DRUGS & SUPPLEMENTS
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Cefoxid CAPSULES, USP
To reduce the development of drug resistant bacteria and maintain the effectiveness of Cefoxid capsule and other antibacterial drugs, Cefoxid capsule should be used only to treat or prevent infections that are proven or strongly suspected to be caused by bacteria.
Cefoxid is a semisynthetic cephalosporin antibiotic intended for oral administration. It is a white to yellowish-white crystalline powder. It is chemically designated as (6 R,7R)-7-[(R)-2-amino-2-(p-hydroxyphenyl)acetamido]-3-methyl-8-oxo-5-thia-1-azabicyclo[4.2.0]oct-2-ene-2- carboxylic acid monohydrate. It has the following structural formula:
C16H17N3O5S-H2O M.W. 381.40
Cefoxid Capsules, USP contain the following inactive ingredients: black iron oxide, colloidal silicon dioxide, croscarmellose sodium, gelatin, lactose monohydrate, magnesium stearate, red iron oxide, and titanium dioxide.
It is chemically designated as (6 R,7R)-7-[(R)-2-amino-2-(p-hydroxyphenyl)acetamido]-3-methyl-8-oxo-5-thia-1-azabicyclo[4.2.0]oct-2-ene-2-carboxylic acid monohydrate. It has the following structural formula:
Cefoxid is rapidly absorbed after oral administration. Following single doses of 500 mg and 1000 mg, average peak serum concentrations were approximately 16 and 28 mcg/mL, respectively. Measurable levels were present 12 hours after administration. Over 90% of the drug is excreted unchanged in the urine within 24 hours. Peak urine concentrations are approximately 1800 mcg/mL during the period following a single 500 mg oral dose. Increases in dosage generally produce a proportionate increase in Cefoxid urinary concentration. The urine antibiotic concentration, following a 1 g dose, was maintained well above the MIC of susceptible urinary pathogens for 20 to 22 hours.
In vitro tests demonstrate that the cephalosporins are bactericidal because of their inhibition of cell-wall synthesis. Cefoxid has been shown to be active against the following organisms both in vitro and in clinical infections (see INDICATIONS AND USAGE ):
Staphylococci, including penicillinase-producing strains
Streptococcus ( Diplococcus ) pneumoniae
Moraxella ( Branhamella ) catarrhalis
Note: Most strains of Enterococcus faecalis (formerly Streptococcus faecalis) and Enterococcus faecium (formerly Streptococcus faecium) are resistant to Cefoxid. It is not active against most strains of Enterobacter species, Morganella morganii (formerly Proteus morganii), and P. vulgaris. It has no activity against Pseudomonas species and Acinetobacter calcoaceticus (formerly Mima and Herellea species).
The use of antibiotic disk susceptibility test methods which measure zone diameter give an accurate estimation of antibiotic susceptibility. One such standard procedure1,3 which has been recommended for use with disks to test susceptibility of organisms to Cefoxid uses the cephalosporin class (cephalothin) disk. Interpretation involves the correlation of the diameters obtained in the disk test with the minimum inhibitory concentration (MIC) for Cefoxid.
Reports from the laboratory giving results of the standard single-disk susceptibility test with a 30 mcg cephalothin disk should be interpreted according to the following criteria:
Interpretive criteria for Enterobacteriaceae , and Staphylococcus spp.
|Zone diameter (mm)||Interpretation||MIC (mcg/mL)|
|≥ 18||Susceptible (S)||≤ 8|
|15 to 17||Intermediate (I)||-|
|≤ 14||Resistant (R)||≥ 32|
A report of “Susceptible” indicates that the pathogen is likely to be inhibited by generally achievable blood levels. A report of “Intermediate susceptibility” suggests that the organism would be susceptible if high dosage is used or if the infection is confined to tissue and fluids (e.g., urine) in which high antibiotic levels are attained. A report of “Resistant” indicates that achievable concentrations of the antibiotic are unlikely to be inhibitory and other therapy should be selected.
