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Cefadroxil (brand names include: Duricef / Baxan / Biodroxil / Cedrox / Cefadrol / Droxyl / Duracef / Gruncef / Lydroxil / Odoxil / Vepan) is a broad-spectrum antibiotic of the cephalosporin class. Cefadroxil is used for the treatment of bacterial infections.

Other names for this medication:
Cedrox, Duricef

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Also known as:  Duricef.


Cefadroxil (formerly trademarked as Duricef) is a broad-spectrum antibiotic of the cephalosporin type, effective in Gram-positive and Gram-negative bacterial infections. It is a bactericidal antibiotic.

Cefadroxil is a first-generation cephalosporin antibacterial drug that is the para-hydroxy derivative of cefalexin, and is used similarly in the treatment of mild to moderate susceptible infections such as the bacterium Streptococcus pyogenes, causing the disease popularly called strep throat or streptococcal tonsillitis, urinary tract infection, reproductive tract infection, and skin infections.


Cefadroxil is acid-stable and may be administered orally without regard to meals. Administration with food may be helpful in diminishing potential gastrointestinal complaints occasionally associated with oral cephalosporin therapy.

Urinary Tract Infections: For uncomplicated lower urinary tract infections (i.e., cystitis) the usual dosage is 1 or 2 g per day in a single (q.d.) or divided doses (b.i.d.).

For all other urinary tract infections the usual dosage is 2 g per day in divided doses (b.i.d.).

Skin and Skin Structure Infections: For skin and skin structure infections the usual dosage is 1 g per day in single (q.d.) or divided doses (b.i.d.).

Pharyngitis and Tonsillitis: Treatment of group A beta-hemolytic streptococcal pharyngitis and tonsillitis—1 g per day in single (q.d.) or divided doses (b.i.d.) for 10 days.


If the patient misses a dose, the dose should be taken as soon as it is remembered. Doses thereafter should then be evenly spaced with approximately 4-6 hours between doses, depending on the prescription dosing. Patients should not make up a missed dose by doubling up on their medication. Taking double doses will not speed recovery time, either. Taking doses close together or self administering a double dose is likely to cause an overdose which may lead to other health complications. An overdose may cause nausea, vomiting, diarrhea, dehydration, and abdominal cramps and requires immediate medical assessment.


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

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


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

Be very careful with Generic Cefadroxil while you are pregnant or have nurseling.

Try to be careful with Generic Cefadroxil usage in case of having kidney disorder, gastrointestinal disease.

Try to be careful with Generic Cefadroxil if you have allergies to medicines, foods or other substances.

Try to be careful with Generic Cefadroxil if you are taking any prescription or nonprescription medicine, herbal preparation or dietary supplement.

Avoid alcohol.

It can be dangerous to stop Generic Cefadroxil taking suddenly.

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Between May and December 2005, 64 multidrug-resistant isolates of Klebsiella pneumoniae were detected from patients admitted to Uppsala University Hospital. This represented a dramatic increase in ESBL-producing K. pneumoniae compared to previous years. To investigate the epidemiology and to characterize the resistance mechanisms of the isolates, a study was initiated. Antibiotic susceptibility was determined by means of the Etest and the disc diffusion method. Extended-spectrum beta-lactamase (ESBL) production was identified by clavulanic acid synergy test and confirmed with PCR amplification followed by DNA sequencing. DNA profiles of the isolates were examined with pulsed-field gel electrophoresis (PFGE). All isolates were resistant or exhibited reduced susceptibility to cefadroxil, cefuroxime, cefotaxime, ceftazidime, aztreonam, piperacillin/tazobactam, ciprofloxacin, tobramycin, and trimethoprim-sulfamethoxazole. They produced ESBL of the CTX-M-15 type, and the involvement of a single K. pneumoniae clone was shown. This is the first major clonal outbreak of multiresistant ESBL-producing K. pneumoniae in Scandinavia. The outbreak demonstrates the epidemic potential of enterobacteria containing ESBLs of the CTX-M type, even in a country with a relatively low selective pressure and a low prevalence of multiresistant bacteria.

is cefadroxil a penicillin

Pharmacological and antimicrobial properties of cefadroxil, a new cephalosporin antibiotic, were compared with cephalexin. Absorption and excretion were studied in 20 healthy men. Peak concentrations of the drugs in serum were similar after ingestion of single 500-mg tablets. The concentration of cefadroxil in serum was more sustained than that of cephalexin. Levels of cefadroxil in serum after a dose of 1,000 mg were approximately twice those after a 500-mg dose through 6 h. Each drug administered in a dose of 500 mg every 6 h for 24 h resulted in concentrations in serum that were similar to a single dose without accumulation. Ninety-three percent of the cefadroxil and 85% of the cephalexin were excreted in urine after ingestions of single 500-mg tablets. The urine concentration of cefadroxil was more sustained than cephalexin. Minimal inhibitory and minimal bactericidal concentrations for clinical isolates were comparable with each drug. Cefadroxil compares favorably with cephalexin in this study. Sustained levels of cefadroxil in serum and urine suggest that this drug may be given at less frequent intervals than cephalexin.

