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Omnicef (Cefdinir)
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Omnicef

Generic Omnicef is effective against susceptible bacteria causing infections of the middle ear (otitis media), tonsils (tonsillitis ), throat, larynx (laryngitis), bronchi (bronchitis), lungs (pneumonia), and skin and other soft tissues.

Other names for this medication:
Addcef, Adinir, Aldinir, Cednir, Cefdinirum, Cefdir, Cefida, Ceflosil, Cefnil, Ceftanir, Ceftinex, Cefzon, Cefzone, Kefnir, Palcef, Samnir, Sefdin

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Also known as: Cefdinir.

Description

Generic Omnicef is a semi-synthetic (partially man-made) oral antibiotic in the cephalosporin family of antibiotics. Like other cephalosporins cefdinir stops bacteria from multiplying by preventing bacteria from forming walls that surround them. The walls are necessary to protect bacteria from their environment and to keep the contents of the bacterial cell together. Bacteria cannot survive without a cell wall. Generic Omnicef is active against a very wide spectrum of bacteria, including Staphylococcus aureus; Streptococcus pneumoniae; Streptococcus pyogenes (the cause of strep throat); Hemophilus influenzae; Moraxella catarrhalis; E. coli ; Klebsiella; and Proteus mirabilis. It is not active against Pseudomonas. Therapeutic uses of cefdinir include otitis media (infections of the middle ear), infections of soft tissues, and respiratory tract infections.

Generic name of Generic Omnicef is Cefdinir.

Omnicef is also known as Cefdinir, Sefdin, Adcef.

Brand name of Generic Omnicef is Omnicef.

Dosage

Generic Omnicef is taken once or twice daily, depending on the nature and severity of the infection.

The capsules or suspension can be taken with or without food.

Patients with advanced renal disease may need to take lower doses to prevent accumulation of cefdinir since it is eliminated from the body by the kidneys.

For adult infections the usual dose is 300 mg every 12 hours or 600 mg per day for 5-10 days depending on the nature and severity of the infection.

The recommended dose for children 6 months to 12 years of age is 7 mg/kg every 12 hours or 14 mg/kg per day for 5-10 days depending on the infection.

For most infections once daily dosing is as effective as twice daily dosing, though once daily dosing has not been evaluated for the treatment of skin infections or pneumonia.

Do not stop taking Generic Omnicef suddenly.

Overdose

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

Storage

Store at room temperature between 20 and 25 degrees C (68 and 77 degrees F) away from moisture and heat. 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 Omnicef 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 Omnicef if you are allergic to Generic Omnicef components.

Do not take Generic Omnicef while you are pregnant or have nurseling.

Try to be careful with Generic Omnicef usage in case of having asthma, emphysema or bronchitis along with asthma, certain heart problems (e.g., congestive heart failure, cardiogenic shock, heart block or any conduction or sinus node problems, very slow heartbeat), untreated blood mineral imbalance (electrolyte imbalance), very low blood pressure, kidney or liver problems.

Avoid alcohol.

It can be dangerous to stop Generic Omnicef taking suddenly.

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Risk stratification is the recommended approach for treatment of acute exacerbation of chronic bronchitis (AECB) to optimize the chances of clinical success. The suggested oral therapy for "simple or uncomplicated" AECB, which is predominantly a result of infection due to Haemophilus influenzae, Moraxella catarrhalis, and Streptococcus pneumoniae, includes advanced macrolides and 2nd- or 3rd-generation cephalosporins, in addition to the older 1st-line agents (aminopenicillins, doxycycline, trimethoprim/sulfamethoxazole, and erythromycin). In light of increasing resistance of H. influenzae and S. pneumoniae to the older agents, the specific directed structural modification of the cephalosporin nucleus resulted in the development of extended-spectrum 3rd-generation oral cephems with enhanced beta-lactamase stability and improved activity against Gram-positive pathogens (penicillin-susceptible S. pneumoniae and oxacillin-susceptible Staphylococcus aureus). Analysis of results of double-blind randomized clinical trials assessing efficacy of the extended-spectrum oral cephems published since 2000 demonstrates that both cefdinir and cefditoren have similar point estimates of success in comparison to their comparators (cefuroxime, cefprozil, or Locarbacef), when either the clinical cure or the bacteriologic response was analyzed. Thus, oral extended-spectrum 3rd-generation cephems, which retain antimicrobial efficacy against the traditional respiratory pathogens despite changing resistance patterns, offer excellent coverage against the key pathogens involved in simple or uncomplicated AECB.

