Cefazolin sodium

Cefazolin sodium
Black Box Warning
Adult Indications & Dosage
Pediatric Indications & Dosage
Contraindications
Warnings & Precautions
Adverse Reactions
Drug Interactions
Use in Specific Populations
Administration & Monitoring
Overdosage
Pharmacology
Clinical Studies
How Supplied
Images
Patient Counseling Information
Precautions with Alcohol
Brand Names
Look-Alike Names

Editor-In-Chief: C. Michael Gibson, M.S., M.D. [1]; Associate Editor(s)-in-Chief: Rabin Bista, M.B.B.S. [2]

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Black Box Warning

ConditionName: See full prescribing information for complete Boxed Warning. BEFORE THERAPY WITH CEFAZOLIN FOR INJECTION IS INSTITUTED, CAREFUL INQUIRY SHOULD BE MADE TO DETERMINE WHETHER THE PATIENT HAS HAD PREVIOUS HYPERSENSITIVITY REACTIONS TO CEFAZOLIN, CEPHALOSPORINS, PENICILLINS, OR OTHER DRUGS. IF THIS PRODUCT IS GIVEN TO PENICILLIN-SENSITIVE PATIENTS, CAUTION SHOULD BE EXERCISED BECAUSE CROSS-HYPERSENSITIVITY 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 CEFAZOLIN FOR INJECTION OCCURS, DISCONTINUE TREATMENT WITH THE DRUG. SERIOUS ACUTE HYPERSENSITIVITY REACTIONS MAY REQUIRE TREATMENT WITH EPINEPHRINE AND OTHER EMERGENCY MEASURES, INCLUDING OXYGEN, IV FLUIDS, IV ANTIHISTAMINES, CORTICOSTEROIDS, PRESSOR AMINES, AND AIRWAY MANAGEMENT, AS CLINICALLY INDICATED.

Overview

Cefazolin sodium is a semi-synthetic cephalosporin for parenteral administration that is FDA approved for the treatment of Respiratory Tract Infections,Urinary Tract Infections,Skin and Skin Structure Infections,Biliary Tract Infections,Bone and Joint Infections,Genital Infections,Septicemia, Endocarditis and Perioperative Prophylaxis.. There is a Black Box Warning for this drug as shown here. Common adverse reactions include Diarrhea,oral candidiasis,vomiting and nausea..

Adult Indications and Dosage

FDA-Labeled Indications and Dosage (Adult)

Indications

• Respiratory Tract Infections due to S. pneumoniae, S. aureus (including beta-lactamase-producing strains) and S. pyogenes.
• Urinary Tract Infections due to E. coli, P. mirabilis.
• Skin and Skin Structure Infections due to S. aureus (including beta-lactamase-producing strains), S. pyogenes, and other strains of streptococci.
• Biliary Tract Infections due to E. coli, various strains of streptococci, P. mirabilis, and S. aureus.
• Bone and Joint Infections Due to S. aureus.
• Genital Infections (i.e., prostatitis, epididymitis) due to E. coli, P. mirabilis.
• Septicemia due to S. pneumoniae, S. aureus (including beta-lactamase-producing strains), P. mirabilis, E. coli.
• Endocarditis due to S. aureus (including beta-lactamase-producing strains) and S. pyogenes.
• Perioperative Prophylaxis

• The prophylactic administration of Cefazolin for injection preoperatively, intraoperatively, and postoperatively may reduce the incidence of certain postoperative infections in patients undergoing surgical procedures which are classified as contaminated or potentially contaminated (e.g., vaginal hysterectomy, and cholecystectomy in high-risk patients such as those older than 70 years, with acute cholecystitis, obstructive jaundice, or common duct bile stones).
• The perioperative use of Cefazolin for injection may also be effective in surgical patients in whom infection at the operative site would present a serious risk (e.g., during open-heart surgery and prosthetic arthroplasty).
• The prophylactic administration of Cefazolin for injection should usually be discontinued within a 24-hour period after the surgical procedure. In surgery where the occurrence of infection may be particularly devastating (e.g., open-heart surgery and prosthetic arthroplasty), the prophylactic administration of CEFAZOLIN FOR INJECTION may be continued for 3 to 5 days following the completion of surgery.

