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Cefepime Dosage

Medically reviewed by Drugs.com. Last updated on Aug 14, 2023.

Applies to the following strengths: 500 mg; 1 g; 2 g; 1 g/50 mL-iso-osmotic dextrose; 2 g/100 mL

Usual Adult Dose for Bacteremia

Pneumonia associated with bacteremia: 1 to 2 grams via IV injection over 30 minutes every 8 to 12 hours

Mild to moderate urinary tract infections (UTIs) associated with bacteremia: 0.5 to 1 gram via IV injection over 30 minutes every 12 hours

Severe UTIs associated with bacteremia: 2 grams via IV injection over 30 minutes every 12 hours

Duration of therapy:


Uses:

Infectious Diseases Society of America (IDSA) Recommendations:
2 grams IV every 8 hours with/without aminoglycoside

Comment: Preferred treatments may be given with or without aminoglycosides.

Uses:

Usual Adult Dose for Febrile Neutropenia

Empiric treatment: 2 grams via IV injection over 30 minutes every 8 hours


Comments:

Use: Monotherapy for empiric treatment of febrile neutropenia

Usual Adult Dose for Intraabdominal Infection

Complicated intraabdominal infections: 2 grams via IV injection over 30 minutes every 8 to 12 hours

Intraabdominal infections caused by Pseudomonas: 2 grams via IV injection over 30 minutes every 8 hours

Duration of therapy: 7 to 10 days

Use: In combination with metronidazole for the treatment of complicated intraabdominal infections caused by susceptible isolates of Bacteroides fragilis, Enterobacter species, E coli, K pneumoniae, P aeruginosa, or viridans group streptococci (VGS)

Surgical Infection Society (SIS) and IDSA Recommendations:
Initial dose: 2 grams IV every 8 to 12 hours PLUS metronidazole

Comment: Maintenance doses should be based on adjusted body weight and serum drug concentrations.

Uses:

Usual Adult Dose for Pneumonia

Moderate to severe pneumonia: 1 to 2 grams via IV injection over 30 minutes every 8 to 12 hours

Pneumonia caused by P aeruginosa: 2 grams via IV injection over 30 minutes every 8 hours

Duration of therapy: 10 days

Use: Treatment of moderate to severe pneumonia caused by susceptible strains of Enterobacter species, K pneumoniae, P aeruginosa, or S pneumoniae

IDSA and American Thoracic Society (ATS) Recommendations:
2 grams IV every 8 hours

Uses:

Usual Adult Dose for Nosocomial Pneumonia

Moderate to severe pneumonia: 1 to 2 grams via IV injection over 30 minutes every 8 to 12 hours

Pneumonia caused by P aeruginosa: 2 grams via IV injection over 30 minutes every 8 hours

Duration of therapy: 10 days

Use: Treatment of moderate to severe pneumonia caused by susceptible strains of Enterobacter species, K pneumoniae, P aeruginosa, or S pneumoniae

IDSA and American Thoracic Society (ATS) Recommendations:
2 grams IV every 8 hours

Uses:

Usual Adult Dose for Skin and Structure Infection

2 grams via IV injection over 30 minutes every 12 hours


Uses:

Usual Adult Dose for Pyelonephritis

Mild to moderate uncomplicated OR complicated infections: 0.5 to 1 gram IM OR via IV injection over 30 minutes every 12 hours

Severe uncomplicated OR complicated infections: 2 grams via IV injection over 30 minutes every 12 hours

Duration of therapy:


Comment: Mild to moderate uncomplicated and complicated infections caused by E coli may be treated via IM administration; other isolates should be treated via IV administration.

Uses:

Usual Adult Dose for Urinary Tract Infection

Mild to moderate uncomplicated OR complicated infections: 0.5 to 1 gram IM OR via IV injection over 30 minutes every 12 hours

Severe uncomplicated OR complicated infections: 2 grams via IV injection over 30 minutes every 12 hours

Duration of therapy:


Comment: Mild to moderate uncomplicated and complicated infections caused by E coli may be treated via IM administration; other isolates should be treated via IV administration.

