage 2015-10-30

As the post-marketing surveillance of cefpodoxime proxetil (Banan), MICs of cefpodoxime (CPDX, an active form of Banan) against 1090 clinical isolates of 22 species from 15 medical institutions all over Japan from June 2000 to March 2001 were measured using the broth microdilution method approved by the Japanese Society of Chemotherapy and compared with those of oral cephem antibacterials, cefaclor, cefdinir, cefditoren, and cefcapene. In this study, remarkable change in the activity of CPDX was observed in Streptococcus pneumoniae and Haemophilus influenzae compared with the susceptibility in the studies before Banan was launched. This cause is considered to be the increase in the incidence of the following resistant strains: penicillin-intermediate S. pneumoniae (47.3%), penicillin-resistant S. pneumoniae (PRSP, 15.1%), and beta-lactamase-negative Hyzaar Tabs ampicillin-resistant (BLNAR) H. influenzae (24.0%), which were scarcely isolated in 1989 when Banan was launched. Other tested drugs also exhibited low activity against these resistant strains. However, CPDX showed comparatively good activity with MIC90 of 2 micrograms/mL against PRSP. Against methicillin-susceptible Staphylococcus spp., Streptococcus pyogenes, Streptococcus agalactiae, and Moraxella catarrhalis, CPDX also showed comparatively good activity with MIC90 of < or = 4 micrograms/mL, which was almost equal to that in the studies before its marketing. Against quinolones-resistant Neisseria gonorrhoeae, CPDX showed excellent activity with MIC90 of 0.5 microgram/mL. Against members of the family Enterobacteriaceae except for Citrobacter freundii, Enterobacter spp., Proteus vulgaris, and Morganella morganii, CPDX showed good activity. However, in Escherichia coli, Klebsiella spp. Proteus spp., and Providencia spp., there are some high-resistant strains to all tested drugs including CPDX. Against Peptostreptococcus spp., MIC90 of CPDX was 8 micrograms/mL and its MIC range was widely distributed from 0.03 to 32 micrograms/mL, which were similar to those in the studies before its marketing. In this study, CPDX showed the decrease in the activity against several species as did other drugs tested, but against most of species tested, CPDX maintained good activity. Furthermore, it is necessary to pay much attention to the trend of resistant strains.

buy vantin 2015-01-28

These findings suggest that cefpodoxime proxetil administered once daily is as effective and safe as cefixime given once daily in the treatment of acute Stromectol 3 Mg suppurative otitis media in pediatric patients.

vantin generic name 2015-08-20

The levels of Celebrex Generic degradation of cefetamet pivoxil (CAT), cefuroxime axetil (CAE), and cefpodoxime proxetil (CPD) in 0.6 M phosphate buffer (pH 7.4) and human intestinal juice (pH 7.4) at 37 degreesC over 24 h were compared. Significant differences in the time courses of degradation and in the patterns of degradation products were observed. (i) The relative proportions of the Delta2- and Delta3-cephalosporins were roughly reversed in the two incubation media. In phosphate buffer, the major degradation product was the Delta2-cephalosporin (CAT = 61%; CAE = 74%; CPD = 85%), while in intestinal juice it was the Delta3-cephalosporin (CAT = 86%; CAE = 75%; CPD = 87%). (ii) Generally, the degradation of the prodrug esters progressed faster in intestinal juice than in phosphate buffer (e.g., for CAT the half-lives [t1/2s] were 0.78 and 4.3 h, respectively). (iii) The two diastereoisomers of CAE and CPD were degraded at different rates in intestinal juice (for the CAE diasteroisomers, t1/2s = 0.37 and 0.93 h; for the CPD diastereoisomers, t1/2s = 0.18 and 0.98 h) but were degraded at similar rates in phosphate buffer (for the CAE diastereoisomers, t1/2 = 1.6 h; for the CPD t1/2 diastereoisomers, = 2.2 h). It is concluded that (i) the Delta2 isomerization does not significantly affect the bioavailability of prodrug esters since enzymatic hydrolysis in the intestinal fluid proceeds mainly to the active Delta3-cephalosporin and (ii) the high degree of stereoselectivity of the enzymatic ester hydrolysis should make it possible to increase the bioavailabilities of certain prodrug esters (CAE, CPD) by using the more stable diasterioisomer.