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We describe a young woman who had had treatment-refractory complex regional pain syndrome (CRPS) for 6 years before receiving antibiotic treatment with cefadroxil (a cephalosporin derivative) for a minor infection. Cefadroxil reduced the patient's pain and motor dysfunction (dystonia and impaired voluntary movement) within days; the pain and motor disorder returned when cefadroxil was discontinued; and both again abated when cefadroxil was re-instituted. The patient has now had symptom relief for more than 3 years on continuing cefadroxil therapy. We discuss this case in the context of previous reports of antibiotic treatment relieving neuropathic pain in experimental animals.

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Cats with clinical signs of skin and soft tissue infection were randomly allocated to receive a single dose of cefovecin (8 mg/kg [3.6 mg/lb], SC) followed by placebo drops administered orally once daily for 14 days or 1 SC placebo injection followed by cefadroxil (22 mg/kg [10 mg/lb], PO, once daily for 14 days). Only one 14-day treatment course was permitted.

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The binding of some cephalosporins to human serum albumin was studied using probes for the so-called I, II, bilirubin and fatty acids binding sites. The results showed that cephradine and cefsulodin bind to site II, cefaclor, cefamandole, cefsulodin, cephaloglycin and cefadroxil bind to the bilirubin binding site, while cefaclor does it to the fatty acid binding site. No binding of these cephalosporins to site I of albumin was found. The binding produced a perturbation on the N-B equilibrium of albumin, stabilizing the N conformational form, which suggests that the N form of albumin has more affinity with the cephalosporins than the B form. This finding gives support to the assumption that the binding of cephalosporins to site II, bilirubin and fatty acids binding sites affects the N-B transition of albumin.

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The susceptibility of 24 strains of Eikenella corrodens was determined, by the agar dilution technique, to 10 cephalosporins, as well as to clindamycin, penicillin and dicloxacillin. All strains were uniformly very susceptible to penicillin G and cefoxitin and resistant to clindamycin and dicloxacillin. Cefazolin showed good activity. Cephalexin, cephradine, and cefadroxil showed poor activity, and cefamandole's activity was relatively poor. Cephalothin, cephapirin, cefaclor, and cephaloridine showed moderate activity, with some strains relatively resistant.

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Infections caused by methicillin-resistant Staphylococcus aureus (MRSA) are becoming increasingly prevalent. Linezolid is effective and well-tolerated in the treatment of adults with MRSA infections.

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Co-administration of piperine, an alkaloid isolated from Piper nigrum L. enhanced bioavailability of beta lactam antibiotics, amoxycillin trihydrate and cefotaxime sodium significantly in rats. The improved bioavailability is reflected in various pharmacokinetic parameters viz. tmax, Cmax, t(1/2) and AUC, of these antibiotics. The increased bioavailability could be attributed to the effect of piperine on microsomal metabolising enzymes or enzymes system.

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Treatment with 3-day oral regimens of trimethoprim-sulfamethoxazole, 160 mg/800 mg twice daily, macrocrystalline nitrofurantoin, 100 mg four times daily, cefadroxil, 500 mg twice daily, or amoxicillin, 500 mg three times daily.

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A 15-year-old dog was evaluated for a nonresponsive generalized pruritic condition of 5 months duration. Routine diagnostic testing, including intradermal testing with 63 inhaled allergens and the feeding of a home-cooked hypoallergenic diet, failed to define the cause of the pruritus. An intradermal skin test with a staphylococcal cell wall/toxoid mixture and a skin biopsy of the skin test site suggested that the dog had a bacterial hypersensitivity. Antibiotic therapy eliminated the pruritus and the dog's pruritus was successfully managed for 3 years with the combined use of subtherapeutic dosages of antibiotics and a commercial staphylococcal vaccine.

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The study was conducted in 3 retail pharmacies in Sarjapur area, Bangalore East. The duration of the study was for a period of 10 days from August 1st to August 10th 2014. The common complaints for which the patients frequented the pharmacies were observed and recorded .The investigator personally interviewed the patients between 6pm to 9pm, near the respective pharmacies. During this study period around 216 patients visited pharmacies without prescription. The drugs supplied to 216 patients by private pharmacies without prescription was recorded. Data was analysed by descriptive statistics using Microsoft Excel.