Uses:

Usual Adult Dose for Meningitis

IDSA, American Academy of Neurology (AAN), American Association of Neurological Surgeons (AANS), and Neurocritical Care Society (NCS) Recommendations:
2 grams IV every 8 hours


Duration of therapy:

Uses:

Usual Adult Dose for Meningitis - Meningococcal

IDSA, American Academy of Neurology (AAN), American Association of Neurological Surgeons (AANS), and Neurocritical Care Society (NCS) Recommendations:
2 grams IV every 8 hours


Duration of therapy:

Uses:

Usual Adult Dose for Meningitis - Haemophilus influenzae

IDSA, American Academy of Neurology (AAN), American Association of Neurological Surgeons (AANS), and Neurocritical Care Society (NCS) Recommendations:
2 grams IV every 8 hours


Duration of therapy:

Uses:

Usual Adult Dose for Meningitis - Pneumococcal

IDSA, American Academy of Neurology (AAN), American Association of Neurological Surgeons (AANS), and Neurocritical Care Society (NCS) Recommendations:
2 grams IV every 8 hours


Duration of therapy:

Uses:

Usual Adult Dose for Meningitis - Listeriosis

IDSA, American Academy of Neurology (AAN), American Association of Neurological Surgeons (AANS), and Neurocritical Care Society (NCS) Recommendations:
2 grams IV every 8 hours


Duration of therapy:

Uses:

Usual Adult Dose for Meningitis - Streptococcus Group B

IDSA, American Academy of Neurology (AAN), American Association of Neurological Surgeons (AANS), and Neurocritical Care Society (NCS) Recommendations:
2 grams IV every 8 hours


Duration of therapy:

Uses:

Usual Adult Dose for Joint Infection

IDSA Recommendations:
P aeruginosa osteomyelitis: 2 grams IV every 8 to 12 hours

Enterobacteriaceae osteomyelitis and prosthetic joint infections: 2 grams IV every 12 hours

Duration of therapy:


Comments:

Uses:

Usual Adult Dose for Osteomyelitis

IDSA Recommendations:
P aeruginosa osteomyelitis: 2 grams IV every 8 to 12 hours

Enterobacteriaceae osteomyelitis and prosthetic joint infections: 2 grams IV every 12 hours

Duration of therapy:


Comments:

Uses:

Usual Adult Dose for Endocarditis

American Heart Association (AHA) and IDSA Recommendations:
Early, culture-negative endocarditis: 2 grams IV 3 times per day PLUS vancomycin, gentamicin, AND rifampin


Comment: Gentamicin should be added to patients with enterococcal infections.

Uses:

Usual Adult Dose for Peritonitis

International Society for Peritoneal Dialysis (ISPD) Recommendations:
Intermittent (1 exchange daily): 1000 mg intraperitoneally once a day

Continuous (all exchanges):


Duration of therapy: 3 weeks

Comments:

Use: Adjunctive treatment of peritonitis caused by P aeruginosa

Usual Pediatric Dose for Bacteremia

Empiric febrile neutropenia treatment:
2 months to 16 years up to 40 kg: 50 mg/kg via IV injection over 30 minutes every 8 hours


16 to 18 years: 2 grams via IV injection over 30 minutes every 8 hours

Duration of therapy: 7 days OR until resolution of neutropenia

Bacteremia:
16 years and older:

Duration of therapy:

Comments:

Uses:

IDSA:
Neonates 14 days and younger: 30 mg/kg IV every 12 hours
Infants older than 14 days: 50 mg/kg IV every 12 hours
Children 40 kg and less: 50 mg/kg IV every 12 hours

Comments:

Uses:

Usual Pediatric Dose for Febrile Neutropenia

Empiric febrile neutropenia treatment:
2 months to 16 years up to 40 kg: 50 mg/kg via IV injection over 30 minutes every 8 hours


16 to 18 years: 2 grams via IV injection over 30 minutes every 8 hours

Duration of therapy: 7 days OR until resolution of neutropenia

Bacteremia:
16 years and older:

Duration of therapy:

Comments:

Uses:

IDSA:
Neonates 14 days and younger: 30 mg/kg IV every 12 hours
Infants older than 14 days: 50 mg/kg IV every 12 hours
Children 40 kg and less: 50 mg/kg IV every 12 hours

Comments:

Uses:

Usual Pediatric Dose for Bacterial Infection

Empiric febrile neutropenia treatment:
2 months to 16 years up to 40 kg: 50 mg/kg via IV injection over 30 minutes every 8 hours


16 to 18 years: 2 grams via IV injection over 30 minutes every 8 hours

Duration of therapy: 7 days OR until resolution of neutropenia

Bacteremia:
16 years and older:

