Brand Name: Kefzol, Ancef
Generic Name: Cefazolin
Drug Class: Cephalosporins, 1st Generation
What Is Cefazolin and How Does It Work?
Cefazolin is an antibiotic used to treat a wide variety of bacterial infections. It may also be used before and during certain surgeries to help prevent infection. This medication is known as a cephalosporin antibiotic. It works by stopping the growth of bacteria.
Cefazolin is available under the following different brand names: Kefzol and Ancef.
Dosages of Cefazolin:
Dosage Forms and Strengths
Powder for injection
- 500 mg
- 1 g
- 2 g
- 10 g
- 20 g
- 100 g
- 300 g
Dosage Considerations – Should be Given as Follows:
- 0.5-1 g intravenously (IV) every 6-8 hours
- Adult: 250-500 mg intravenously (IV) every 8 hours
- Infants and children: 25-100 mg/kg/day intravenously/intramuscularly (IV/IM) divided every 6-8 hours; not to exceed 6 g/day
- Neonates (under 28 days)
- Under 7 days: 40 mg/kg/day IV/IM divided every 12 hours
- Greater than 7 days, less than 2 kg: 40 mg/kg/day IV/IM divided every 12 hours
- Greater than 7 days, greater than 2 kg: 60 mg/kg/day IV/IM divided every 8 hours
- 1-2 g intravenously (IV) every 8 hours for 4-7 days
Uncomplicated Urinary Tract Infection
- 1 g intravenously (IV) every 12 hours
Preparation for Surgery
- Prophylaxis against infection
There are no dosing recommendations for pediatric patients for perioperative prophylaxis or for pediatric patients with renal impairment
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