Cefazolin

Generic Name: cefazolin

Over-the-Counter (OTC)

Brand Names:

Cefazolin

Cefazolin is a semi-synthetic cephalosporin antibiotic for parenteral (IV/IM) administration. Indicated for treatment of serious infections including respiratory tract, urinary tract, skin, biliary, bone and joint, genital infections, septicemia, and endocarditis caused by susceptible organisms.

Overview

Cefazolin is a semi-synthetic cephalosporin antibiotic for parenteral (IV/IM) administration. Indicated for treatment of serious infections including respiratory tract, urinary tract, skin, biliary, bone and joint, genital infections, septicemia, and endocarditis caused by susceptible organisms.

Uses

Treatment of serious infections including respiratory tract, urinary tract, skin and skin structure, biliary, bone and joint, genital infections, septicemia, endocarditis, and perioperative prophylaxis.

Dosage

Adults: 500 mg to 1 g every 6-8 hours for moderate to severe infections. Dosage adjusted for renal impairment. Pediatric dosing: 25-50 mg/kg/day divided into 3-4 doses.

Side Effects

Gastrointestinal: diarrhea, candidiasis, vomiting, pseudomembranous colitis. Allergic: anaphylaxis, rash, Stevens-Johnson syndrome. Hematologic: neutropenia, leukopenia, thrombocytopenia.

Interactions

Probenecid may decrease renal tubular secretion, resulting in increased and prolonged cephalosporin blood levels.

Warnings

Risk of hypersensitivity reactions, especially in penicillin-sensitive patients (cross-reactivity up to 10%). Pseudomembranous colitis possible. Seizures may occur with high doses in renal impairment. Contraindicated in patients with known allergy to cephalosporin group of antibiotics.

Pregnancy

Animal studies at up to 25x human dose showed no evidence of harm. No adequate controlled studies in pregnant women. Use only if clearly needed.

Storage

Store at 20-25 degrees C (68-77 degrees F). Protect from light. Reconstituted solutions stable 24 hours at room temperature or 10 days refrigerated.

Frequently Asked Questions

What is Cefazolin used for?

Treatment of serious infections including respiratory tract, urinary tract, skin and skin structure, biliary, bone and joint, genital infections, septicemia, endocarditis, and perioperative prophylaxis.

What are the side effects of Cefazolin?

Gastrointestinal: diarrhea, candidiasis, vomiting, pseudomembranous colitis. Allergic: anaphylaxis, rash, Stevens-Johnson syndrome. Hematologic: neutropenia, leukopenia, thrombocytopenia.

Can I take Cefazolin during pregnancy?

Animal studies at up to 25x human dose showed no evidence of harm. No adequate controlled studies in pregnant women. Use only if clearly needed.

What are the important warnings for Cefazolin?

Risk of hypersensitivity reactions, especially in penicillin-sensitive patients (cross-reactivity up to 10%). Pseudomembranous colitis possible. Seizures may occur with high doses in renal impairment. Contraindicated in patients with known allergy to cephalosporin group of antibiotics.

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Medical Disclaimer

This drug information is for educational purposes only and should not replace professional medical advice. Drug information is sourced from the FDA National Drug Code Directory and Structured Product Labeling. Always consult with a healthcare provider before starting, stopping, or changing any medication.