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There are only slight differences between the geometrical means of minimum inhibitory concentrations of (6R,7R)-7-[(R)-2-amino-2-2(p-hydroxyphenyl)-acetamido]-3-methyl-8-oxo-5-thia-1-azabicyclo[4.2.0]oct-2-ene-2-carboxylic acid (cefadroxil, Bidocef) and cefalexin against gram-positive and gram-negative bacteria freshly isolated from clinical material. Enterococci are more susceptible to cefadroxil. Considering the different break point, cefadroxil is on the whole more effective than cefalexin, in particular so against Proteus mirabilis, Enterobacter, Citrobacter and Escherichia coli. With the aid of the described regression analysis a meaningful interpretation of the results of the cefadroxil agar diffusion test is possible.

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cefadroxil kapsul 500 mg obat apa 2017-02-01

The transport characteristics of aminocephalosporin antibiotics, possessing an alpha-amino group and a carboxyl group, in brush-border membranes isolated from rabbit small intestine have been studied by a rapid filtration technique. The uptake of cephradine by brush-border membrane vesicles was stimulated by the countertransport effect of dipeptides, which indicates the existence of a common carrier transport system. An inward H+ gradient ([pH]i = 7.5 to 8.4, [pH]o = 6.0) stimulated cephradine uptake against a concentration gradient (overshoot phenomenon), and this stimulation was reduced when the H+ gradient was subjected to rapid dissipation by the presence of carbonyl cyanide p-trifluoromethoxyphenylhydrazone, a protonophore. A valinomycin-induced K+ diffusion potential (interior-negative) stimulated H+ gradient-dependent cephradine uptake without altering the equilibrium value. The uptake of other aminocephalosporins (cefadroxil, cefaclor, cephalexin) was also stimulated in the presence of an inward H+ gradient, while the uptake Biaxsig Roxithromycin Alcohol of cephalosporins without the alpha-amino group (cefazolin, cefotiam) was not changed in the presence or absence of the H+ gradient. These results suggest that the transport of aminocephalosporins can be driven actively by an inward H+ gradient via the dipeptide transport system in the intestinal brush-border membranes, and that the process results in the transfer of a positive charge.

cefadroxil 500 mg price 2015-06-14

Urinary tract infection (UTI) is common in children. Symptoms include fever, lethargy, anorexia, and vomiting. UTI is caused by Escherichia coli in over 80% of cases and treatment is a course of antibiotics. Due Azithromycin Tablets Usp 250 Mg Para Que Sirve to acute illness caused by UTI and the risk of pyelonephritis-induced permanent kidney damage, many children are given long-term antibiotics aimed at preventing recurrence.

cefadroxil 250 tab 2015-03-29

The Authors evaluated the cefatrizine clinical effects on 50 patients with infectious diseases. The statistical analysis of results show a How Long Does Azithromycin 500 Mg Take To Cure Chlamydia high efficacy and safety with no relevant side effects.

kegunaan kapsul cefadroxil 500 mg 2017-03-27

The transport kinetics of amino-beta-lactam antibiotics was studied by an in situ rat small intestinal recirculating perfusion technique. The disappearance rates of the antibiotics from the perfusing luminal solution followed mixed-type kinetics with saturable and nonsaturable processes. The kinetic parameters were determined. Pharmacokinetic analysis of the time courses of luminal disappearance, tissue accumulation, and blood concentration indicated that the transfer of the antibiotics from the in situ luminal solution to tissue is nearly irreversible. On the assumption that the saturable transport process involves a common carrier for these antibiotics, the predicted extents of mutual inhibition using the in situ kinetic parameters were in good agreement with the experimental values for cephalexin and cephradine. The effects of cephalexin and cefadroxil on the absorption of cyclacillin were also consistent with a common transport mechanism. The dipeptides, carnosine and L-phenylalanylglycine markedly inhibited cyclacillin absorption in a Mahacef 200 Mg Tablet competitive fashion. Furthermore, cyclacillin inhibited the absorption of carnosine. The results indicate that the absorption of amino-beta-lactam antibiotics is closely related with that of dipeptides.