Dosage

Adult Dosage

Perioperative Prophylactic Use

• To prevent postoperative infection in contaminated or potentially contaminated surgery, recommended doses are:

• 1 gram IV administered ½ hour to 1 hour prior to the start of surgery.
• For lengthy operative procedures (e.g., 2 hours or more), 500 mg to 1 gram IV during surgery (administration modified depending on the duration of the operative procedure).
• 500 mg to 1 gram IV every 6 to 8 hours for 24 hours postoperatively.

• It is important that (1) the preoperative dose be given just (½ to 1 hour) prior to the start of surgery so that adequate antibiotic levels are present in the serum and tissues at the time of initial surgical incision; and (2) Cefazolin for injection be administered, if necessary, at appropriate intervals during surgery to provide sufficient levels of the antibiotic at the anticipated moments of greatest exposure to infective organisms.

Off-Label Use and Dosage (Adult)

Guideline-Supported Use

There is limited information regarding Off-Label Guideline-Supported Use of cefazolin in adult patients.

Non–Guideline-Supported Use

There is limited information regarding Off-Label Non–Guideline-Supported Use of cefazolin in adult patients.

Pediatric Indications and Dosage

FDA-Labeled Indications and Dosage (Pediatric)

Pediatric Dosage

In pediatric patients, a total daily dosage of 25 to 50 mg per kg (approximately 10 to 20 mg per pound) of body weight, divided into 3 or 4 equal doses, is effective for most mild to moderately severe infections. Total daily dosage may be increased to 100 mg per kg (45 mg per pound) of body weight for severe infections. Since safety for use in premature infants and in neonates has not been established, the use of Cefazolin for injection in these patients is not recommended.

Off-Label Use and Dosage (Pediatric)

Guideline-Supported Use

There is limited information regarding Off-Label Guideline-Supported Use of cefazolin in pediatric patients.

Non–Guideline-Supported Use

There is limited information regarding Off-Label Non–Guideline-Supported Use of cefazolin in pediatric patients.

Contraindications

Cefazolin for injection is contraindicated in patients with known allergy to the cephalosporin group of antibiotics.

Warnings

ConditionName: See full prescribing information for complete Boxed Warning. BEFORE THERAPY WITH CEFAZOLIN FOR INJECTION IS INSTITUTED, CAREFUL INQUIRY SHOULD BE MADE TO DETERMINE WHETHER THE PATIENT HAS HAD PREVIOUS HYPERSENSITIVITY REACTIONS TO CEFAZOLIN, CEPHALOSPORINS, PENICILLINS, OR OTHER DRUGS. IF THIS PRODUCT IS GIVEN TO PENICILLIN-SENSITIVE PATIENTS, CAUTION SHOULD BE EXERCISED BECAUSE CROSS-HYPERSENSITIVITY 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 CEFAZOLIN FOR INJECTION OCCURS, DISCONTINUE TREATMENT WITH THE DRUG. SERIOUS ACUTE HYPERSENSITIVITY REACTIONS MAY REQUIRE TREATMENT WITH EPINEPHRINE AND OTHER EMERGENCY MEASURES, INCLUDING OXYGEN, IV FLUIDS, IV 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 CEFAZOLIN FOR INJECTION, 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.

Precautions

General

• Prolonged use of Cefazolin for injection may result in the overgrowth of nonsusceptible organisms. Careful clinical observation of the patient is essential.
• When Cefazolin for injection is administered to patients with low urinary output because of impaired renal function, lower daily dosage is required.
• As with other beta-lactam antibiotics, seizures may occur if inappropriately high doses are administered to patients with impaired renal function.
• Cefazolin for injection, as with all cephalosporins, should be prescribed with caution in individuals with a history of gastrointestinal disease, particularly colitis.
• Cephalosporins may be associated with a fall in prothrombin activity. Those at risk include patients with renal or hepatic impairment or poor nutritional state, as well as patients receiving a protracted course of antimicrobial therapy, and patients previously stabilized on anticoagulant therapy. Prothrombin time should be monitored in patients at risk and exogenous vitamin K administered as indicated.
• Prescribing Cefazolin for injection 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.

