Cefaxone 500mg Inj.

Side Effects of Cefaxone 500mg Inj.

Superinfection; anaphylaxis; diarrhoea; local reactions; blood dyscrasias; rash, fever, pruritus; elevated transaminases and alkaline phosphatase; leucopenia, neutropenia. Potentially Fatal: Pseudomembranous colitis; nephrotoxicity.

Drug Interactions

Disulfiram-like reaction with alcohol. Potentially Fatal: Nephrotoxicity with aminoglycosides and furosemide.

Contraindications

Hypersensitivity to cephalosporins; hyperbilirubinaemic neonates. Do not use calcium or calcium-containing solutions or products with or within 48 hr of ceftriaxone administration due to risk of calcium-ceftriaxone precipitate formation.

Mechanism of Action

Ceftriaxone binds to one or more of the penicillin-binding proteins (PBPs) which inhibits the final transpeptidation step of peptidoglycan synthesis in bacterial cell wall, thus inhibiting biosynthesis and arresting cell wall assembly resulting in bacterial cell death. Absorption: Peak plasma concentrations after 2 hr (IM). Distribution: Distributed widely into body tissues and fluids; CSF (therapeutic concentrations). Crosses the placenta and enters breast milk; bile (high concentrations). Protein-binding: 85-95%. Excretion: Via the urine (40-65% as unchanged); via the bile to the faeces (remainder as unchanged and microbiologically inactive compounds); 6-9 hr (elimination half-life).

Special Precautions

History of penicillin allergy; severe renal impairment; pregnancy and lactation; superinfection.

How to Use

Take orally with food and water, as directed by your physician.

How to Store

Keep in a cool, dry place away from sunlight and moisture.

Safety Concerns

• Alcohol: Avoid during treatment.
• Breastfeeding: Not recommended.
• Pregnancy: Contraindicated.
• Liver/Kidney: Use with caution.

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