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Cefdinir (Omnicef)

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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

Similar Products:
Amoxil, Bactrim, Ampicillin, Augmentin, Biaxin


Also known as:  Omnicef.


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.


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.


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


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 Cefdinir are:

  • buy cefdinir online
  • where to buy cefdinir
  • buy cefdinir
  • buy cefdinir 300mg

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


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.

buy cefdinir 300mg

Cefdinir (Omnicef) is an oral third-generation cephalosporin with good in vitro activity against many pathogens commonly causative in community-acquired infections. The drug provides good coverage against Haemophilus influenzae, Moraxella catarrhalis and penicillin-susceptible Streptococcus pneumoniae, the most common respiratory tract pathogens. Cefdinir is stable to hydrolysis by commonly occurring plasmid-mediated beta-lactamases and retains good activity against beta-lactamase-producing strains of H. influenzae and M. catarrhalis. The drug distributes into various tissues (e.g. sinus and tonsil) and fluids (e.g. middle ear), and has a pharmacokinetic profile that allows for once- or twice-daily administration.Cefdinir, administered for 5 or 10 days, has shown good clinical and bacteriological efficacy in the treatment of a wide range of mild-to-moderate infections of the respiratory tract and skin in adults, adolescents and paediatric patients in randomised, controlled trials. In adults and adolescents, cefdinir is an effective treatment for both lower (acute bacterial exacerbations of chronic bronchitis [ABECB], community-acquired pneumonia) and upper (acute bacterial rhinosinusitis, streptococcal pharyngitis) respiratory tract infections, and uncomplicated skin infections. Its bacteriological and clinical efficacy in patients with lower respiratory tract infections was equivalent to that of comparator agents (cefprozil [bacteriological only], loracarbef, cefuroxime axetil and cefaclor). In one trial in patients with ABECB, cefdinir produced a higher rate of clinical cure than cefprozil (95% CIs indicated nonequivalence). Cefdinir also produced good clinical and bacteriological responses equivalent to responses with amoxicillin/clavulanic acid in patients with acute bacterial rhinosinusitis. In addition, it was at least as effective as penicillin V (phenoxymethylpenicillin) in streptococcal pharyngitis/tonsillitis and as effective as cefalexin in uncomplicated skin infections. In paediatric patients aged > or =6 months, cefdinir showed similar efficacy to that of amoxicillin/clavulanic acid or cefprozil in acute otitis media, and cefalexin in uncomplicated skin infections. Cefdinir given for 5 or 10 days was at least as effective as penicillin V for 10 days in patients with streptococcal pharyngitis/tonsillitis. Cefdinir is usually well tolerated. Diarrhoea was the most common adverse event in trials in all age groups. Although the incidence of diarrhoea in cefdinir recipients was generally higher than in adults and adolescents treated with comparators, discontinuation rates due to adverse events were generally similar for cefdinir and comparator groups. In conclusion, cefdinir is a third-generation cephalosporin with a broad spectrum of antibacterial activity encompassing pathogens that are commonly causative in infections of the respiratory tract or skin and skin structure. Depending on the infection being treated, cefdinir can be administered as a convenient once- or twice-daily 5- or 10-day regimen. Clinical evidence indicates that cefdinir is an effective and generally well tolerated drug with superior taste over comparator antibacterial agents and is therefore a good option for the treatment of adults, adolescents and paediatric patients with specific mild-to-moderate respiratory tract or skin infections, particularly in areas where beta-lactamase-mediated resistance among common community-acquired pathogens is a concern.

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Children ages 6 months through 12 years with clinical symptoms and tympanic membrane signs of AOM, plus tympanometric-confirmed middle ear effusion in at least 1 ear. Of the 435 patients enrolled in the study, 373 were evaluable.

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A simple and sensitive HPLC method was developed to determine cefdinir (CAS 91832-40-5) in human plasma. The method was validated by investigating the accuracy and precision for intra- and inter-day runs in a linear concentration from 0.05-2.0 µg/ml. The object of this study was to compare the bioavailability of cefdinir capsule (reference) and cefdinir granule (test) containing 100 mg of cefdinir. A randomized, open-label, single-dose, 2-way crossover bioequivalence study in 20 healthy, Chinese, male subjects was conducted. A 1-week wash-out period was applied. Blood samples were collected before and with 10 h after drug administration. The formulations were compared using the following pharmacokinetic parameters: AUC0-t, AUC0-∞ and C max. The 90% confidence interval (CI) of the ratios of log-transformed AUC0-t and AUC0-∞ were used to assess bioequivalence between the 2 formulations using the equivalence interval of 80 and 125%. The results showed that the 90% CI of the ratios of AUC0-t, AUC0-∞ and C max were 102.5% (94.7-111.0%), 103.4% (94.8-112.7%) and 106.4% (97.0-116.7%), respectively, which indicated 2 formulations of cefidinir are bioequivalent. Both treatments showed similar tolerability and safety.