cefadroxil 500mg capsule 2016-12-14

The present study monitored medication prescribing patterns to patients treated for upper respiratory tract infections (URTIs) in the pediatric outpatient department (OPD) at Central Referral Hospital (CRH), Gangtok, Sikkim. A total of 562 URTI prescriptions of children, aged 0-12 years attending pediatric OPD at CRH, Sikkim were collected by a random once-weekly survey between May 2002 and April 2003. Males numbered 284 (50.5%), and females 278 (49.5%). Most of the patients in our study were aged 2-5 years (preschool children) (44.8%). The average number of medications prescribed per encounter was 2.37; 59.2% (789) of medicines were fixed-dose combination (FDC) products and two-thirds of FDCs were respiratory medicines (521). The most commonly prescribed medicines were respiratory medicines (47% of the total medicines prescribed). Others were antimicrobials (30.7%) and analgesic-antipyretics (18.8%). Among respiratory medicines, cough and cold preparations (prescribed in 13 different FDC products Stomorgyl Gel in 25 brand names) were prescribed most frequently (62%) followed by nasal preparations (21%) and beta(2) adrenergic agonist inhalers (9.2%). Ninety-eight percent of nasal preparations were isotonic saline drops (129). Antihistaminics (41.8%), non-opioid antitussives (13.5%), alpha agonist oral decongestants (42.3%), expectorants (32.2%), mucolytics (18.7%), paracetamol (14.7%), and beta(2) agonists (17.2%) were common ingredients of respiratory medicine combinations. Antihistamines (2.5%) and beta(2) agonists (9.2%) were used alone. The most commonly prescribed antimicrobial was amoxicillin with clavulanate (28.4%) followed by cefadroxil (20%), cotrimoxazole (9.5%) and amoxicillin alone (9.3%). Average number of antimicrobials prescribed was 0.7 (409/562). The most commonly prescribed analgesic-antipyretic was paracetamol (81.3%) followed by combination of ibuprofen and paracetamol (12.4%) and nimesulide (5.6%). Medication selection was rational in few cases. Various anomalies were observed in various aspects of drug use in children for URTI's. The main aim of the initiative is the need for more rational medicine use in URTIs in children for improvement of clinical effectiveness, cost effectiveness and reduction of potential useless risk of side effects.

cefadroxil related to penicillin 2017-10-12

The susceptibility of 2196 fresh clinical isolates to twelve different oral compounds was assessed in five Swiss microbiology institutions during summer 1992. A standardized microdilution system including all other material necessary was employed to assess the antibacterial activity of penicillin G, ampicillin, ampicillin + sulbactam, amoxycillin + clavulanic acid, cefadroxil, cephalexin, cefaclor, cefuroxime, cefetamet, doxycycline, erythromycin and clindamycin. The aminopenicillins (including the beta-lactamase inhibitor combinations) were highly active against the streptococci, in combination with a beta-lactamase inhibitor they covered the majority of the bla+ E. coli and Proteus mirabilis and between 60 to 80% of the Klebsiella spp. and Proteus vulgaris isolates. All the cephalosporins exhibited good activity against the streptococci, they were active against Gram-negative fermentative rods to a varying degree. Cefetamet was also active against many cefaclor and cefuroxime-resistant isolates. A considerable part of the species studied exhibited resistance to doxycycline; the observed Deprim 60 Mg Dawkowanie resistance of S. agalactia, P. mirabilis, and Morganella morganii agreed with previous findings. Most of the Streptococcus spp. were inhibited by erythromycin and clindamycin. There were only single penicillin resistant S. pneumoniae isolates in the five Swiss centers. Taking account of the above particulars the epidemiology of antimicrobial resistance in Switzerland can be considered satisfactory.

cefadroxil dosage pediatric 2017-06-04

Cephalexin, cefaclor, cefadroxil, and cefotaxime strongly inhibited sporulation of Bacillus cereus ts-4 at 1 microgram/ml. Cephalexin was most inhibitory on the sporulation of B. cereus when the antibiotic was added at 3 h after induction of sporulation by nutrient downshift technique. Examination of 4',6-diamidino-2-phenylindole-stained cells by fluorescence-phase contrast microscopy showed Gimalxina Reviews that cephalexin inhibited the formation of asymmetric septum. By using [3H]penicillin, eight penicillin-binding proteins (PBPs) were detected from the cells of B. cereus ts-4. Among them, four PBPs were also detected in sporulating cells. Affinity of cephalexin to PBPs were measured indirectly by competition for subsequent binding of radioactive penicillin G. Cephalexin strongly bound to PBP 4 with molecular weight of 72,000 in sporulating cells.