vantin renal dosing 2017-12-12

CS-807 is a new cephalosporin orally available. The clinical efficacy and safety of this drug were evaluated in 13 patients with urinary tract infection, including 3 with simple cystitis and 10 with complicated infections. According to the response criteria defined by the Japanese UTI committee, the clinical effectiveness in 8 patients with complicated urinary tract infections regarded evaluable was excellent in 2, moderate in 4 and Coumadin Alternatives Drugs poor in 2, the overall efficacy rate being 75.0%. Only 1 of the 13 patients studied, developed temporary diarrhea as a drug related adverse reaction.

vantin reviews 2016-12-18

Two controlled United States trials compared the safety and efficacy of cefpodoxime proxetil (100mg twice daily) with either cefaclor (250mg 3 times daily) or amoxicillin (250mg 3 times daily) in patients with uncomplicated urinary tract infections. Treatment duration was 7 days. 307 of 762 patients treated with cefpodoxime proxetil, 99 of 190 treated with cefaclor, and 57 of 185 treated with amoxicillin were evaluable for efficacy. 311, 99 and 59 pathogens were isolated from cefpodoxime proxetil, cefaclor and amoxicillin patients, respectively, the most common pathogens being Escherichia coli, Klebsiella spp., Proteus mirabilis, and Staphylococcus saprophyticus. Bacteriological cure rates were 80% (247/307), 82% (81/99) and 70% (40/57) for cefpodoxime proxetil, cefaclor and amoxicillin, respectively. Respective clinical cure Risperdal 1mg Medication rates were 79% (242/307), 79% (78/99) and 72% (41/57). Cefpodoxime proxetil was well tolerated, and there was no significant difference between the groups in the overall incidence of adverse experiences. Thus, cefpodoxime proxetil is efficacious and safe in the treatment of patients with uncomplicated urinary tract infections and compares favourably with cefaclor and amoxicillin.

vantin drug interactions 2017-10-19

In France the current consensus for the treatment of community-acquired pneumonia is based on the French Society for Infectious Diseases 1991 guidelines. In healthy adults without signs of severe disease, oral amoxicillin is recommended at the dose of 3 g per day for 8 to 10 days. This empirical choice is warranted by the prevalence of pneumococcal infections, found as causal agents in half to two-thirds of the bacteriologically proven cases. The 3 g dose is recommended due to the increasing risk of penicillin-resistant S. pneumoniae with MIC > 1 microgram/ml and exceptionally > 2 micrograms/ml. Clinical experience has shown that with a threshold at 2 micrograms/ml, 3 g of amoxicillin is a safe and sure choice. The duration is undoubtedly too long for most patients, but is a prudent measure due to the lack of clinical signs distinguishing between patent infection and its prolongation by inflammatory processes. Indiscriminate prescription of amoxicillin alone is however unacceptable as aminopenicillin is not effective against all microbial agents responsible Priligy 30mg Reviews for community-acquired pneumonia. The risk of selecting resistant strains is very real. Use of a large spectrum antibiotic could be indicated as first line treatment in patients with risk factors (underlying chronic disease, institutionalization, exposure to Gram negatives or S. aureus). For such patients, combination with a beta-lactamase inhibitor (coamoxiclav) or a cephalosporin with a MIC similar to that for penicillin G (cefpodoxime proxetil, cefuroxime axetil) could be recommended. In case of severe disease, Legionella pneumophila must be taken into consideration, implicating adjuction of a macrolide. Wide spectrum fluoroquinolones such as the soon to be available trovafloxacin offer a safe alternative, covering the main microorganisms responsible for community acquired pneumonia. Widespread use would however increase the risk of microbial resistance. In the current epidemiological situation in France, prescription of an aminopenicillin alone for alveolar community-acquired pneumonia in healthy adults remains the gold standard for first line therapy.

vantin 100 mg 2015-06-19

Clinical and laboratory records were retrospectively reviewed between Lexapro Type Drugs January 2003 and December 2003.