Duration of therapy:

Comments:

Uses:

IDSA:
Neonates 14 days and younger: 30 mg/kg IV every 12 hours
Infants older than 14 days: 50 mg/kg IV every 12 hours
Children 40 kg and less: 50 mg/kg IV every 12 hours

Comments:

Uses:

Usual Pediatric Dose for Intraabdominal Infection

2 months to 16 years up to 40 kg:
Uncomplicated/complicated UTIs, uncomplicated skin and skin structure infections, and pneumonia: 50 mg/kg via IV injection over 30 minutes every 12 hours


Moderate to severe pneumonia due to P aeruginosa: 50 mg/kg via IV injection over 30 minutes every 8 hours

16 and older:


Duration of therapy:

Comment: Mild to moderate uncomplicated and complicated UTIs caused by E coli may be treated via IM administration; other isolates should be treated via IV administration.

Uses:

SIS and IDSA Recommendations:
Initial dose: 50 mg/kg IV every 12 hours PLUS metronidazole

Comment: Maintenance doses should be based on adjusted body weight and serum drug concentrations.

Use: Empiric combination treatment of complicated extra-biliary community-acquired intraabdominal infections in patients with severe physiologic disturbance, advanced age, or immunocompromised stage caused by ESBL-producing Enterobacteriaceae or P aeruginosa, or GNB less than 20% resistant to this drug and metronidazole

Usual Pediatric Dose for Pneumonia

2 months to 16 years up to 40 kg:
Uncomplicated/complicated UTIs, uncomplicated skin and skin structure infections, and pneumonia: 50 mg/kg via IV injection over 30 minutes every 12 hours


Moderate to severe pneumonia due to P aeruginosa: 50 mg/kg via IV injection over 30 minutes every 8 hours

16 and older:


Duration of therapy:

Comment: Mild to moderate uncomplicated and complicated UTIs caused by E coli may be treated via IM administration; other isolates should be treated via IV administration.

Uses:

SIS and IDSA Recommendations:
Initial dose: 50 mg/kg IV every 12 hours PLUS metronidazole

Comment: Maintenance doses should be based on adjusted body weight and serum drug concentrations.

Use: Empiric combination treatment of complicated extra-biliary community-acquired intraabdominal infections in patients with severe physiologic disturbance, advanced age, or immunocompromised stage caused by ESBL-producing Enterobacteriaceae or P aeruginosa, or GNB less than 20% resistant to this drug and metronidazole

Usual Pediatric Dose for Pyelonephritis

2 months to 16 years up to 40 kg:
Uncomplicated/complicated UTIs, uncomplicated skin and skin structure infections, and pneumonia: 50 mg/kg via IV injection over 30 minutes every 12 hours


Moderate to severe pneumonia due to P aeruginosa: 50 mg/kg via IV injection over 30 minutes every 8 hours

16 and older:


Duration of therapy:

Comment: Mild to moderate uncomplicated and complicated UTIs caused by E coli may be treated via IM administration; other isolates should be treated via IV administration.

Uses:

SIS and IDSA Recommendations:
Initial dose: 50 mg/kg IV every 12 hours PLUS metronidazole

Comment: Maintenance doses should be based on adjusted body weight and serum drug concentrations.

Use: Empiric combination treatment of complicated extra-biliary community-acquired intraabdominal infections in patients with severe physiologic disturbance, advanced age, or immunocompromised stage caused by ESBL-producing Enterobacteriaceae or P aeruginosa, or GNB less than 20% resistant to this drug and metronidazole

Usual Pediatric Dose for Urinary Tract Infection

2 months to 16 years up to 40 kg:
Uncomplicated/complicated UTIs, uncomplicated skin and skin structure infections, and pneumonia: 50 mg/kg via IV injection over 30 minutes every 12 hours


Moderate to severe pneumonia due to P aeruginosa: 50 mg/kg via IV injection over 30 minutes every 8 hours

16 and older:


Duration of therapy:

Comment: Mild to moderate uncomplicated and complicated UTIs caused by E coli may be treated via IM administration; other isolates should be treated via IV administration.

Uses:

SIS and IDSA Recommendations:
Initial dose: 50 mg/kg IV every 12 hours PLUS metronidazole

Comment: Maintenance doses should be based on adjusted body weight and serum drug concentrations.