Standardized procedures require the use of laboratory control organisms. The 30 mcg cephalothin disk should give the following zone diameters:
|Organism||Zone Diameter (mm)|
|Staphylococcus aureus ATCC 25923||29 to 37|
|Escherichia coli ATCC 25922||15 to 21|
When using the CLSI agar dilution or broth dilution (including microdilution) method2,3 or equivalent, the MIC values should be interpreted according to the following criteria:
Interpretive criteria for Enterobacteriaceae , and Staphylococcus spp.
|MIC (mcg/ mL )||Interpretation|
|≤ 8||Susceptible (S)|
|≥ 32||Resistant (R)|
As with standard diffusion methods, dilution procedures require the use of laboratory control organisms. Standard cephalothin powder should provide the following MIC values:
|Escherechia coli||ATCC 25922||4 to 16|
|Staphylococcus aureus||ATCC 29213||0.12 to 0.5|
Cefoxid Capsules, USP are indicated for the treatment of patients with infection caused by susceptible strains of the designated organisms in the following diseases:
Urinary tract infections caused by E. coli, P. mirabilis, and Klebsiella species.
Skin and skin structure infections caused by staphylococci and/or streptococci.
Pharyngitis and/or tonsillitis caused by Streptococcus pyogenes (Group A beta-hemolytic streptococci).
Note: Only penicillin by the intramuscular route of administration has been shown to be effective in the prophylaxis of rheumatic fever. Cefoxid is generally effective in the eradication of streptococci from the oropharynx. However, data establishing the efficacy of Cefoxid for the prophylaxis of subsequent rheumatic fever are not available.
Note: Culture and susceptibility tests should be initiated prior to and during therapy. Renal function studies should be performed when indicated.
To reduce the development of drug-resistant bacteria and maintain the effectiveness of Cefoxid Capsules, USP and other antibacterial drugs, Cefoxid Capsules, USP should be used only to treat or prevent infections that are proven or strongly suspected to be caused by susceptible bacteria. When culture and susceptibility information are available, they should be considered in selecting or modifying antibacterial therapy. In the absence of such data, local epidemiology and susceptibility patterns may contribute to the empiric selection of therapy.
Cefoxid capsules are contraindicated in patients with known allergy to the cephalosporin group of antibiotics.
BEFORE THERAPY WITH Cefoxid IS INSTITUTED, CAREFUL INQUIRY SHOULD BE MADE TO DETERMINE WHETHER THE PATIENT HAS HAD PREVIOUS HYPERSENSITIVITY REACTIONS TO Cefoxid, CEPHALOSPORINS, PENICILLINS, OR OTHER DRUGS. IF THIS PRODUCT IS TO BE GIVEN TO PENICILLIN-SENSITIVE PATIENTS, CAUTION SHOULD BE EXERCISED BECAUSE CROSS-SENSITIVITY AMONG BETA-LACTAM ANTIBIOTICS HAS BEEN CLEARLY DOCUMENTED AND MAY OCCUR IN UP TO 10% OF PATIENTS WITH A HISTORY OF PENICILLIN ALLERGY.
IF AN ALLERGIC REACTION TO Cefoxid OCCURS, DISCONTINUE THE DRUG. SERIOUS ACUTE HYPERSENSITIVITY REACTIONS MAY REQUIRE TREATMENT WITH EPINEPHRINE AND OTHER EMERGENCY MEASURES, INCLUDING OXYGEN, INTRAVENOUS FLUIDS, INTRAVENOUS ANTIHISTAMINES, CORTICOSTEROIDS, PRESSOR AMINES, AND AIRWAY MANAGEMENT, AS CLINICALLY INDICATED.
Clostridium difficile associated diarrhea (CDAD) has been reported with use of nearly all antibacterial agents, including Cefoxid, and may range in severity from mild diarrhea to fatal colitis. Treatment with antibacterial agents alters the normal flora of the colon leading to overgrowth of C. difficile.
C. difficile produces toxins A and B which contribute to the development of CDAD. Hypertoxin producing strains of C. difficile cause increased morbidity and mortality, as these infections can be refractory to antimicrobial therapy and may require colectomy. CDAD must be considered in all patients who present with diarrhea following antibiotic use. Careful medical history is necessary since CDAD has been reported to occur over two months after the administration of antibacterial agents.
If CDAD is suspected or confirmed, ongoing antibiotic use not directed against C. difficile may need to be discontinued. Appropriate fluid and electrolyte management, protein supplementation, antibiotic treatment of C. difficile, and surgical evaluation should be instituted as clinically indicated.