cefadroxil renal dosing 2017-08-21

The general pharmacological properties of cefadroxil which is a new semisynthetized cephalosporin were examined and following results were obtained. 1) Cefadroxil had no appreciable influences on the central nervous system in mice and the EEG in cats. 2) Cefadroxil had no effects on the isolated smooth muscle organs. 3) Cefadroxil had no effects on the passage of charcoal meal in mice and the motility of the stomach in situ in rabbits. 4) Cefadroxil inhibited the gastric secretion in pylorus-ligated rats. 5) Cefadroxil induced no marked changes in the respiration, blood pressure, heart rate, electrocardiogram and femoral blood flow in anesthetized dogs. Cefadroxil had no effects on the isolated hearts and ear vessles of rabbits. 6) Cefadroxil decreased the urine volume and the excretion of electrolytes (Na+, K+ and Cl-) in first three hours in rats. 7) Cefadroxil increased the biliary secretion in rats Macrozit Tablets 500 Mg . No significant effects of cefadroxil were found in the other pharmacological experiments.

can cefadroxil treat a sinus infection 2015-01-31

Betalactamase-producing organisms are responsible for an increasing number of ENT and lower respiratory tract infections. Or cephalosporins and the combination of amoxicillin with the beta-lactamase inhibitor clavulanic acid are alternatives to ampicillin therapy. The killing activity of cefadroxil on the organisms most often responsible for ENT and respiratory infections was evaluated in vitro using a viable bacteria count method, comparatively with cefaclor, josamycin, and amoxicillin-clavulanic acid. Killing activity was found to be time-dependent for all the antimicrobial agents studied. Cefadroxil exhibited the same bactericidal effect on Streptococcus pyogenes and S. pneumoniae than the other agents. Haemophilus influenzae and an increasing number of Pneumococcus strains were resistant to josamycin which is therefore not appropriate for first-line therapy. As Biomox 100 Mg compared with amoxicillin and amoxicillin-clavulanic acid, cefadroxil was less active on H. influenzae and more active on Staphylococcus aureus. Production of beta-lactamase failed to influence the killing activity of cefadroxil. These bacteriologic data, together with results of pharmacologic studies (long half-life and good penetration within tissues) can explain the clinical successes obtained with cefadroxil in ENT and lower respiratory tract infections.

cefadroxil 125 mg 2017-06-25

Staphylococcus saprophyticus was isolated in 17 percent (12 of 71 men) during one year, but with a peak in August and September to 21 percent in patients referred to the urology department with a suspicion of chronic bacterial prostatitis. Seven of the 12 men had S. saprophyticus in highest number at the prostatic level. Three of these were designated as chronic bacterial prostatitis. In this study the occurrence of S. saprophyticus appears to follow, and possibly depends on, previous antibiotic therapy. S. saprophyticus disappeared without treatment in Azithromycin 5 Day Dose Pack all cases.

cefadroxil side effects alcohol 2015-08-19

Thirty patients who underwent elective tonsillectomy were given phenoxymethylpenicillin (0.8 g) or cefadroxil (1 g) at different times before operation. The concentrations of the antibiotics were analysed in serum, tonsillar tissue, fluid from the surface of the tonsils, and mixed saliva. The concentrations in tonsillar tissue for both drugs were much lower than the corresponding serum concentrations. This apparently low tissue accessibility could be ascribed to the limited intracellular penetration Rimadyl Novax Medication of beta-lactam antibiotics. For both antibiotics the concentrations in the tonsillar surface fluid were higher than the levels in the tissue and well above the minimal inhibitory concentrations for streptococci. This was not due to antibiotics in saliva but probably a result of leakage from the interstitial fluid. Inability to reach active concentrations of phenoxymethylpenicillin or cefadroxil at the site of infection does not therefore seem to be a probable cause for relapse after treatment of streptococcal tonsillitis.

cefadroxil urinary tract infection 2017-04-03

Cefadroxil is a new semisynthetic oral cephalosporin with a broad spectrum of activity against both Gram-positive and Gram-negative organisms. Absorption of cefadroxil is unaffected by food, its serum levels are prolonged and it is excreted in the urine at a relatively slow rate compared to cephalexin. In the treatment of 108 patient with upper or lower respiratory tract infections, cefadroxil effected 93% complete cures. Fifty-five of the patients had upper respiratory tract infections and fifty-three had lower respiratory tract infections; among them cefadroxil acheived clinical success rates of 100% and 96%, respectively. Cefadroxil was clinically successful in eight (89%) out of nine patients whose infections were caused by mixed aetiologies. The principal causative agents were Staphylococcus aureus, beta-haemolytic streptococci, Streptococcus pneumoniae and Klebsiella pneumoniae. Overall bacterial eradication produced by cefadroxil was 112 (91%) of 123 organisms isolated from 108 patients. Reports of mild and transient side-effects in only 3.7% of the patients showed that the drug was well tolerated.