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To compare parent-reported outcomes (satisfaction, tolerability, compliance, and work/daycare missed) for children (aged 6 months to 6 years) receiving either cefdinir or amoxicillin/clavulanate for acute otitis media.

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The new oral cephalosporins cefpodoxime, cefixime, cefdinir, cefetamet and ceftibuten demonstrate enhanced activity against Enterobacteriaceae susceptible to the established compounds as well (e.g. cefuroxime, cefaclor, cefadroxil). In addition, cefpodoxime, cefixime, cefdinir, cefetamet and ceftibuten include in their spectrum species hitherto resistant to oral cephalosporins (Proteus vulgaris, Providencia spp., Yersinia enterocolitica). Besides, the majority of these compounds demonstrate relevant activity (MIC50 equal to or below 2 mg/l) against Enterobacter spp., Citrobacter freundii, Serratia spp. and Morganella morganii. Ceftibuten is the most potent oral cephalosporin against most of the Enterobacteriaceae. Non-fermentative bacilli (Acinetobacter spp., Pseudomonas spp.) remain completely resistant to oral cephalosporins (except some Acinetobacter species against cefdinir and Pseudomonas cepacia against ceftibuten). Antistaphylococcal activity for oral cephalosporins is highest for cefdinir followed by BAY 3522, cefprozil, cefuroxime and cefpodoxime. Loracarbef, cefaclor and cefadroxil are about equally active, while the other compounds are only weakly active (cefixime) or inactive (cefetamet, ceftibuten). Enterococci are insensitive to new generation oral cephalosporins as they have been to established compounds. The most active oral cephalosporins against hemolytic streptococci are cefdinir and cefprozil. Streptococcus pneumoniae, Streptococcus milleri and Streptococcus mitior are most susceptible to cefpodoxime, cefdinir, cefuroxime and BAY 3522. Penicillin resistant pneumococci have to be regarded as resistant to all oral cephalosporins. Fastidious pathogens like Haemophilus spp., Moraxella catarrhalis and Neisseria gonorrhoeae are more susceptible to cefpodoxime, cefixime, cefdinir, cefetamet and ceftibuten than to the other oral cephalosporins. The activity of oral cephalosporins is only weak against Listeria spp., Helicobacter pylori and anaerobic pathogens (except BAY 3522). Bordetella pertussis remains resistant to all absorbable cephalosporins. Progress in antibacterial activity of oral cephalosporins was mainly achieved by cefpodoxime, cefixime, cefdinir, cefetamet and ceftibuten against Enterobacteriaceae and the fastidious pathogens and against staphylococci and the nonenterococcal streptococci by cefdinir, BAY 3522, cefprozil and cefpodoxime.

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cefdinir is safe and effective, shorten the course of treatment in the treatment of mild to moderate bacterial community acquired pneumonia.

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Six hundred ninety patients were enrolled in a multicenter, randomized, double-blind trial comparing the efficacy and safety of cefdinir with those of cefaclor in the treatment of community-acquired pneumonia. Patients received either 10 days of treatment with cefdinir (n = 347) at 300 mg twice daily or 10 days of treatment with cefaclor (n = 343) at 500 mg three times daily. Microbiological assessments were performed on sputum specimens obtained at admission and at the two posttherapy visits, if available. Respiratory tract pathogens were isolated from 538 (78%) of 690 patient admission sputum specimens, with the predominant pathogens being Haemophilus parainfluenzae, Haemophilus influenzae, Streptococcus pneumoniae, and Staphylococcus aureus. The microbiological eradication rates at the test-of-cure visit were 92% (238 of 260 pathogens) and 93% (245 of 264 pathogens) for the evaluable patients treated with cefdinir and cefaclor, respectively. A satisfactory clinical response (cure plus improvement) was achieved in 89% (166 of 187) and 86% (160 of 186) of the evaluable patients treated with cefdinir and cefaclor, respectively. Except for the incidence of diarrhea, adverse event rates while on treatment were equivalent between the two treatment groups. Diarrhea incidence during therapy was higher for patients treated with cefdinir (13.7%) than for patients treated with cefaclor (5.3%). These results indicate that cefdinir is effective and safe in the treatment of patients with pneumonia.

