Cefoxitin

Treatment Cefoxitin for Injection, USP is indicated for the treatment of serious infections caused by susceptible strains of the designated microorganisms in the diseases listed below. (1) Lower respiratory tract infections , including pneumonia and lung abscess, caused by Streptococcus pneumoniae , other streptococci (excluding enterococci, e.g., Enterococcus faecalis [formerly Streptococcus faecalis ]), Staphylococcus aureus (including penicillinase-producing strains), Escherichia coli , Klebsiella species, Haemophilus influenzae, and Bacteroides species. …

• The intent of this pharmacy bulk package is for the preparation of solutions for intravenous infusion only
• Treatment
• Adults The usual adult dosage range is 1 gram to 2 grams every 6 to 8 hours
• Dosage should be determined by susceptibility of the causative organisms, severity of infection, and the condition of the patient (see Table 1 for dosage guidelines)
• If C. trachomatis is a suspected pathogen, appropriate anti-chlamydial coverage should be added, because cefoxitin sodium has no activity against this organism
• Cefoxitin for Injection may be used in patients with reduced renal function with the following dosage adjustments: In adults with renal insufficiency, an initial loading dose of 1 gram to 2 grams may be given
• After a loading dose, the recommendations for maintenance dosage ( Table 2 ) may be used as a guide
• When only the serum creatinine level is available, the following formula (based on sex, weight, and age of the patient) may be used to convert this value into creatinine clearance
• The serum creatinine should represent a steady state of renal function
• Males: Weight (kg) x (140-age) 72 x serum creatinine (mg/100 mL) Females: 0.85 x above value In patients undergoing hemodialysis, the loading dose of 1 gram to 2 grams should be given after each hemodialysis, and the maintenance dose should be given as indicated in Table 2
• Antibiotic therapy for group A beta-hemolytic streptococcal infections should be maintained for at least 10 days to guard against the risk of rheumatic fever or glomerulonephritis. …

• Safety and efficacy
• In pediatric patients from birth to 3 months of age have not yet been established
• In pediatric patients 3 months of age and older, higher doses of Cefoxitin for Injection have been associated with an increased incidence of eosinophilia and elevated SGOT

Of the 1,775 subjects who received cefoxitin in clinical studies, 424 (24%) were 65 and over, while 124 (7%) were 75 and over. No overall differences in safety or effectiveness were observed between these subjects and younger subjects, and other reported clinical experience has not identified differences in responses between the elderly and younger patients, but greater sensitivity of some older individuals cannot be ruled out (see CLINICAL PHARM …

• Patients should be counseled that antibacterial drugs including Cefoxitin for Injection should only be used to treat bacterial infections
• They do not treat viral infections (e.g., the common cold)
• When Cefoxitin for Injection is 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. …

Cefoxitin for Injection is contraindicated in patients who have shown hypersensitivity to cefoxitin and the cephalosporin group of antibiotics.

Increased nephrotoxicity has been reported following concomitant administration of cephalosporins and aminoglycoside antibiotics.

BEFORE THERAPY WITH CEFOXITIN FOR INJECTION IS INSTITUTED, CAREFUL INQUIRY SHOULD BE MADE TO DETERMINE WHETHER THE PATIENT HAS HAD PREVIOUS HYPERSENSITIVITY REACTIONS TO CEFOXITIN, CEPHALOSPORINS, PENICILLINS, OR OTHER DRUGS. THIS PRODUCT SHOULD BE GIVEN WITH CAUTION TO PENICILLIN-SENSITIVE PATIENTS. ANTIBIOTICS SHOULD BE ADMINISTERED WITH CAUTION TO ANY PATIENT WHO HAS DEMONSTRATED SOME FORM OF ALLERGY, PARTICULARLY TO DRUGS. IF AN ALLERGIC REACTION TO CEFOXITIN FOR INJECTION OCCURS, DISCONTINUE THE DRUG. SERIOUS HYPERSENSITIVITY REACTIONS MAY REQUIRE EPINEPHRINE AND OTHER EMERGENCY MEASURES. …

Cefoxitin for Injection is generally well tolerated. The most common adverse reactions have been local reactions following intravenous injection. Other adverse reactions have been encountered infrequently. Local Reactions Thrombophlebitis has occurred with intravenous administration. Allergic Reactions Rash (including exfoliative dermatitis and toxic epidermal necrolysis), urticaria, flushing, pruritus, eosinophilia, fever, dyspnea, and other allergic reactions including anaphylaxis, interstitial nephritis and angioedema have been noted. Cardiovascular Hypotension. Gastrointestinal Diarrhea, including documented pseudomembranous colitis which can appear during or after antibiotic treatment. …

Pregnancy Reproduction studies performed in rats and mice at parenteral doses of approximately one to seven and one-half times the maximum recommended human dose did not reveal teratogenic or fetal toxic effects, although a slight decrease in fetal weight was observed. There are, however, no adequate and well-controlled studies in pregnant women. …

The acute intravenous LD 50 in the adult female mouse and rabbit was about 8 g/kg and greater than 1 g/kg, respectively. The acute intraperitoneal LD 50 in the adult rat was greater than 10 g/kg.

Storage Conditions Store dry powder between 2° to 25°C (36° to 77°F). Avoid exposure to temperatures above 50°C. The dry material as well as solutions tend to darken, depending on storage conditions; product potency, however, is not adversely affecte …

Tómala en cuanto te acuerdes, salvo que falte poco para la siguiente. En ese caso, sáltate la olvidada. Nunca tomes dos dosis a la vez para compensar. Revisa tu prospecto, porque algunos medicamentos son distintos.