Use: Empiric combination treatment of complicated extra-biliary community-acquired intraabdominal infections in patients with severe physiologic disturbance, advanced age, or immunocompromised stage caused by ESBL-producing Enterobacteriaceae or P aeruginosa, or GNB less than 20% resistant to this drug and metronidazole

Usual Pediatric Dose for Skin and Structure Infection

2 months to 16 years up to 40 kg:
Uncomplicated/complicated UTIs, uncomplicated skin and skin structure infections, and pneumonia: 50 mg/kg via IV injection over 30 minutes every 12 hours


Moderate to severe pneumonia due to P aeruginosa: 50 mg/kg via IV injection over 30 minutes every 8 hours

16 and older:


Duration of therapy:

Comment: Mild to moderate uncomplicated and complicated UTIs caused by E coli may be treated via IM administration; other isolates should be treated via IV administration.

Uses:

SIS and IDSA Recommendations:
Initial dose: 50 mg/kg IV every 12 hours PLUS metronidazole

Comment: Maintenance doses should be based on adjusted body weight and serum drug concentrations.

Use: Empiric combination treatment of complicated extra-biliary community-acquired intraabdominal infections in patients with severe physiologic disturbance, advanced age, or immunocompromised stage caused by ESBL-producing Enterobacteriaceae or P aeruginosa, or GNB less than 20% resistant to this drug and metronidazole

Usual Pediatric Dose for Meningitis

IDSA, AAN, AANS, and NCS Recommendations:
50 mg/kg IV every 8 hours

Duration of therapy:


Comments:

Uses:

Usual Pediatric Dose for Meningitis - Meningococcal

IDSA, AAN, AANS, and NCS Recommendations:
50 mg/kg IV every 8 hours

Duration of therapy:


Comments:

Uses:

Usual Pediatric Dose for Meningitis - Haemophilus influenzae

IDSA, AAN, AANS, and NCS Recommendations:
50 mg/kg IV every 8 hours

Duration of therapy:


Comments:

Uses:

Usual Pediatric Dose for Meningitis - Pneumococcal

IDSA, AAN, AANS, and NCS Recommendations:
50 mg/kg IV every 8 hours

Duration of therapy:


Comments:

Uses:

Usual Pediatric Dose for Meningitis - Listeriosis

IDSA, AAN, AANS, and NCS Recommendations:
50 mg/kg IV every 8 hours

Duration of therapy:


Comments:

Uses:

Usual Pediatric Dose for Meningitis - Streptococcus Group B

IDSA, AAN, AANS, and NCS Recommendations:
50 mg/kg IV every 8 hours

Duration of therapy:


Comments:

Uses:

Usual Pediatric Dose for Peritonitis

ISPD Recommendations:
Continuous peritoneal dialysis:


Intermittent peritoneal dialysis: 15 mg/kg intraperitoneally once a day

Duration of therapy:

Comments:

Uses:

Usual Pediatric Dose for Endocarditis

AHA Recommendations:
Early, culture-negative endocarditis: 150 mg/kg per day, given in divided doses 3 times per day PLUS vancomycin, gentamicin, AND rifampin

Nosocomial endocarditis: 100 to 150 mg/kg IV per day, given in divided doses every 8 to 12 hours


Duration of therapy: At least 6 weeks

Comment: Gentamicin should be added to patients with enterococci infections.

Uses:

Renal Dose Adjustments

Pediatric patients: Dose adjustment(s) may be required; however, no specific guidelines have been suggested. The manufacturer recommends dosage regimen changes proportional to those in adults.

Adults:
Initial dose:


Maintenance dose:
Mild infections:

Moderate infections:

Severe infections:

Life-threatening infections:

Liver Dose Adjustments

No adjustment recommended.

Precautions

CONTRAINDICATIONS:


Safety and efficacy have not been established in patients younger than 2 months.

Consult WARNINGS section for additional precautions.

Dialysis

Continuous ambulatory peritoneal dialysis (CAPD):


Hemodialysis:
Loading dose: 1 gram IV ONCE
Maintenance dose:

Comments:

Other Comments

Administration advice:


Storage requirements:

Reconstitution/preparation techniques:

IV compatibility:

General:

Monitoring:

Patient advice:

Further information

Always consult your healthcare provider to ensure the information displayed on this page applies to your personal circumstances.