Cefoxid should be used with caution in the presence of markedly impaired renal function. (See DOSAGE AND ADMINISTRATION ). In patients with known or suspected renal impairment, careful clinical observation and appropriate laboratory studies should be made prior to and during therapy.
Prescribing Cefoxid capsules in the absence of a proven or strongly suspected bacterial infection or a prophylactic indication is unlikely to provide benefit to the patient and increases the risk of the development of drug-resistant bacteria.
Prolonged use of Cefoxid may result in the overgrowth of nonsusceptible organisms. Careful observation of the patient is essential. If superinfection occurs during therapy, appropriate measures should be taken.
Cefoxid should be prescribed with caution in individuals with history of gastrointestinal disease particularly colitis.
Patients should be counseled that antibacterial drugs including Cefoxid capsules should only be used to treat bacterial infections. They do not treat viral infections (e.g., the common cold). When Cefoxid capsules are prescribed to treat a bacterial infection, patients should be told that although it is common to feel better early in the course of therapy, the medication should be taken exactly as directed. Skipping doses or not completing the full course of therapy may (1) decrease the effectiveness of the immediate treatment and (2) increase the likelihood that bacteria will develop resistance and will not be treatable by Cefoxid capsules or other antibacterial drugs in future.
Diarrhea is a common problem caused by antibiotics which usually ends when the antibiotic is discontinued. Sometimes after starting treatment with antibiotics, patients can develop watery and bloody stools (with or without stomach cramps and fever) even as late as two or more months after having taken the last dose of the antibiotic. If this occurs, patients should contact their physician as soon as possible.
Positive direct Coombs’ tests have been reported during treatment with the cephalosporin antibiotics. In hematologic studies or in transfusion cross-matching procedures when antiglobulin tests are performed on the minor side or in Coombs’ testing of newborns whose mothers have received cephalosporin antibiotics before parturition, it should be recognized that a positive Coombs’ test may be due to the drug.
No long-term studies have been performed to determine carcinogenic potential. No genetic toxicity tests have been performed.
Pregnancy Category B
Reproduction studies have been performed in mice and rats at doses up to 11 times the human dose and have revealed no evidence of impaired fertility or harm to the fetus due to Cefoxid monohydrate. There are, however, no adequate and well controlled studies in pregnant women. Because animal reproduction studies are not always predictive of human response, this drug should be used during pregnancy only if clearly needed.
Cefoxid has not been studied for use during labor and delivery. Treatment should only be given if clearly needed.
Caution should be exercised when Cefoxid monohydrate is administered to a nursing mother.
Of approximately 650 patients who received Cefoxid for the treatment of urinary tract infections in three clinical trials, 28% were 60 years and older, while 16% were 70 years and older. Of approximately 1,000 patients who received Cefoxid for the treatment of skin and skin structure infection in 14 clinical trials, 12% were 60 years and older while 4% were 70 years and over. No overall differences in safety were observed between the elderly patients in these studies and younger patients. Clinical studies of Cefoxid for the treatment of pharyngitis or tonsillitis did not include sufficient numbers of patients 65 years and older to determine whether they respond differently from younger patients. Other reported clinical experience with Cefoxid has not identified differences in responses between elderly and younger patients, but greater sensitivity of some older individuals cannot be ruled out.
Cefoxid is substantially excreted by the kidney, and dosage adjustment is indicated for patients with renal impairment (see DOSAGE AND ADMINISTRATION , Renal Impairment). Because elderly patients are more likely to have decreased renal function, care should be taken in dose selection, and it may be useful to monitor renal function.
Onset of pseudomembranous colitis symptoms may occur during or after antibiotic treatment (see WARNINGS ). Dyspepsia, nausea and vomiting have been reported rarely. Diarrhea has also occurred.
Allergies (in the form of rash, urticaria, angioedema, and pruritus) have been observed. These reactions usually subsided upon discontinuation of the drug. Anaphylaxis has also been reported.
Other reactions have included hepatic dysfunction including cholestasis and elevations in serum transaminase, genital pruritus, genital moniliasis, vaginitis, moderate transient neutropenia, fever. Agranulocytosis, thrombocytopenia, idiosyncratic hepatic failure, erythema multiforme, Stevens-Johnson syndrome, serum sickness, and arthralgia have been rarely reported.