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Various 7 beta-[2-(2-aminothiazol-4-yl)-2-substituted acetamido]-3-vinyl-3-cephem-4-carboxylic acid derivatives (Ia--e, IIa--g) were synthesized in order to find a new orally active cephalosporin improving the antibacterial activity of cefixime (CFIX) against Staphylococcus aureus. These derivatives include three types of alpha-substituted 2-(2-aminothiazol-4-yl)acetyl side chain; i) mono or non substituted acetyl moiety, ii) carboxyalkoxyimino acetyl moiety, iii) phosphonomethoxyimino and hydroxyimino acetyl moiety. Their structure-activity relationships and urinary recoveries in rats were studied. As a result, the compound with a hydroxyimino acetyl side chain (IIg, FK482) showed good oral absorption and excellent antibacterial activity against both gram-positive and gram-negative bacteria and was selected as a candidate for clinical trial.

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Eight newer orally administered cephems (cefdinir, cefetamet, cefixime, cefpodoxime, cefprozil, ceftibuten, cefuroxime, and loracarbef) were tested against 100 clinical strains of Morganella morganii to determine the extent of serious interpretive very major (false-susceptible) errors when current criteria for the disk diffusion test are applied. Agar dilution MICs and disk diffusion tests were performed as recommended by the National Committee for Clinical Laboratory Standards (Villanova, Pa.) (NCCLS), and the methods were compared by regression analysis using the method of least squares and by error rate bounding. The following results are listed in the order of increasing error rates: cefdinir, loracarbef, and cefprozil, < or = 1% very major error; ceftibuten, 8% minor errors; cefuroxime, 21% minor errors; cefixime, cefpodoxime, and cefetamet, very major errors of 15, 24, and 36%, respectively. M. morganii produces unacceptable rates of test error with cefuroxime, cefixime, cefpodoxime, and cefetamet. The latter two cephalosporins currently have NCCLS table footnote warnings covering the problem observed with this organism. The inclusion of cefuroxime and cefixime in the NCCLS table footnote is strongly recommended.

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To evaluate the palatability, cost and other compliance issues as variables in the selection of antibiotic suspensions for children.

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The effects of two kinds of oral cephalosporins, cefixime and cefdinir, on cytochrome P450 (CYP) activities in human hepatic microsomes were investigated. Both cefixime and cefdinir at 2 mM concentration neither inhibited nor stimulated CYP1A1/2-mediated 7-ethoxyresorufin O-deethylation, CYP2A6-mediated coumarin 7-hydroxylation, CYP2B6-mediated 7-benzyloxyresorufin O-debenzylation, CYP2C8/9-mediated tolbutamide methylhydroxylation, CYP2C19-mediated S-mephenytoin 4'-hydroxylation, CYP2D6-mediated bufuralol 1'-hydroxylation, CYP2E1-mediated chlorzoxazone 6-hydroxylation, CYP3A4-mediated nifedipine oxidation, or CYP3A4-mediated testosterone 6beta-hydroxylation. The free fractions of cefixime and cefdinir in the incubation mixture, which were measured by ultracentrifugation, were 86.1-93.8% and 94.1-97.8%, respectively. These results suggest that both cefixime and cefdinir would not cause clinically significant interactions with other drugs, which are metabolized by CYPs, via the inhibition of metabolism.

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With the exception of a few localized reports, resistance to moxifloxacin and other new fluoroquinolones in common respiratory pathogens is a rare occurrence, despite significant resistance to other compound classes. Surveillance will play a key role in tracking changes in fluoroquinolone susceptibility in European countries.