vantin dose 2015-02-18

Children with acute infections were treated with cefpodoxime proxetil (CPDX-PR, CS-807), a new oral cephalosporin. 1. A girl of 4 years old, weighing 17 kg, and another girl of 12 years old, weighing 33 kg, were administered orally each 3 mg/kg of CPDX-PR. Blood levels of CPDX reached peaks of 1.39 and 2.26 micrograms/ml at 4 hours-post-dose, and T1/2's were 2.09 and 2.63 hours, respectively. Cumulative urinary recovery rates for 8 hours were 57.3 and 80.9%, respectively. 2. A total of 30 patients was treated with CPDX-PR. These patients included 10 with acute tonsillitis, 6 with acute bronchitis, 5 with bronchopneumonia, 2 with scarlet fever and 2 with urinary tract infections, and one each with acute pneumonia, acute otitis media, acute otitis media plus sweat gland abscess, staphylococcal scalded skin syndrome and acute lymphadenitis. The treatment was effective in 27 cases out of 29 (except one with an unknown response) with a clinical efficacy rate of 93.1%. 3. Bacteriological responses to Protonix Usual Dose CPDX-PR were as follows; eradication of pathogen in 7, and unknown in 2 out of 9 cases from whom pathogens had been isolated prior to the treatment. 4. As a side effect, diarrhea was observed in 1 patient, but it was possible to continue the treatment. With regard to laboratory tests, a slight elevation of GOT and slight elevations of GOT and GPT were found in 1 case each.

vantin dosing uti 2016-06-08

The pharmacokinetic, economic and practical aspects of sequential therapy with iv and oral cephalosporins are reviewed. New broad spectrum oral cephalosporins, such as cefixime, cefpodoxime proxetil and cefetamet pivoxil achieve serum concentrations above the MICs for most Enterobacteriaceae for at least as long as for parenteral cefuroxime. Substantial cost reductions are possible with an early switch from iv to oral cephalosporins. The clinical studies that have been performed so far have important shortcomings. Well designed clinical studies are necessary to prove the feasibility of sequential therapy with cephalosporins for serious infections in Cymbalta Users Reviews hospitalized patients.

cost of vantin 2015-10-04

Data were limited to comparative trials published in the English literature. Although many studies were conducted Cefixime 200mg Tablet in Japan, the results often were available only in Japanese or partly in English. As these studies could not be completely evaluated, they are not included in this review.

vantin max dose 2016-08-15

Cefpodoxime proxetil (CP) is a prodrug of cefpodoxime acid (CA), and is supplied as racemic mixture of R- and S-enantiomers. CP has only 50% absolute bioavailability, and the reasons responsible for low bioavailability remain poorly understood. The present work ascertains physicochemical and biological properties of individual isomers of CP and explores their capacity to optimize delivery of CP. Both isomers showed similar pH stability behavior, but R-isomer was more susceptible to enzymatic metabolism compared to S-isomer, when incubated with enzymes collected from various segments of GIT. Based on the in vitro and in vivo results, use of S-isomer for development of a dosage form such as gastro- Zovirax 800 Tab retentive dosage form can improve oral bioavailability of CP.

vantin oral suspension 2016-04-25

Immediate antimicrobial therapy with trimethoprim-sulfamethoxazole, nitrofurantoin, or fosfomycin is indicated for acute cystitis in adult women. Increasing resistance rates among uropathogens have complicated treatment of acute cystitis. Individualized assessment of risk factors for resistance and regimen tolerability is needed to choose the optimum empirical regimen.

buy vantin online 2015-09-12

The objective of the present work was to improve bioavailability of cepodoxime proxetil through gastroretentive microballoon formulation.

vantin drug classification 2017-09-27

We compared the effects of nifedipine and diltiazem on the uptake of cefpodoxime proxetil (CP). The study was aimed at establishing the impact of increased mesenteric blood flow due to calcium channel blockers on passive transport. Twelve volunteers were given CP (200 mg) orally in a crossover design. The absorption, disposition, and elimination parameters of cefpodoxime were compared among the following three treatment groups: CP alone, CP following oral administration of diltiazem (60 mg), or CP following oral administration of nifedipine (20 mg). No statistically significant difference in pharmacokinetic parameters was observed between the three treatment groups.

generic vantin 100mg 2015-08-24

The method employed HPTLC aluminum plates precoated with silica gel 60 RP-18 F(254) as the stationary phase. The solvent system consisted of toluene:methanol:chloroform (4:2:4 v/v). The system was found to give compact spot for cefpodoxime proxetil (R(f) value of 0.55 ± 0.02). Densitometric analysis of cefpodoxime proxetil was carried out in the absorbance mode at 289 nm.

vantin tablets 2017-03-03

The aim was to demonstrate the equivalence of the clinical efficacy and safety of cefpodoxime-proxetil (200 mg bid for 5 days) to that of amoxicillin-clavulanic acid (1 g/125 mg bid for 8 days) in adults with acute maxillary sinusitis.