Adverse Reactions

Clinical Trials Experience

There is limited information regarding Clinical Trial Experience of Cefazolin sodium in the drug label.

Body as a Whole

Cardiovascular

Digestive

Endocrine

Hematologic and Lymphatic

Metabolic and Nutritional

Musculoskeletal

Neurologic

Respiratory

Skin and Hypersensitivy Reactions

Special Senses

Urogenital

Miscellaneous

Postmarketing Experience

There is limited information regarding Postmarketing Experience of Cefazolin sodium in the drug label.

Body as a Whole

Cardiovascular

Digestive

Endocrine

Hematologic and Lymphatic

Metabolic and Nutritional

Musculoskeletal

Neurologic

Respiratory

Skin and Hypersensitivy Reactions

Special Senses

Urogenital

Miscellaneous

Drug Interactions

• Drug

• Description

Use in Specific Populations

Pregnancy

Pregnancy Category (FDA):

• Pregnancy Category

Pregnancy Category (AUS):

• Australian Drug Evaluation Committee (ADEC) Pregnancy Category

There is no Australian Drug Evaluation Committee (ADEC) guidance on usage of Cefazolin sodium in women who are pregnant.

Labor and Delivery

There is no FDA guidance on use of Cefazolin sodium during labor and delivery.

Nursing Mothers

There is no FDA guidance on the use of Cefazolin sodium with respect to nursing mothers.

Pediatric Use

There is no FDA guidance on the use of Cefazolin sodium with respect to pediatric patients.

Geriatic Use

There is no FDA guidance on the use of Cefazolin sodium with respect to geriatric patients.

Gender

There is no FDA guidance on the use of Cefazolin sodium with respect to specific gender populations.

Race

There is no FDA guidance on the use of Cefazolin sodium with respect to specific racial populations.

Renal Impairment

There is no FDA guidance on the use of Cefazolin sodium in patients with renal impairment.

Hepatic Impairment

There is no FDA guidance on the use of Cefazolin sodium in patients with hepatic impairment.

Females of Reproductive Potential and Males

There is no FDA guidance on the use of Cefazolin sodium in women of reproductive potentials and males.

Immunocompromised Patients

There is no FDA guidance one the use of Cefazolin sodium in patients who are immunocompromised.

Administration and Monitoring

Administration

• Oral

• Intravenous

Monitoring

There is limited information regarding Monitoring of Cefazolin sodium in the drug label.

• Description

IV Compatibility

There is limited information regarding IV Compatibility of Cefazolin sodium in the drug label.

Overdosage

Acute Overdose

Signs and Symptoms

• Description

Management

• Description

Chronic Overdose

There is limited information regarding Chronic Overdose of Cefazolin sodium in the drug label.

Pharmacology

There is limited information regarding Cefazolin sodium Pharmacology in the drug label.

Mechanism of Action

Structure

File:Cefazolin sodium01.png

This image is provided by the National Library of Medicine.

Pharmacodynamics

There is limited information regarding Pharmacodynamics of Cefazolin sodium in the drug label.

Pharmacokinetics

There is limited information regarding Pharmacokinetics of Cefazolin sodium in the drug label.

Nonclinical Toxicology

There is limited information regarding Nonclinical Toxicology of Cefazolin sodium in the drug label.

Clinical Studies

There is limited information regarding Clinical Studies of Cefazolin sodium in the drug label.

How Supplied

Storage

There is limited information regarding Cefazolin sodium Storage in the drug label.

Images

Drug Images

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Package and Label Display Panel

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Patient Counseling Information

There is limited information regarding Patient Counseling Information of Cefazolin sodium in the drug label.

Precautions with Alcohol

• Alcohol-Cefazolin sodium interaction has not been established. Talk to your doctor about the effects of taking alcohol with this medication.

Brand Names

• ®

Look-Alike Drug Names

• A® — B®

Drug Shortage Status

Price

References

The contents of this FDA label are provided by the National Library of Medicine.

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