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Cefdinir (Cef) is an orally active Biopharmaceutics Classification System (BCS) class IV drug with incomplete absorption and low bioavailability (16-21%). The aim of this investigation was to develop nanosuspensions (NS) of Cef to improve its oral bioavailability. Cef NS were prepared by the media milling technique using zirconium oxide beads as the milling media. Cef NS were characterized by particle size, Scanning Electron Microscopy, Differential Scanning Calorimetry, X-Ray Diffraction pattern and evaluated for saturation solubility, in vitro release studies, ex vivo permeability studies and in vivo bioavailability studies. The particle size and zeta potential were found to be 224.2 ± 2.7 nm and -15.7 ± 1.9 mV, respectively. Saturation solubility of NS was found to be 1985.3 ± 10.2 µg/ml which was 5.64 times higher than pure drug (352.2 ± 6.5 µg/ml). The DSC thermograms and XRD patterns indicated that there was no interaction between drug and excipients and that the crystallinity of Cef remained unchanged after media milling process. Results of in vitro release studies and ex vivo permeation studies showed improved drug release of 88.2 1 ± 2.90 and 83.11 ± 2.14%, respectively, from NS after 24 h as compared to drug release of 54.09 ± 2.54 and 48.2 1 ± 1.27%, respectively, from the marketed suspension (Adcef). In vivo studies in rats demonstrated a 3-fold increase in oral bioavailability from the NS in comparison to marketed suspension. The results of this investigation conclusively show that the developed nanosuspension of Cef exhibited improved solubility, dissolution and permeation which led to a significant enhancement in its oral bioavailability.

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A total of 2751 patients were enrolled (age <13 years, n = 1274; age > or =13 years, n = 1477). Patients were randomized to receive cefdinir once daily (n = 569) or twice daily (n = 1086) for 5 or 10 days, or penicillin 4 times daily (n = 1096) for 10 days. Of the 2751 patients enrolled, 2198 were evaluable for clinical and microbiologic outcomes. Compared with the 10-day penicillin regimens, the cefdinir regimens for 5 or 10 days produced higher clinical cure and microbiologic eradication rates. Combined clinical cure rates were significantly higher for cefdinir compared with penicillin (94% vs 83%, respectively; P < 0.001). Combined microbiologic eradication rates were also significantly higher for cefdinir compared with penicillin (92% vs 77%; P < 0.001). Both cefdinir and penicillin were well tolerated, as >98% of patients completed the course of therapy.

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This meta-analysis indicates that the likelihood of bacteriologic and clinical failure of GABHS tonsillopharyngitis is significantly less if an oral cephalosporin is prescribed, compared with oral penicillin.

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omnicef antibiotic cost 2015-08-14

We analyzed the National Ambulatory Medical Care Survey, 2002-2006 (N = 1114), which occurred in US physicians' offices. The patients were children aged 6 months to 12 years who were diagnosed with AOM. The time comparisons were the 30-month Avalide Online periods before and after the guideline. The main outcome was the encounter rate at which no antibiotic-prescribing was reported. Secondary outcomes were the identification of factors associated with encounters at which no antibiotic-prescribing was reported and antibiotic- and analgesic-prescribing rates.

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Four hundred seventy members of the American Society of Pediatric Otolaryngologists (ASPO) and 150 general otolaryngologists from the Florida Society Bactrim Generic of Otolaryngology (FSO) were surveyed.