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Previous studies suggest that the unexplained sudden and severe onset of obsessive-compulsive disorder (OCD) and/or tics may be infection or immune precipitated. Beta lactam antibiotics may be neuroprotective beyond their antimicrobial efficacy. We examine the preliminary safety and efficacy of cefdinir in reducing obsessive-compulsive and/or tic severity in children with new-onset symptoms.

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buy cefdinir online 2015-10-17

A sensitive and selective liquid chromatographic-tandem mass spectrometric (LC-MS/MS) method was developed for the determination of Buy Azithromycin Europe cefdinir in human plasma. After a simple protein precipitation using trichloracetic acid, the post-treatment samples were applied to a prepacked RP18 Waters SymmetryShield column interfaced with a triple quadrupole tandem mass spectrometer. Positive electrospray ionization was employed as the ionization source. The mobile phase consisted of methanol-water-formic acid (25:75:0.075, v/v/v). The analyte and I.S. cefaclor were both detected by the use of selected reaction monitoring mode. The method was linear in the concentration range of 5-2,000 ng/ml. The lower limit of quantification was 5 ng/ml. The intra- and inter-day relative standard deviation across three validation runs over the entire concentration range was less than 4.3%. The accuracy determined at three concentrations (36, 360 and 1,800 ng/ml for cefdinir) ranged from 99.6 to 106.7% in terms of recovery. The chromatographic run time for each plasma sample was less than 3 min. The method herein described was successfully applied for the evaluation of pharmacokinetic profiles of cefdinir capsule in 12 healthy volunteers.

buy cefdinir 300mg 2015-08-10

Some antibiotics at sub-inhibitory concentrations are able to alter bacterial surface structures and modulate adhesiveness by affecting the expression of microbial adhesins. An important mechanism of pulmonary defence against pathogens is SP-A, one of the proteins of the alveolar surfactant having opsonizing activity. The aim of this study was to investigate the effect that sub-inhibitory concentrations of different antibiotics and physiological concentrations of SP-A (1 and 5 microg/ml) could exert on the adherence of respiratory pathogens to the bronchial epithelial cell line, WI26VA4. Cefdinir and clarithromycin showed high efficacy, mainly Levaquin To Buy at 1/2 MIC, in reducing the adherence of Staphylococcus aureus, Streptococcus pneumoniae and Haemophilus influenzae strains to values lower or equal to 50% of the control; sparfloxacin showed the same effect on S. aureus and S. pneumoniae but teicoplanin only on S. pneumoniae. Other similar results were observed with netilmicin on Klebsiella pneumoniae (40%) and with cefepime and ciprofloxacin on Pseudomonas aeruginosa (60%). Clarithromycin reduced the adherence of K. pneumoniae to 80% although it is not active against this strain. Adherence of the test strains was not modified by SP-A alone or in combination with any of the antibiotics used.

where to buy cefdinir 2015-06-17

Of 393 Zithromax To Buy Uk isolates of Streptococcus pneumoniae from U.S. children collected in 2005-2006, nonvaccine serotypes accounted for 89.1%, with serotype 19A the most prevalent, representing 30.5% of all isolates. The MIC(90) of faropenem against serotype 19A isolates was 1 mug/ml, compared to > or =8 microg/ml against amoxicillin/clavulanate, cefdinir, cefuroxime axetil, and azithromycin.

buy cefdinir 2017-08-19

Of 447 children enrolled, 230 were clinically and bacteriologically evaluable (74% 2 years old or younger; 57% treated for AOM in previous 3 months). Bacteriologic eradication, based on repeat tympanocentesis on days 4-6, was achieved in 74% (170 of 230) of children; 76% (201 of 266) of AOM pathogens were eradicated. Eradication of penicillin-susceptible, -intermediate and -resistant S. pneumoniae was 91% (50 of 55), 67% (18 of 27) and 43% (10 of 23), respectively (P < 0.001); eradication of H. influenzae was 72% (90 of 125). Overall clinical response at days 12-14 was 83% (76 and 82% for children with S Buy Augmentin Online Europe . pneumoniae and Haemophilus influenzae, respectively). Sustained clinical response at days 25-28 was 85%. Clinical response was 83% for culture-positive children versus 96% for culture-negative children at baseline tympanocentesis (P < 0.001).