In addition to the adverse reactions listed above which have been observed in patients treated with Cefoxid, the following adverse reactions and altered laboratory tests have been reported for cephalosporin-class antibiotics:
Toxic epidermal necrolysis, abdominal pain, superinfection, renal dysfunction, toxic nephropathy, aplastic anemia, hemolytic anemia, hemorrhage, prolonged prothrombin time, positive Coombs’ test, increased BUN, increased creatinine, elevated alkaline phosphatase, elevated aspartate aminotransferase (AST), elevated alanine aminotransferase (ALT), elevated bilirubin, elevated LDH, eosinophilia, pancytopenia, neutropenia.
Several cephalosporins have been implicated in triggering seizures, particularly in patients with renal impairment, when the dosage was not reduced (see DOSAGE AND ADMINISTRATION and OVERDOSAGE ). If seizures associated with drug therapy occur, the drug should be discontinued. Anticonvulsant therapy can be given if clinically indicated.
A study of children under six years of age suggested that ingestion of less than 250 mg/kg of cephalosporins is not associated with significant outcomes. No action is required other than general support and observation. For amounts greater than 250 mg/kg, induce gastric emptying.
In five anuric patients, it was demonstrated that an average of 63% of a 1 g oral dose is extracted from the body during a 6 to 8 hour hemodialysis session.
Cefoxid capsules are 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 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.
For urinary tract infections, the recommended daily dosage for children is 30 mg/kg/day in divided doses every 12 hours. For pharyngitis, tonsillitis, and impetigo, the recommended daily dosage for children is 30 mg/kg/day in a single dose or in equally divided doses every 12 hours. For other skin and skin structure infections, the recommended daily dosage is 30 mg/kg/day in equally divided doses every 12 hours. In the treatment of beta-hemolytic streptococcal infections, a therapeutic dosage of Cefoxid capsules should be administered for at least 10 days.
In patients with renal impairment, the dosage of Cefoxid monohydrate should be adjusted according to creatinine clearance rates to prevent drug accumulation. The following schedule is suggested. In adults, the initial dose is 1000 mg of Cefoxid capsules and the maintenance dose (based on the creatinine clearance rate [mL/min/1.73 m2]) is 500 mg at the time intervals listed below.
|Creatinine Clearances||Dosage Interval|
|0 to 10 mL/min||36 hours|
|10 to 25 mL/min||24 hours|
|25 to 50 mL/min||12 hours|
Patients with creatinine clearance rates over 50 mL/min may be treated as if they were patients having normal renal function.
Cefoxid Capsules USP, 500 mg are available as opaque chocolate brown and white hard gelatin capsules, imprinted with “WEST-WARD 947” in bottles of 20, 50 and 100.
Store at 20° to 25°C (68° to 77°F).
Dispense in a tight container as defined in the USP using a child-resistant closure.
West-Ward Pharmaceutical s Corp.
Eatontown, NJ 07724 - USA
Jazeera Pharmaceutical Industries (JPI)
Al- Kharj Road
P. O. Box 106229
An Affiliate of:
Hikma Pharmaceuticals LLC
P.O. Box 182400
Revised January 2016
Depending on the reaction of the Cefoxid after taken, if you are feeling dizziness, drowsiness or any weakness as a reaction on your body, Then consider Cefoxid not safe to drive or operate heavy machine after consumption. Meaning that, do not drive or operate heavy duty machines after taking the capsule if the capsule has a strange reaction on your body like dizziness, drowsiness. As prescribed by a pharmacist, it is dangerous to take alcohol while taking medicines as it exposed patients to drowsiness and health risk. Please take note of such effect most especially when taking Primosa capsule. It's advisable to consult your doctor on time for a proper recommendation and medical consultations.Is Cefoxid addictive or habit forming?
Medicines are not designed with the mind of creating an addiction or abuse on the health of the users. Addictive Medicine is categorically called Controlled substances by the government. For instance, Schedule H or X in India and schedule II-V in the US are controlled substances.
Please consult the medicine instruction manual on how to use and ensure it is not a controlled substance.In conclusion, self medication is a killer to your health. Consult your doctor for a proper prescription, recommendation, and guidiance.
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The information was verified by Dr. Rachana Salvi, MD Pharmacology