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Anhydrous cefdinir (AC) vs. monohydrated cefdinir (MHC) was compared in order to be used as antimicrobial in therapeutics. Different techniques have been used to characterize physically AC and MHC, and also a complete microstructural analysis of raw materials was carried out. Cefdinir and Maltodextrin QDM 500 (3:2) formulations were compressed in order to obtain tablets with typical dose of Cefdinir, i.e. 300 mg. Dissolution profiles were obtained for both AC and MHC tablets. Finally tablet X-ray diffraction was performed to ensure the stability of the monohydrated form after tabletting being clearly different in both AC and MHC crystals. AC crystal structure was agreed with the known pattern of anhydrous Cefdinir described in the literature. Microstructural analysis showed large differences in specific surface area (SSA), confirmed by mercury intrusion. Crystal structures of both AC and MHC were stable under mixing, compression and storing processes. Dissolution profiles were faster for hydrate form, probably related to microstructural properties of the Floxin Otic Cost crystal which remained after tabletting. In conclusion, it is possible to isolate Cefdinir in two forms anhydrous and monohydrate, well characterized and differentiated. The use of this later improves dissolution of tablet dosage form due to the lack of interconversion during tablet manufacture.

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We Tenoretic Online examined the antibacterial action of several tannins on plasma coagulation by Staphylococcus aureus and the effect of conventional chemotherapy combined with tannic acid below the MIC. Coagulation was inhibited in plasma containing tannic acid (100 mg/L), gallic acid (5000 mg/L), ellagic acid (5000 mg/L), (-)-epicatechin (1500 mg/L), (-)-epicatechin gallate (500 mg/L) or (-)-epigallocatechin gallate (200 mg/L) after incubation for 24 h. All tannins inhibited coagulation at a concentration below the MIC. The MICs of oxacillin and cefdinir for S. aureus were reduced to < or = 0.06 mg/L in Mueller-Hinton agar plates with tannic acid (100 mg/L) at a concentration below the MIC. The antistaphylococcal activity of tannic acid was reduced in plates with 10% rabbit blood, but not in those with 10% rabbit plasma. Membranous structures formed in a culture medium containing equal proportions of plasma and tryptic soy broth after incubation for 24 h. The colony counts of S. aureus in membranous structures in the medium containing oxacillin (40 mg/L) and tannic acid (100 mg/L) were c. 10-fold lower than those in medium containing oxacillin (40 mg/L) alone (P < 0.01). Tannic acid merits further investigation as a possible adjuvant agent against S. aureus skin infections treated with beta-lactam antibiotics.

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We sought to describe the impact Biaxin Generic Side Effects a clinical practice guideline (CPG) had on antibiotic management of children hospitalized with community-acquired pneumonia (CAP).

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To study the Losartan Cozaar Generic in vitro antibacterial activity of cefdinir against clinical isolates of respiratory tract pathogens in Children.

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The effects of two kinds of oral cephalosporins, cefixime and cefdinir, on cytochrome P450 (CYP) activities in human hepatic microsomes were investigated. Both cefixime and cefdinir at 2 mM concentration neither inhibited nor stimulated CYP1A1/2-mediated 7-ethoxyresorufin O-deethylation, CYP2A6-mediated coumarin 7-hydroxylation, CYP2B6-mediated 7-benzyloxyresorufin O-debenzylation, CYP2C8/9-mediated tolbutamide methylhydroxylation, CYP2C19-mediated S-mephenytoin 4'-hydroxylation, CYP2D6-mediated bufuralol 1'-hydroxylation, CYP2E1-mediated chlorzoxazone 6-hydroxylation, CYP3A4-mediated nifedipine oxidation, or CYP3A4-mediated testosterone 6beta-hydroxylation. The free fractions of cefixime and cefdinir in the Cleocin T Buy Online incubation mixture, which were measured by ultracentrifugation, were 86.1-93.8% and 94.1-97.8%, respectively. These results suggest that both cefixime and cefdinir would not cause clinically significant interactions with other drugs, which are metabolized by CYPs, via the inhibition of metabolism.

