Nurse preparing Ceftriaxone 1g injection with syringe, vial, and medical tray in a hospital setting.

Introduction

Ceftriaxone is a third-generation cephalosporin antibiotic widely used to treat various bacterial infections. Known for its broad-spectrum activity, it is effective against Gram-positive and Gram-negative bacteria. This guide covers everything about Ceftriaxone, including its mechanism of action, indications, contraindications, side effects, nursing responsibilities, and patient education tips.


Feature Description
Generic Name Ceftriaxone
Trade Names Rocephin, Oframax
Class/Action Third-generation cephalosporin / Inhibits bacterial cell wall synthesis
Route/Dosage IV, IM (1-2g daily or as prescribed)
High Alert NO
Indications Bacterial infections (meningitis, pneumonia, sepsis, gonorrhea, Lyme disease)
Mechanism of Action Binds to penicillin-binding proteins → disrupts bacterial cell wall synthesis → bactericidal effect
Contraindications Hypersensitivity to cephalosporins, severe penicillin allergy, neonates with hyperbilirubinemia
Adverse Reactions Diarrhea, rash, pain at injection site, pseudomembranous colitis, elevated liver enzymes
Nursing Implications Monitor for allergic reactions, assess renal function, avoid alcohol (disulfiram-like reaction)
Patient Education Complete full course, report diarrhea, avoid alcohol, watch for allergic reactions
Notes for Nurses Reconstitute properly (check compatibility), monitor CBC & liver function, IM injection may cause pain

1. Generic & Trade Names

  • Generic Name: Ceftriaxone

  • Trade Names: Rocephin, Oframax

2. Class & Mechanism of Action

  • Class: Third-generation cephalosporin (beta-lactam antibiotic)

  • Action:

    • Binds to penicillin-binding proteins (PBPs) → disrupts bacterial cell wall synthesis → leads to bactericidal effect.

    • Effective against Gram-negative (E. coli, Klebsiella, Salmonella) and some Gram-positive (S. pneumoniae, S. aureus) bacteria.

3. Route & Dosage

  • Routes: IV, IM

  • Dosage:

    • Adults: 1-2g once daily (varies based on infection severity)

    • Children: 50-100mg/kg/day (max 4g/day)

    • Meningitis: Higher doses (up to 4g/day)

4. High Alert Medication?

  • No, but requires careful monitoring in patients with penicillin allergies.

5. Indications

  • Severe infections: Meningitis, sepsis, pneumonia

  • STIs: Gonorrhea (often combined with azithromycin)

  • Lyme disease, intra-abdominal infections, surgical prophylaxis

6. Contraindications

  • Hypersensitivity to cephalosporins/penicillins

  • Neonates with hyperbilirubinemia (risk of kernicterus)

  • Calcium-containing solutions (risk of precipitation in neonates)

7. Adverse Reactions & Side Effects

  • Common: Diarrhea, nausea, rash, pain at injection site

  • Serious:

    • C. difficile infection (pseudomembranous colitis)

    • Allergic reactions (anaphylaxis, Stevens-Johnson syndrome)

    • Liver enzyme elevation, gall bladder sludge

8. Nursing Implications

  • Before administration:

    • Check for penicillin/cephalosporin allergies.

    • Assess renal function (dose adjustment needed in renal impairment).

  • During administration:

    • IV: Infuse over 30 mins (avoid rapid infusion).

    • IM: Mix with lidocaine to reduce pain.

  • Monitoring:

    • Watch for allergic reactions, diarrhea (C. diff risk), liver function tests.

9. Patient Education

  • Complete the full course (even if symptoms improve).

  • Report severe diarrhea, rash, or breathing difficulties.

  • Avoid alcohol (risk of disulfiram-like reaction).

10. Special Notes for Nurses

  • Reconstitution: Follow guidelines (varies for IV/IM use).

  • Compatibility: Do NOT mix with calcium-containing solutions in neonates.

  • Storage: Stable for 24 hrs at room temp, 10 days if refrigerated.

Conclusion

Ceftriaxone is a versatile, broad-spectrum antibiotic essential in treating severe bacterial infections. Nurses must ensure proper administration, monitor for adverse effects, and educate patients on compliance and side effect recognition.