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The in vitro effects of cefixime and cefdinir (CI 983), two so-called third-generation oral cephalosporin derivatives, on human polymorphonuclear and mononuclear phagocyte functions (random migration and chemotaxis, specific and nonspecific phagocytosis, nitroblue tetrazolium reduction, superoxide production, microbicidal activity) were studied. Neither antibiotic, in the range of its attainable therapeutic concentration, exhibited any toxic effect on random migration, chemotaxis, metabolic activation and microbicidal mechanisms of phagocytic cells Tenoretic 50 Generic . Cefixime did not interfere in phagocytosis while cefdinir enhanced both phagocytosis frequency and index. The modulating effect on phagocytosis exerted by cefdinir was achieved at very low antibiotic concentrations (0.06 mg/l for polymorphonuclear leukocytes and 0.03 mg/l for monocytes) when non-opsonized zymosan particles were used as phagocytic challenge. Moreover, the effect was demonstrated both in the presence of cefdinir and after pretreatment of cells with the antibiotic and its removal by washings. As for specific phagocytosis, parameters were slightly increased by cefdinir but only the phagocytosis index was significantly improved in the presence of 2 mg/l of antibiotic.

omnicef antibiotic cost 2017-02-28

To compare the efficacy and safety of five-day cefdinir treatment with seven-day loracarbef treatment in patients with acute exacerbations of chronic bronchitis, 586 patients were enrolled in a multicentre, randomised, double-blind trial. Patients received either five days of treatment with cefdinir (n = 291) at 300 mg twice daily or seven days of treatment with loracarbef (n = 295) at 400 mg twice daily. Microbiological assessments were done on sputum specimens obtained at admission and at the two post-therapy visits, if available. The clinical cure rates were 86% (138/160) and 85% (141/166) for the evaluable patients treated with cefdinir and loracarbef, respectively. Floxin Otic Drops Cost Respiratory tract pathogens were isolated from 457 (78%) of 586 admission sputum specimens, with the predominant pathogens being Haemophilus parainfluenzae, H. influenzae, Moraxella catarrhalis and Staphylococcus aureus. The microbiological eradication rates at the test-of-cure visit were 88% (193/219 pathogens) and 90% (227/251 pathogens) for the evaluable patients treated with cefdinir and loracarbef, respectively. Adverse event rates while on treatment were 30% and 21% for cefdinir- and loracarbef-treated patients, respectively. These results indicate that a five-day regimen of cefdinir is effective and safe for the treatment of patients with acute exacerbations of chronic bronchitis.

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Most of Bartholin's gland abscesses have been thought to be caused by microorganisms found in opportunistic infections. However, we have encountered two very interesting cases of Bartholin's gland abscesses caused by Streptococcus pneumoniae and Haemophilus influenzae, two major pathogens of respiratory tract infections. In the first case, since abscess formation was not observed due to disintegration, cefdinir (CFDN), 300 mg/day, t.i.d. for 5 days was administered. The treatment improved clinical symptoms, but relapse occurred 3 days after the administration was discontinued. Microbiological examination of pus revealed the presence of Streptococcus pneumoniae and Finegoldia magna, and it also showed that the isolated S. pneumoniae was penicillin-resistant S. pneumoniae (PRSP). After an incision and drainage of abscess, cefteram pivoxil (CFTM-PI), 300 mg/day t.i.d. for 7 days, was administered, and the cure was confirmed. In the second case, after an incision and drainage of Bartholin's gland abscess, amoxicillin (AMPC), 750 mg/day, t.i.d. for 5 days, was administered. The treatment improved clinical symptoms temporarily. However, the symptoms deteriorated 7 days after the operation, and the patient was diagnosed with relapse. Microbiological examination of pus revealed the presence of Haemophilus influenzae and Peptostreptococcus anaerobius, and it also showed that the isolated H. influenzae was beta-lactamase-nonproducing ampicillin-resistant H. influenzae (BLNAR). After performing additional incision and drainage of abscess again, CFTM-PI, 300 mg/day, t.i.d. for 7 days, was administered, and the cure was confirmed. In addition, the analysis of these two cases using PK/PD theory revealed that the time above MIC reached 100% with administration of CFTM-PI 300mg, t.i.d. suggesting that the dosage is sufficient for treating these infections. There are other cases of external genitalia infections caused by microorganisms usually associated with respiratory tract infections like cases that we are reporting here. Therefore, it is necessary to consider a possible infection by drug-resistant bacteria even for a case of external genitalia infection. In addition, it was thought that adjusting dosage and method for administration of antibacterial agents based on PK/PD theory would help to rovide efficient treatment.